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Un daa symbolaa suivants apparaitra sur la dami^a imaga da chaqua microfiche, S6lon la caa: la symbols -^ signifie "A SUIVRE", le symbolo V signifie "FIN". Mapa, plafaa. charts, etc.. may be filmed at different reduction ratios. Thoae too large to be entirely included in one expoaure are filmed beginning in the upper left hand comer, left to right and top to bottom, aa many framea aa required. The following diagrama iiluatrate the method: Laa cartea. planches, tableaux, ate, pau, S/in/, PiJ-ld Shn/i >v, J±£QR O LC A a □ Smith's Shn/t TT Jiili-riij S/in/i ,''' 7ihii-A\Mnit}i .^ LAKE AVv/ }//n-cry(}, fj't/i yi]\-)',r/\- .i- r G G'"' N § X,., ^^^ .X.. REPORT ON TIIK GOLD PROPERTY oy Tin; ^m ^m'k mu\ ;^m^^ $mVm '^^ CV-' G^" D MINING COMPANY, ■■"t AN INTJIODITTIOX ON TUB CENERVL STKITCTITRE AXD GEOLOGY OF THE NOVA SCOTIA GOLD FIELDS. Br B. SILLIMAN, Jk., M. A., M. D.. PnOFESSOn of CRNKUAI. and APPLIKn IHKMISTRV, IN VALB COI.I.KMK, *C., .•<'. i NEW-YORK: «t:oH(JK K. NhiSUirr a CO., PRINTEKs! and srATlUNKKS, COK. PEARL AND MNK STRRRT3. 1864. To Bknjamin C. Brzitv, Esq. President of (he New York and Nova Scotia Gold Minine sea shore, where the coup'^rj is open, and the search is easy, by no means dimin- ishes the probabilities that continued search, in the less frequented portions of the region, will not be rewarded with new discoveries as important- as any which are now known. Such, indeed, was the discovery of the Oldham District, made by two hunters, who had heard of the association of quartz with gold, and remembered in their hunting excursions to have seen a large boulder of this mineral in a denselv wooded tract, now the centre of one of the most valuable gold districts in the Province. I GEOLOGICAL AND PHYSICAL CHARACTP]R OF THE GOLD REGION. There is no positive evidence of the geological age of the auri- ferous rocks of the Atlantic border. No trace of a fossil has yet been found in any of the slates, or associated rocks. Opinion seems to favor the belief that they belong to the Silurian age, but as yet no place has been found where the rocks next higher in the geological column, may be seen resting upon these. Dr. Daw- son, in his " Acadian Geology" (page 3-17), evidently favors the be- lief that they are probably metamorphic Silurian rocks. That the rocks arc highly altered (metamorphosed) is very evi- dent to the most careless .ob.server, as well as that they have been greatly changed from their original position of horizontal ity, as sedimentary rocks by upheavals, which have tilted them up to positions almost vertical. The same causes have also resulted in the segregation or infiltration of the sheets or layers of white and mottled quartz, which are now the gold lodes, and charged the slates with arsenical and cubical pyrites in all the mineralized baiids. The most striking physical feature of this whole region, to the eye of a geologist, next perhaps to the uptilted state of the slaty rocks, is the universal evidence of a high degree of glacial action, which has so worn down and polished the rocks, that their edj^es ,11 an unex: svliich have lore, wliere 3ans dimin- frequcnted discoveries ndeed, was inters, wlio smembered der of this ' one of the HE GOLD )f the auri- 3sil has yet I. Opinion an age, but igher in the Dr. Daw- vors the be- ?. is very evi- havc been ontality, as hem up to resulted in wliite and liarged the nineralized "ion, to the )f tlie slaty ,cial action, their edofes everywhere resemble the leaves of a book, which hps been cut with a dull knife in the binder's press, in a direction at right angles to that of the leaves. Over very considerable areas tlie glacial scouring has been so thorough, that nothing whatever is left on the rocks but the grooves and striiu, which accompany their polish. In other cases, the glacial drift is seen composed of angular, rarely round- ed, fragments of quartzite and clay rlate, embedded in a tough clay, resting on the surface of the polished rocks. This detrital matter is auriferous, but the large amount of coarse, angular frag- ments of rocks would render it very difficult to wash, even when it occurs in situations where water could be conveniently obtained for sluicing. The gold which it contains is coarse and angular, often still attached to the quartz, and showing but little evidence of long transportation. The " Boulder Lot" at Sherbrooke, hat- yielded a considerable amonnt of gold from this glacial drift, and is rewarding its owners handsomely. Probably too little attention has been given in the Province to this source of gold. The (juartz veins alone having been the chief object of attention. Everyv/here over this whole district, the eye of the observer is constantly arrested by the long lines of granitic and quartzitic boulders which have been left in trains by the ancient glaciers upon the surface of the polished rocks. These at times recall strongly the moranies of the Swiss glaciers, and rival them in the magnitude of the travelled blocks. Some of the most striking cases of this sort which I saw, were in the vicinity of Musquodo- bit Harbor, also on the flanks of the Musquodobit Mountains, and on the elevated plateau between Jeddore Bay and Ship Harbor, known as the Barrens. Here the boulders of white quartz are also very abundant. Some very conspicuous blocks of a like char- acter occur also on the hills north of Oldham, in the vicinity of Gay's Hiver. The general couivse of the stiikc of tiic rocks is cast and west. Between Hammond I'laiiis and Tangier. Jor a (listancc of nearly loo miles, this cast an.d west c(,>urse is so marked tluit it ma\' be considei'ed universal. This course is not usually over o*^ or 6° I away from the Magnetic Aferidian. and is usually south by that ((uantity. But to the east and west of the points named, the strata bend round to the sea, so that the whole system assumes very much the form of a long bow, whose arc or string is the coast line, the strata at each end losing themselves in the ocean. Conse([uently, %r a great part of the whole coast, the glacial scratches, or course of the glacial drift, has been almost at right angles to the strike of the rocks. A most conspicuous exam))le of this may be seen at the Round Tower, near Halifax, where a large surflice of the harder slates is completely denuded, and shows splendidly the v;hole phenomena of glacial action. These facts bear in a most important manner, it will be seen, upon the occurrence of the gold. They account, in fact, for THE GENERAL ABSENCE OP ALLUVIAL GOLD. If we consider for a moment the physical and geological fea- tures just described, it at once becomes evident that the great mass of loose materials which came from the scouring off of the country by glacial action, has gone into the Atlantic Ocean, where the gold is safely deposited. Sable Island, which, by ^[cKinley s map, is distant about 100 miles from the shore— is a rfand spit, 30 miles long by about half a mile wide, shaped like a bow, and consists entirely of an accumulation of loose white sands. Mr. Campbell, the Provincial Geologist, informs me that he washed gold from these sands in 1857, and that it was in very small, highly polished scales, like the fine gold of California ;\hat it came with the sands which it accompanied from the scouring off of Nova Scotia, no geologist can doubt for a moment. It follows from this view of the case, that the occurrence of extensive '' dig- gings" in Nova Scotia, is a thing not to be expected. No long Sacramento Valley has retained here the spoils of the glacial epoch ; and this fact appears to have been practically recognized from the outset, as compamtivcly few efforts have been made to obtain gold from any source but from the (piart/ veins. The .success following the washing of the sands near Lunen- burg was, liowcvcr, encouraging, and there arc doubtless places of rock. 9 til by that [imed, the n assumes ing is the le ocean. :he glacial It at right s exanijile , where a ided, and n. These upon the )gical fea- the great )ff of the lan, where cKinley's d spit, 30 bow, and lids. Mr. e washed 2rv small, i; that it During oft' It follows five '* dig- No long lal epoch ; from the )tain gold ir Lunen- plaoes of considerable extent in the numerous harbors and bays of the coast, where auriferous sands exist in remunerative abundance. The bottoms of some lakes, which can be drained, will probably famish considerable de])osits of alluvial gold ; and the same is true, no doubt, of certain river estuaries and masch lands which have hitlierto attracted too little attention ; such, probably, are the flats l)ordering on Chedabucto Bay. CHARACTERISTIC ROCKS OF THE GOLD REGION. QuARTZiTE. — The most noticeable rock in the gold regions of Nova Scotia, is a dark gray, almost black, rock, which is called by the miners " Whin," or " Whinn," a Scotch term for an igneous ^ rock, resembling trap or diorite. Tlie ro(;k to which this name is applied, in Nova Scotia, is in reality a granular quartz rock, pro- perly called (juartzite. It is a very hard, compact rock, consisting of grains of rpiart/ or sand, consolidated into au extremely firm mass. Its lines of bedding are quite distinct, and it has three very well defined planes of cleavage, (one of which is the bedding,) by which it breaks out into very regular rhombic-shaped masses, so regular often as to simulate artificial surfaces. It Is usually dark gray, often almost black in color, but on exposure weathers very nearly white, so that on the surface it presents often an al- most glaring appearance in the sunshine. It shows frequently abundant stains of iron from the decomposition of arsenical pyrites (mispickel), and yellow iron pyrites, with which it is always highly charged in the metalliferous districts. Tlie fresh cleavage surfaces of the rock often glisten as if with scales of mica, but in reality with the brilliant cleavage planes of pyrites. This rock attains an enormous thickness, and is undoubtedly the fundamental or basement rock of the region. Mr. Campbell, ill his Ecport on the Gold-Fields, made by authority of the Pro- vincial Legislature, estimates it as over a mile in thickness, and he infonns me that in the section of the railroad at Shubenacadie, he -il ^^^ measured it of that tliickness. It frequently forms one wall ^ of the gold-bearing veins. This rock, according to the section which Mr. Campbell has I 10 prepared, comes to the surface sIk times between the Atlantic coast and the northern boundary of the gold district — sa}^ thirty or forty miles. As in each case, the associated rocks accompany it, and with them the auriferous quartz, it is plain that if this stnic- ture is clearly established, as that of the district, there must be not less than twelve parallel zones at average distances, of not more than three miles from each other, in which the explorer may rea- sonably look for the occurrence of gold-bearing quartz. My ow^n explorations were not sufficiently extended to enable me to satisfy myself of the accuracy of their generaUzation, which, if true, is of the highest economic importance. Slates. — Of the accompanying slates in which the gold-bearing quartz appears, and of the quartz itself, I shall speak in sufficient detail unuer other heads. Nor is it needful to dwell, in this con- nection, on the granites of the Musquodobit range or of the eastern district. The middle districts are remarkable for the absence of mica- ceous schists and of magnesian rocks — not an example of talcose slate occurs, so far as 1 have observed, between Hammond Plains and the Tangier liiver, but to the *^ast of that point magnesian rocks make their appearance, and at Wine Harbor the gold occurs in a green magnesian rock, closely resembling serpentine or indur- ated talc. Chloitic rocks appear in the Tangier district, but they are rare compared with the argillites, which form, next to the quartzite, the predominant feature in the geology of the middle districts. MINING AND DRAINAGE OF MINES. One peculiar physical feature of this region, which strikes the observer at once, and also connected with its geological structure, is the remarkable number of small lakes. They seem to be as numerous as the little islands which dot the shores, or the countless harbors which everywhere indent them (Mi the Atlantic border. It appears that these lakes exist in conseipience, primarily, of ihc extreme compactness aiul tightness of the rock strata, which, although turned up on edge, are so tight bound as to shut le Atlantic \y thirty or ;ompany it, P this strn.c- nust be not f not more er may rea- . My own e to satisfy l" true, is of old-bearing n sufficient in this con- the eastern e of mica- of talcose ond Plains magnesian ^old occurs e or indur- 3y are rare ; quartzite, listricts. strikes the 1 structure, n to be as es, or the le Atlantic , primarily, jck strata, as to shut I 11 out almost completely the percolation of surface water. This fact has an unexpected relation to mining — in the remarkable absence of water, which is a consequence of it. In no place which I visited had the water proved, thus (a\\ a matter of sufficient mo- ment in the mines to require other aid in its removal than a few buckets daily. In one case, in Waverly, the levels are extended at the depth of 110 feet below the wat^r in Lake Thomas, which is distant but a few paces, and still the water accumulating in these mines was only one bucketful in twenty-four hours. I conversed with Capt. Opie, an intelligent Oornish-man, in charge of the rhines and mills of the English Company, and he assured me that nowhere in the Province was there a wet mine, or likely to be. There is a large clement of compensation in this fact for the hardness of the rocks, and the consequent cost of mining ; and the same quality has compensation also in the dimin- ished cost of timbering underground. Almost all the levels I have seen being strong enough to stand without timber. The drainage of some of the lakes, which are favorably situated for sluicing, will also, beyond doubt, furnish an available source of alluvial gold, as already proved, at least, in one case. ON THE GOLO-BEARIXG QUARTZ. There are two classes of quartz veins in Nova Scotia. (1.) Those wdiich cut across or intersect the stratified rocks at various angles. (2.) Those which occur parallel to the rocks, or are, in geological phrase, conformable to the strata. The first are usually more or less irregular in their course, and are seldom or never auriferous, or if so, only to a very lim'ted de- gree. Such veins are known in Nova Scotia by the local name of "Bull Veins." They consist, as flir as I have seen them, of compact white quartz, sometimes ferruginous, but not metallif- erous, and what a Cornish minor would call '' unkindly for ore." A well-known example is the "cross vein" in the Tangier Sett. The second class of quartz veins, is the one whi(!h turnishes a matrix for the gold. They are always ])arallel to the associated I 12 slaty roclis, and partake of the foldings and irregularities to which these are subject. They are of all dimensions as respects thick- ness, from a mere line or fraction of an inch, np to eight or nine ieet or more The largest whicli I have myself measured being at Hammond J'hiins, where the Mitchell Lode measures over 8 feet, and the middle lode G^ feet. As a rule, the quartz veins in Nova Scotia are not large, beingr more usually from 4 to 8 inclies, and the largest veins in thickness are not usually the richest in gold. Tiiere are two very distinct classes of quartz veins among the auriferous lodes. 'J'he lirst are of crystalline quartz, often quite white, sometimes mottled, having the gold usually in coarse visible particles, and showing a decided tendency to crystalliza- tion, both in the quartz itself, and in the associated minerals. Such are the "Negro Lode" at Tangier, :N[ontague Lode, Tay- lor's South Lode, at Waverly, and some of the lodes at Ham- mond Plains. The second class I should designate as veins of a slaty structure, the quartz being lamellar or fissile in planes parallel to the bed- ding, the faces of the lamellar being striated like the surface of the slates, the color being usually dark, sometimes blue, or bkck- ish, sometimes ferruginous, and of an oily lustre. The gold is usually disseminated moi-e finely in these veins, or lies in plates on their borders, and sometimes is quite invisible. Of this class are the "Leary Lode," " Field Lode," " Lake Lode" and "Copper's Lake Lode" at Tangier, the " Blue Lode" at Oldham, the smaller veins at Wine Harbor, and many others. It is impossible to say to wliitih class the preference should be given, although undoubtedly the first is the one which conforms most closely to the character of mineral veins in general ; but, on the other hand, some of the most pro- ductive veins in the Province belong to the latter class. An re- gards the wall rocks, between which the quartz lodes are confined, in a majority of the cases which I have myself seen, the upper, or hanging wall, is quartzite, and the lower, or foot-wall, is blue slate ; sometimes both walls are slate, but I do not find in my notes an example in which both walls were quartzite. 13 ies towliich pects thiclc- ght or nine •ed being at over 8 feet, large, being n thickness among the often quite in coarse crystalliza- i minerals. Liode, Tay- s at Hani- y structure, ihe bed- ! surface of 3, or bkick- Mie gokl is iS in plates lis class are )per's Lake ler veins at y to which 11}' the first of mineral most pro- s. Ah re- 3 confined, the upper, ill, is blue 1 my notes The associated sulpluirets, as a rule, show a tendency, in some cases, peihapsin a majority of instances, to segregate on the lower, or foot-wall sic^e of the vein. In other cases they seem to be pretty evenly disseminated through the body of the ([uartz. But ! the gold is almost invariably associated witli thesulphurets, where it is visible, and most frequently of all with the mispickel, or ar- senical pyrites, although I often saw it with zinc blende, and more rarely with galena. The '' mispickel," or arsenical pyrites, is frequently found, in ' considerable masses, on the foot wall, occurring as bunches, often- times of many pounds weight, embedded in blue slate, and, as far P: as I have observed, always auriferous. This is especially the case in the Montague vein at Lake Loon, in the Leary and Negro Lodes at Tangier, and at the " White Head" at Oldham. Sufficient at- tention has not been paid to this feature of the Nova Scotia veins, and there is good reason to believe that, in many cases, the miners have failed to take down the foot-wall slate, when it was pyritous, not being aware of its value, since, by the process of crushing and amalgamating alone, but a small portion of the gold contained in the matrix can be saved. It demands an entirely different treat- ment, which will be mentioned in its proper place. At Monta- gue, indeed, it is evident to the mostuninstructed person, that the • mispickel is auriferous, as hardly a lump of it can be broken with- y out exposing scales of the precious metal, and the detached bits of the pyrites are notunfrequently held together by gokl thread, or little veins, which are occasionally strong enough to require to be cut aptH't by a chisel. As regards the extent of the quartz lodes, and their depth, as well as the uniformity of diffusion of the gold in them, it may be said that the smaller veins are rarely, if ever, continuous for any great distance, or more than a few hundred feet. Probabi|y they never run over the intervening valleys, to re-apppar on the opposite hill- side. But, on the other hand, they are not unfrequently suc- ceeded by another series, or perhaps the same vein is now shut off, the slate walls dividing it entirely, and then, after an interval, opening again with its former appearance and thickness. The 14 larger veins are, as a '-ule, continuous for much longer distance.: — not always without foults, as at " Monfgue," where there is an otFset of 50 feet or nioi-c, (this is common also to all the smaller veins of the sett,) but the vein, as a whole, has been opened more tlian half a mile — and the more powerful veins at Hammond Plain extend probably over a mile, and those at Tangier about 1,500 feet. In depth, there is no doubt, they also extend as far as it is pro- bable they will ever be explored. As regards improvement, in depth, it may be said there are numerous examples of several small parallel veins, separated at surface by thin partings of slate, which, at a moderate depth, have been found united into one powerAd lode. No doubt, the same fluctuations will be found in depth, which are noticed in width, along the surface line, and the same changes in productiveness. There is a tendency, in particular veins, to the accumulation of gold along certain lines of structure in the vein, where the yield is much above the average ; and then the adjacent parts are comparatively poor. It has been observed that wherever a remarkable nugget was found in a vein, the adjacent portions were well nigh sterile, at a shori distance from the rich deposit. A remarkable example of this occurred in the Barrel Quartz of Laidlaw's Hill, two years ago, where a mass of the quartz vein, of perhaps two cubic feet capacity, yielded, as I was informed by an eye-witness, $4,500 in gold, and the price of the stock went up, in a few hours, from $,' to $40 ; but the adjacent portions of the quartz, for a considerable distance, proved to be quite barren. Other things being equal, those are undoubtedly the mo.st desirable jodes, in which there is a moderate amount of gold, evenly diffused in a po-.-erful body of quartz, which can be taken out at a small cost of mining, and supplied in large and steady quantities to the stamps. In illustration of this point, I will here quote a passage from a paper, on Gold Mining, by John Arthur Phillips, Esq., of London, well known, on both sides of the water, for his skill as a minmg engineer. This paper was read, May 16, 1860, before the Society of Arts, in London. Mr. P. says, (p. 424, vol. 10, of the Societijs 15 r distance.; — 3 there is an 11 the smaller opened more nmoiul Plain • about 1,500 • as it is pro- fovement, in 3s of several ngs of slate, ed into one be found in line, and the in particular of structure e ; and then en observed the adjacent om the rich n the Barrel )f the quartz , as I was ;he price of tO; but the le distance, l1, those are i a moderate '■ of quartz, nd supplied lage from a I of London, IS a mirnng the Society the /Society^ s t Journal) : " As an instance of the small yield of gold, whicl), even %. . . . . . ' ■ I in Australia, is at the present time remunerative. 1 ({uote the J following results of the Colonial and Port Philip Company. It Irnust, however, be observed that, to obtain a satisfactory prolit ifrora ores of this class, it is necessary not only that large quanti- vtios should be treated, but also that the greatest economy should Ibe observed in every department of the manipulation. %. ''The (piantity of quartz crushed by this Company, between ■^October 1st, 1860, and September 30, 1861, was 32,258 tons, from which the produce was 24,336 oz. 6 dwts., being an average of 515-2 dwts. per ton. The quantity crushed during the preceding ^ year was 21,698 tons, and the produce 17,466 oz., being r. average of 16 dwts. per ton, showing an increase in crushing 10,J'>3 tons, and on the yield of gold of 6,870 oz. over the same period of thu ' pevious year. '; "It will be perceived that the yield of gold, per ton, had ex- perienced a variation of 22 grs., equal to 5| per cent. "The total expenditure, per ton, lias been 12 shillings; in the •preceding year it was 16 shillings. ;! " The profit on the quartz crushing, for the year ending Septem- Iber 30th, was £22,958 16s. 5d." :, It appears from the report of Messrs. Garnett & Wakelle, of ;/San Francisco, (June 15, 1863,) on the Mariposa E.state that the Princeton Mine, (the best mine on that vast estate.) during three years last past furnished 62,000 tons of quartz, yielding $1,250,000, or about $20 per ton. While in the present year 160 stamps, (in 4 mills,) in 540 days' aggregate work, crushed 24,013 tons of quartz, yielding $385,000, or almost exactly $16 per ton. The best mill average 27 working days to the month; liVo ton of ore daily, equal to 744 per stamp. The prese)it averages from the principal mines on this estate are stated as follows: Princeton ores nearly thirty dollars per ton, Green Gulch, (^14, and Mount Ophir, $16 per ton. IS THK GOLD (JOXFINKD TO THE QUARTZ? While, beyond doubt, the quartz veins are the chi<;f gold-l)ear- ing rocks, it yet remains to be proved that they are the only one.s. I 16 It is commo.> to see the gold in the bbie slate adjacent the quartz, and 1 have seen a ;^()ne ot ([iiart/ite, in the Montague District, mixed with shite, which showed "sights" of gokl intlie quart/ite, and gave over an ounce to the ton, on some tons which were tried as a sample. A taU;ose shite at Wino Harbor, wliich I liave seen, is beautifully phited with gold; and McDonald Sutherland, of Oldham, informed me that he had crushed a slate from that region which yielded him over an ounce to the ton. Caution is certainly required to ascertain the truth in this matter, but from analogies of other gold districts, we ore authorized in expecting that the asso- ciated rocks will sometimes be auriferous. RB.VIARKABLK INSTAXCKS OP PROOUCTIVENKSS IN THE NOV^A SCUTIA VKINS. While the prudent adventurer will regard with superior interest the reliable average yield of auriferous veins, as the only safe basis of expectation, it is always pleasant to see the prizes which a lot- tery oilers — not forgetting the blaidcs, I took pains to collect such authentic examples as fell in my way while in Nova Scotia, the official character which is given by law to the mining records rendering it easy to do so. Two poor men at Isaac's Harbor, almost without capital, com- menced work on a quartz lode of six inches, which, at a depth of thirty feet, became two feet, and in four hundred and two days work, they obtained two hundred and forty-six ounces of gold, and had each a profit of over $2,000 for their labor. This was Claim No. 12 on the lode, and No. 13, the next one adjoining, is turning out even better; the month of November giving eight and a half ounces of gold per ton for all the quartz raised. The " Triad Co.," i'or July, from twenty-two tons, obtained one hundred and forty-five ounces, or over six and a half ounces to the ton ; and the same company in August obtained, from twenty- six tons nine hundred pounds, eighty-three ounces of gold ; for October, from tliirty-iive tons, one hundred and forty ounces. The TTattie Lode, at Wine Harbor, has vielded sixtv ounces to the ton, and sixty.six ounces from one and a quarter tons of quartz. i Or, in : about 1 tons yi (ounces At\^ r quartz, District, lart/ite, sre tried ro seen, kind, of it region crtuinly logies of he asso- ^ THE ' interest life basis oh a lot- lect suck ;otia, the records tal, corn- el epth of :vvo days of gold, This was )ining, is ng eight [. ined one )unces to 1 twenty- ^old ; for ices. )unces to ■ tons of ' Butler & Co., at Wine Harbor, for September, Irom 29 tons took 6<) ounces, and for October, from ;-}0 tons 800 lbs. took 9.') ounces. At Jiake Loon, (the Montague propeHy,) Uobinson & Co. took a nugget of gold, found in the misinckel, which weighed 22 ounces, and the stuiV from the vein has yielded from four in six ounces to the ton. A lot of 2.500 lbs. of selected quart;^, from the South Taylor Lode, in '\Vaverly, crushed by Ilulf, yielded 22 oz. of gold, while a lot of the same lode, unselectcd, yiehled 2'} oz. to the ton. At Oldham is a small vein, of about an inch or two in thick- ness, which is owned by four workmen, who have taken 60 o/.. to the ton of quartz from it. Mr. Frankfort Davis, owner of a crushing mill at Ohlham, gave me the following statement from his ollicial returns on the quartz from various lode.i in Oldham : 4 tons yielded K; oz. 5 dwt. 1 " " UO '• ;{ •• 6 " " 21 " IT " 2 " " 5 '• 12 " 14 " « «,-,'• 6 " U " " 65 " 10 " 13 " " 59 " 10 " 2 " " 9" 12 " 1 " " 3 " 8 '• 12^" " 78" — " 2 " " .S;{ '• .5 " 17i " " .57 '• — " Or, in round numbers, an average of iive ounces to the ton, on about 100 tons of quartz crushed. While, on the other hand, 442 tons yielded an aggregate of only 821 ounces, or not quite two ounces to the ton. At Wine ILirbor, a group of veins on the middle lode has yield- ed, to the present depth of 40 feet, over five ounces of gold to the ton of quartz. Mr. OConner, one of the four owners of a claim on the Mon- tague vein, informed me that a lot of the quartz from that vein, 3 ft"'' 18 estimated as 800 lbs., yifUlo.l. on dry crusliing in a hand-mortar 21 .i ounces of gold, leaving i^till all tbe small gold in the ta"" - which would probably swell llic wliole yield to 24 ounces for SOO lbs., or 00 ounces to tli.' ton of 2.000 lbs. These exan.i.les might be multiplied — as every district has its remarkable stories-but I have confined myself to a portion of the examples which came to my own knowl'Hlgo. THE GOLD f'OMMlSSlON-TKM'llE OF GOLD LANDS. By the law of the Provincial LegislMurc, the conditions of mining arc substantially as follows : The fee of the mineral lands is in the Crown, and all mines arc worked on a royalty, amounting, in the case of gold, to three per centum of the gross returns. A district having been determined to contain gold, it is declared by the Go.d Commissioner to be a Gold District within assigned limits. It is then surveyed, and laid olV into - areas," which, as the law now stands, are three- fourths of an acre each, or 150 feet on the supposed course of a vein, and ioO feet in the oLlier directicn. Any i!.«iivi(lual who has discovered a new locality of gold, be- comes, in virtue of the right of ut a less sum down.) then the Gold Com- missioner may sell to the first applicant as many "claims" or - areas" as aiv called for. the applicant paying down, for each "area," the s ,m >f t(>n dollars, which is an advance on royalty. The purchaser then becomes obligated to work the "areas'" he has purchased, to the extent of one hundred days in each year, for tacli " claim" or " area ;" but he may elect on which of any num- ber of contiguous claims on a given vein he will work, and may expend all the labor required for the whole upon that one, as in sinking a shaft, &c. He is also required to make to the Gold Commissioner a (quarterly return of the amount of labor expend- ed, and the quantity of gold obtained— neglecting to do which, he forfeits his claim, and the Gold Commissioner then has the right 10 to sell it to anotlun- purchaser. All owners of quart;: mills are also rerniirod to render olliciiil returns uncU-r oath, in a Ibrni pro- seribetl l»v law, of all ear. Tliis Keport for the year 1862 is a valuable documer.. in which the then Chief Commissioner, Samuel Creelman, Esq., gives a large, interesting and important amount of information. The Provincial law respecting the gold-field.s, wrs plainly con- ceived, in its first draft, in the natural idea, that there was to be a repetiti..n in Nova Scotia of the experiences of California and Australia, and that thousands of adventurers would flock to the -diggings," with the expectati )n of washing gold from auriferous sands. How completely different from this the actual experience in Nova Scotia has been, has already bcjn explained. I have given good physical and geological reasons why it should be so. It is plain that gold-mining in Nova Scotia, ac in California, can, as a rule, be carried on only Ijy well-organized companies with sufficient capital to make systemafie and long-sus'.ained exp'ora- tions. Er bis purpose the small - areas" (20 by 50 feet) at first laid off, were ^ und totally inadequate, and those now made of three quarters of an acre are much too small, takf i singly. It is only where many such "areas' are taken consecutively, that a sufticient stretch on a vein is obtained to auth.orizc regular mining. 20 Such, it will be seen, luis been the course adopted by all com- panies from the United States. The law has lately received im- portant modifications, ^vitlI a view to compel negligent occupants of adjoining claims to bear their part of the burthen ot keeping the vein free of water, on pain of forfeiture for neglect, after twenty days' notice. Suitable provisions are also needed to authorize the extension of levels, through the claims of intervening proprietors in depth, on eriuitable terms ; and here, no doubt, the principle ot the common law, by which an owner has right of access to his land over the land of another, will api^'y. METHODS OF DRESSlMi AND AMAL(!AMATIN(i GOLD ORES IN NOVA SCOTIA. The quartz is generally reduced by stamping mills—sometimes by Chilian mills-and is first cracked by a machine, which resem- bles Blake's Stone Breaker, preparatory to stamping. The use of lire to calcine the quartz is frequent, although not universal, and opinion is divided upon the desirableness of this treatment, not that there is any doubt of the saving of labor and time in crushing, but whether the additional cost is not more than a balance for its advantages. The best stamps arc those which have an iron rod, and revolve with the 1 liter, falling from ."iO to 120 Vows per min- ute, in batteries of four ..r six. The English mills, erected under the direction of Messrs. Phillips and Darlington, are excellent ex- amples of the best kind of non-revolving stami)s. They strike in iron mortars, with movable linirgs and soles. The shoes, which wear longest and most evenly, arc cast from the well-known Fnuiklinite iron, a variety remarkable for hardness and great strength combined. The screens vary in lineness from 40 to 80 holes°to the linear inch. Where the use of mercury in the battery is adopted, the mortar bed is heated by steam or hot water. The ..1.1 Chilian mill, an edge wheel, is still in use ; and it is said tlKit, upon the barrel .piart/. of Laidlaw Hill it has made better re- turns than the stamps, which may be very true without commend- iug eilhor system very lugiii} MS it IS cei tainlv true that very few of the mills have done as well as they should to 75 per centum of the gold which the lire assay shows to bo present. Hence the almost universal adoption, in California and Nevada, of the system of concentration bv the iron \yM\ in mercury, which is only a very highly improved and methodized arrastra mill. The one most usually adopted is •' Wheeler's pan " and agitator, or "Hepburn and Peterson's pan," which is a somewhat more <;om- plicated system than Wheeler's. These pans when properly man- aged save, it is said, on the authority of " Kustel,"' a mining en- gineer and metallurgist of great experience, not less than 95 per cent, of all the gold shown to be present by the fire assay. KoTK.— Seo his " Processes of Silver and Gold Extraction." fcraii Francisco, Cal.,1863. Svo. COMPARATIVE ADVANTAGES OF GOLD MIXING IN NOVA SCOTIA AND ELSEWHERE. In the same pnper already (juoted. Prof. Phillips speaks as fol- lows of the o-old bearing veins of Nova Scotia: "The thickness of its auriferous veins is perhaps le.ss than those of California and some other e(.uniries, but they are, generally speaking, richer, in visible gold, than the average of those I have seen in any other })art of the world. It must also be taken into consideration, that Nova Scotia possesses many ^]^c.i,)ed advantnnes over both California and Australia. Euch of these countries is situated at a great distance trom Eui-ope, and 22 can onlv be rcacl.ecl after ,. Ions and expensive passage, and, as a „.t«,al eonsequenee, .ages were, for a l<,ng '™;-«-^'"°[^ high, and provisions proportionately dear. , N-a ^™""' '^" " e,;.t;ary, is .-ithin an easy distanee both from =""1- ;" Unite.1 States ,f An.eriea. and possesses a eons.derable setU d population, ofintelligent, industrions and sober people, emtne y adapted, after a little experienee, to beeo.ne steady and efhetent mine,-s The whole of the gold-bearing portion of the 1 rov.nee, „,,„ hes within a eonvenient distance fron> the coast, winch abounds with magniflcent harbors, affording ample seennty to shipoins-, whilst wood, in large quantities, is to be everywhere proe'urcd for all descriptions of tnining ttses, and an abundant supply of water is generally to be met with for the purposes of washing and amalgamation. ^^From these circumstances, it is impossible that wages can ever reach the extravagant rates that mainly led to the failure of nearly all the aold mining enterprises of 1852, since whicl. period many of the mines have been advantageously worked, which were then abandoned on account of the enormous expenditure necessary to carrv on the operations." _ This emphatic testimony from so competent a witness as Prof. Phillips, who is familiar with t^-.e gold fields of the world, as few others have had an opportunity of becoming, leaves nothing more to be desired on this head. It will be useful to compare the average product of a man s labor in the Nova Scotia dold Mines with the similar product elsewhere The Gold Commissioners' returns enable us to do this wah an approach to accuracy. From this source I have prepai^d the following abstract of the labor and products fjr six months, ending December 31. 1803 : In July 'm men earned ^^^ ^^ '^'^'- " Aupust, 1,1.% ,^ ,, , , --A I. ii .1.5 4i " October, ''December, 747 " " ^J^^ Average per man v^f -* 23 and, as a ceecliiigly ;ia, on the e and the 3le settled eminently id effieient Province, ast, which security to everywhere abundant purposes of Assuming 27 days' labor in a month, the daily produce of the labor of one man is $1.31, not deducting the cost of crushing. The produce of one man's labor in Victona, in 1860, where 18,'?96 men produced a gold value of $1,813,989, was 31 cents per day, not deducting the cost of crushing. It is to be remembered, that systematic mining by well- organized companies is quite in its infancy in Nova Scotia, such organizations being all quite recent, and none of them as yet making returns. Tlic returns published are almost entirely from individual efibrts on a small scale. ;es can ever re of nearly eriod many 1 were then lecessary to CSS as Prof orJd, as few othing more : of a man's ilar product us to do this ave prepared six months, Bfi each. 30 " 42 " U " 8() '• 20 " I 46 THE GOLD DISTRICT AT TANGIER. As tlic Tangier district waP the gold Held earliest brought to public notice in the Province of Nova Scotia, so does it still re- main one <;(■ the most interesting in the promise ot good results to svsten.ati<-, and economical mining. The crowd of adven- tures Nvhc. peopled the hills of Tangier in ISCA and 18G2, on the course of the -old South Leads." has indeed disappeared, and the evidence of their unsystematic and ill-applied Ir.bor, novv scar, the hills with numerous gravedike pits, tilled with water, and perilous from imperfect covering. If many, in their aun sacra f.n^r., found here ,)nlv a place to bury their hopes, others, more 'fortunate, were rewarded with splendid wages for the.r personal labor. The ill-considered system of alh^tting claims, at first adoined bv the Colonial Government, in a manner conipelled the early adventures to abandon their labors, as soon as the surface water accumulated in the open pits or shallow levels, beyond the control of a single bucket or other primitive contnvance. Kven the most fortunate adventarers were soon drowned out by the ac- cumulate waters from adjacent claims, abandoned by less suc- cessful nei; abors. Nearly all of these early efforts at individua- mining are now abandoned, and the claims have since been con- solidated in large companies. The valne of the Tangier District, in the opinion of Mr. John Arthur Pnillips, of London, is thus expressed in his Report to the Nova Scotia Land and Gold Crushing and Amalgamating Com- panv, in London, 1862 : ' iniis is, at present, one of the most important mining localities in the Colonv, The workings, which I inspected here, are on a hill, a short distance from the Harbor of Tangier, extending over an area of about three-quarters of a mile in length, by about two hundred vards in width. There are at least live distinct lodes at work within this band o meralized ground, varying in thickness from live to tifteen inches. The quartz, extracted irom many of these claims, presents large quantities of visible gold, and some tons weight have been crushed and amalgamated by means of two i lro!>i often Ibrnii ei'inu: I met a ^late lissiL color 25 )iight to still re- el results ;■ udven- 18G'2, on .red, and )or, now ater, and iiri Mcra ers, more- personal , at first )elled the e surface yond the e. Even )y the ac- less suc- ndividua- been con- Mr. John :»ort to the ting Com- >■ localities , are on a iding over about two ct lodes at 11 thickness n manv of and some jaiiS of two Chilian mills, which have been erected on the spot, and have yielded from three to nine ounces of gold to the ton. There can be no doubt that the gold deposits of Tangier will prove largely and p^rr: ! -.ently valuable, provided a sufficiently ku'ge area can be secui .1 io >nable a company to work the mines in a scientific and systematic manner." SITUATION AND NUMBER OF VEINS IN THE TANGIER SETT. The auriferous veins at Tangier occupy a neck of land f;.iciiig the sea, in Tangier Harbor, and reaching from near the bridge, over the Tangier Eiver, east, as fai as the middle of Rush Lake. The distance, on the north line, is over half a mile, and including the eastern openings, on the land of the English Company, on Strawd)erry Hill, must be about a mile. Within this ;irea, there are at present explored, not less than thirty veins of gold-bearing (u.uu'tz, large and .small, varying from two feet to one inch, and continued search is constantly adding to the number. Many of the smaller veins, which are grouped together at the surface, will doubtless unite in no great depth, offering important advantages for mining. At present, attention has been bestowed chiefly on those veins which have shown a good thickness at surface, and liave proved themselves most productive in gold. OEOLOCICAL AND MIXERALOGICAL CHARACTER OP THE VEINS AT TANGIER. The rocks, ? t Tangier, strike almost due east and west, not varying, by the compass, over 5^ or 6'-' S. of E. They stand at a high angle, dipping uniformly soutli. from 10^ to SC departure I'loni the verticle. These rocks comprise, 1st. the ([uurtzite bellire.-ous z,,uc.. /^"'"f ;f J' 'yelrmicace'ous '•"■'T' '"' o nn L^or gavncts, aUUoagU garnets occur •.. bat I sa«- no ton, main c ^i g . ^^^^ ^,^^^.^_ .,^ „j, ,„„ the 1 -. ™1"=^' ' , ,^,,, ,,,, ,,e of t.o descnr- iron, or magnetic iioa. .. I , ,. „f n.^ ,ocks, and tions; those .bid. occur paraUc. to ^^'^^ intersecting ,,,,U are ti,c i^''^^"'f ''''''' I^^^Im. Tl,e latter ^rv::cge.o..^j--^^^ more rarely caibonate oi i , ^,,,,.v,Hr iron, iron sinter, ,i,„e and iron, green carbonate ot -^;^^^'^^ ' , ,„„„,„, i„ ,0 bo sal,,l,u ■ ^^^^^.^^^^^ ^,,, ,,, ,.,e„,.al gold seems to '-^ "'"=' ,,,^„,c often enclosing or m-ritc< "r mispickol, anil tnc ii"c ,..o„i^ted '^ ■ . ,l„.'c minerals. More rarely tl.e gold .» a^=ooia ea penctraung tbc,c mu e ^^_^ ^^ ^^^.^ ^_^_.^^ ^,.^^,„g .,ithgalena n.os o be econe ^ ,^. .,^^,,, ,,,„ „,i,piekel „„a the "■•' l'> ^:;^;^^.^„,.^, ,,„, ,i„,„,d be reserved for separate oecur ni sunicicnt abiimlan-i. y ^^^ treat.nem. .be amalganratn.g proee. ot n . ^ ^^. , • , -I'lic largest masses of areei. cal p\ uu.» aic ' coutam. ilic la.„c.^ erystalized and of con- U„e slate, fornung i;-; -'^^ ^^^^^^ ^,,,, ;,,,, ;, „s„ally tbe :*"■",: ^ -So,,;, often in little nuggets and pipettes in tbe '*'^"^'";,i,,; sometimes, but rarely, beautifully crjs ab l"'T ; ; :.■ a strong tendency to erystalli.afon, of - "'T ; lusut a d bi.d, colo.: It also occurs in scales and plates splend.d luetic an.U. ^^ ^^^^ ^^.^^^ ^„j_ iu tbe adjacent slate, ne,.i tue nnc o colored nicaceous s besides nr rarely, occur in sliore, as d cliromic ro deserip- rocks, and itersecting The latter isignificant eins. are yellow blende, and arbonate of , iron sinter, I souglit in :il^ believed j vrites. Tlie Aie arsenical enclosing or is associated sort, proving he mispiekel hese minerals ;il for separate the gold they } found in the d and of con- is usually the pipettes in the ifully erystal- dlization, of a ales and ))lates 10 quartz, and, as already mentioned, implanted in masses of arsenical pyrites, zinc blende, and more rarely with yellow iron pyrites and galena. Its disposition to occur at or near the line of contact between different minerals, or wherever there is a shut or change in the vein, is very manifest. It also occurs, of course, in particles too small to be seen in the solid quatz, as is constantly shown by the results of dressing. The quartz veins often preserve a strikmg similarity to the harder slaty bands as if they were metamorphic of the slates. Generally they are compact and le-s cellular tnan the gold quartz of the Appalachians, often oily looking, blue a.id . The Tiro SmOi Zo(/es\— These were so luimed because the,> were found about the time when the north lodes were being opened) and it was supposed that they wore the southernmost of all the veins in the Tangier District. They arc situated about 50 feet south of the group of nortli lodes, and ai > separated from each other at surface by ai>out 1.') I'eet of interposed rock ; but at a depth of 81 feet from surface tiiey are only 4 feet apart, owing to the fact that the underlie of the larger vein is more rapid than that of its neighbor; and it is plain they must intersect or unite 88 was lost, •scnliirets. feet led to J acoumu- .batulonecl neglected, as to refer }rystidline i being a id without loppcr ore veins, but I should iilikely to orked, al- iated with ,^0 to three here fore a iro usually is middle ; of whi(?h es, a trial, ations per- ?ause the;^ ng opened) of all the >ut 50 feet from each but at a ;, owing; to ■apid than ;t or unite in one iargcr vein at a depth of 110 feet, if the same uniform dip is maintained. The larger of this pair is from 4 to G inches thick ; the smaller, or '• little south lode," is from 2 to 3 inches only 'riicy have been traced upwards of 150O feet in Icngtii. Numer- ous shafts have been sunk on them by the early explorers, and to this day several of these have continued to be worked upon adjacent properties They vary in yrites. This vein is, in many respects, the most remarkable one in this district. It is highly crystalline, being the type of the lirst class of auriferous veins, and carries with it a large number of well crys- tallized minerals. It has always yielded the showiest specimens of crystallized gold which have been obtained, some of which have had a gold value of $100 and upwards. Its associated minerals are calc-spar— rarely found elsewhere in these veins. Carbonate of iron, yellow and white iron pyrites, sometimes very beautifully crystallized, mispickel and yellow copper ; it has, in fact, more the »een done I by th(jse I surface,) I (.k'ptli ot I. It hiis •ccup3^ the d have re- present or- 'e fund foi" the proper ides on the it of labor interest as famiharly it causes of ut oneliun- inches to 00 feet, re ■in, as there over half a rk blue soft Lvy bedded ). i one in this first class of f well erys- pccimens of which have minerals are Carbonate of beautifully ct, more the 35 aspect of a metalliferous vein than any other 1 examined in this district. The gold it contains appears to be generally coarse — or visible gold, which, it would seem, has been separated at the expense of the mass of the quartz, since the returns from stamping are not as large as the showy character of the specimens would lead us to expect. A reference to the accompanying plan will show that six shafts have been svmk on the course of this lode, to various depths, from 25 to (>0 feet. From three of those— the Main shaft, Smith's shaft, and Barnes's shaft— drifts have been commenced, and are being ex- tern led east and Avest, to open the mines for stoping. The west shaft, at the time of my visit, was not yet quite down to the ten fathom level. The location of some of these shafts illustrates the evil consequences of the bad system of small allotments, lead- ing to a great waste of capital and labor by compelling adjacent owners to sink on their own land, in place of adopting a system of consolidation, with a view to extended and deep explorations. This remark applies with even more force to the Leary vein in which shafts were, by this system, crowded together in the most absurd manner. But little stoping lias yet been done in the Negro vein, the ten fath(mi level not being yet driven through. In the whim shaft T witnessed the eonnnencement of stoping (overhand) early in De- cember, and measured a piece of ground 12 by 8 feet, which four men had broken down in three and a half days' time, at a total cost of $1-2.60. The ground broken was four feet wide, of which the vein measured not quite one loot; at twelve cubic feet to the ton, the amount of pi'oduct was not far Irom 8 tons— call it (j tons, and the ore would cost $2 per ton for mining. It could be rontracted for at that price beyond doubt. This level, on the 6th (,f December, was driven , feet east and 90 feet west. At the west end the lode was split by a mass of slate, and at th.e east end it was evidently pinched by one of those rolls ..r folds already de- scribed. The evidence of this folded structure was i-lainly visibl<> in the lode at other points. I advised the mining captain to send 36 up the adjacent .late vvlnrever it Nvas seen to carry arsenical or other pvrites, or to be eut by thread veins of quartz; since then it is ahnost certain to (.arry coarse gold at the lines of contact, or fine gold in the pyrites. ,„ . .1 When the 10-fathom level is extended from "Barnes to the " Wesf sliaft, the ground opened by it for stoping will be about 1 000 feet Ion-, and will average ^0 feet high. This wdl yield by mcasure-cairing the average size of the lode, with the accom- panvino- thin shale, one foot-3,500 tons of ore stuff, or about one year's s°upply for a mill averaging 10 tons daily. Assuming the cost of mining and crushing as $4 the ton, which is probably about the fact, all contingencies considered, on a vein of tlus size, it will be seen that if the^gold yield is only one ounce, or $20 per ton, the returns will be satisfactory. As however, it is always a time-consuming operation to sink shafts and drive drifts, it is equally evident that the active prose- cution of these preparatory labors is essential to continued suc- cess that the new ground may be well in hand before the old is completely exhausted. The sinking of new shafts at proper dis- stances upon the supposed western extension of the vein is also called for to open up the ground in that direction. The whim shaft shouM tlierefore be sunk without delay to the BO-fathom level and downward. 6. The Lrar>i Xo(A^ -- This beautiful vein is situated nearly 4(0 fret south' of the " Negro," and appears to be not entirely parallel with it or with the Lake Lode which is next south of it, as niay be seen by glancing at the map. It h;)< been very much cut open l)v the surface pits of early explorers. On the east it is lost in linsii Lake, at least it has not been discovered in tliat direction, nor lias it been identified beyond the margin of Copper's Lake on the west. Although it is believed by some that it has at this point suffered a heave to the north, in which case the openings on the margin of the lake, known as the "Lake Company's Shaft," may be irpoii the Lcury. This cannot, however, be assumed, although the mineralogical character of the (luartz in tliQ two is not very un- 37 ;enical or ce then it ontat't, or s' " to the bo about ,1 yield by :ie aceom- about one miing the ! probably f til is size, or $20 per on to sink ;live prose- tinued suc- 3 the old is proper dis- vein is also The whim • BO-fathom a ted nearly lot entirely nth of it, as y ninoh cut last it is lost at direction, er's Lake on at this point nings on the Shaft," may ed, although not very un- like. Both veins belong to the 2d class or group of oily quartz, with a more or less slaty structure, and mottled with dark bl le or gray patches, with a white semi-transparent paste. The Company now own the entire length of this lode, from the mi(hlle of Rush Lake westward, as far as it is at present known to extend, (perhaps 1,500 feet,) having consolidated the numerous small claims into which it was t Hrst broken up. One ill elfect of this former divided ownership, before alluded to, maybe seen in the numerous shafts crowded within a small space, there being no less than three shafts in the space of 100 feet, and six in a space of -iOO feet. This is, however, a thing of the past; and as this Com- pany has not been put to the expense of their construction, they have derived some profit from the needless labors of their pre- decessors. This vein is characterized by its mottled aspect, due to a mix- ture of dark blue and gray (luartz, with a semi-tmnsparent colorless quartz. A laminated or slaty structure is also visible in it, the surfaces of lamination being often striated, and not unfrcquently coated with a film or plating oi iron pyrites and scales of gold. On calcining, the blue and gray quartz becomes milk white, and patches of skate imbedded in the vein become very conspicuous. The gold appears in crystalline particles, set like gems in the white (piartz, in threads and veins penetrating the quartz, an-l bindin..- it together and in thin scales, between the sheets or folds of the'slate and (quartz, and occasionally in the blue slate itseli. Besides the visible Q-old, it is well known that both the quartz and the in-rites contain invisible gold. Associated with the gold arc ,n, $80 or L several ,nd a lot le mine, ic ton of I the fol- (>old in 92.17 1);{.05 15.57 7.75 11.G3 02.03 lid Ko. 4 /em, the ton, the ). — (See , yielded 0-fathom P)()0 ions, the west l)ove the s for the vein. This was being taken down by contract, and about 100 tons were at surflice at that time, T'lie shaft Nos. 1 and 3 were sinking liy contract to ■ ipen the 20-fathom level. These works of exploration cannot be pushed forward too rapidly, as it is evident that all the new ground will be wanted as fast as it can be made ready. ^Vo sink these shafts, at least two months will be required before they can reach the 20- fathom level, and to drive the levels to a point, where stojjes can be advantageously commenced, will jn'obably require as much more time. A section of this vein, 60 by 100 feet, will contain, as- suming 8 inches as the widtliof the vein raised, aboiit 4,000 tons of ore.* As the Company expect to crush 2() tons of stuff daily, and Lave the power to crusli 40, it is easy to see how long such a sec- tion w^ould last. It is to be presumed, however, that th(>y will raise at least half the stuff required by the stamps from the Negro Lode. 7. 'T/ie Lahe Lode. — About twenty feet south of the Leary is a lode of the same general appearance and thickness as the last named. 'J'he quartz is laminated and its surface striated, its color mottled, and lustre oily. Of its value nothing is known at present. No deep shafts have been sunk upon it, 8. About twenty-live feet south of the last named is a large untried vein, measuring from two to three feet in thickness, and resembling, it is said, the " barrel cpartz"' of Waverly. This also is quite unexplored. 9. The Ferguson Lode, of the Atlantic Company, is believed to intersect the property of this Company not hir south of the last, named vein. But this supposition remains to be established. If it should prove true, as from its strength is n a vein n(>arly a foo-l » in tin.-? estimute ! call (!«' vein H inchos, because hoiuo "i' i!io foot-wall is broken with it. 40 thick, of blue and white iiuartz, very pyritous, and carrying about $21 of gold tothc ton of quartz. The pyrites have been estimated, fro.n a ti'ial bv Mr. Wm. Barnes, Mining Sui)t. of the Atlantic Companv, as ni.ic i.er cent, of the mass of the vem. The mean of two assays of the pyrites, made, under my directions, in the Shef- lield L.iboratorv, gave a value in gold of $187.04 to the ton, or $16.S;:; to the ton of ore, giving a value of $37.83 per ton to the quartz, aids, then, is one of y«>ur most valuable lodes, and de- mands immediate attention. As yet tiiis Company has done nothing vith it. It has a soft black slate as its foot-wall on the north side, and (piartzite for its hanging wall. 1 1 . Other T aiisSoi included in the foregoing enumeration are several veins, occupying the ground between the Xegro and the Leary, the position of some of which is indicated on the map, but of which nothing is known at present. 12. Tlte Copper's LaU Alluvkd Gold.— "We drainage of Copper's Lake was expected, by the adventurers who undertook it, to ex- pose to view an exciting accumulation of nuggets. Disappointed in this, and llnding only a mass of vegetable matter and mud, covering a stratum of glacial drift and tough clay, after some unsuccessful search for the expected wealtli, the Company aban- doned their enterprise, and one-half of Copper's Lake now forms part of the ].roperty of this Company, its total area was only fourteen acres. That its bottom contains gold is certain ; but to what extent remains to be proved. On sinking pits anywhere on its surface to the under-clay, and wasldng the dirt, gold is found in small unrounded nuggets, just such as are seen in the quartz, quite rough and free from any signs of mechanical action. Ac- companying it is the hlaeh sand, so characteristic of gold-washings. The magnet piclcs up more than half of the sand accompanying the gold, and the remainder (after the magnetic sand is removed) consists of ilraenite or titanic iron, epidote, garnets, &c,^ As the waters of Tangier Eiver arc at a sufficient elevation, within a mile of this lake, t"^^ flow to the spot by a (hime, it is probable that the joint owners of this lake-bottom may Jind it advantageous g about i mated, ?Ltl antic neari of lie Shef- toii, or n to tlie and de- ls done .1 on the ition are and the he map, Cop])cr's t, to ex- ppoiiited id mud, ter some ny aban- )\\' forms was only 1 ; but to where on is found e quartz, on. Ac- A'ashings. npanying removed) As the lin a mile table that antageous -41 to adopt the Californian method of sluicing this spot, running the waste into Rusli Lake, if, as is prol>al)le, the fall is sulficient to give a proper slope to the sluice. As the course of the glacial cui-rent has been such as to deposit a part of its burthen in the bed of this lake, and several auriferous veins are known to exist to the north of it, there is certainly good reason to suppose that al- luvial gokl may be found there in remunerative quantity. The o-eneral absence of this source of gold in Nova Scotia, and its reason, has already been considered in a former part of this report. The remarkable discovery of nuggets, by the roadside, in lliis neighborhood, last summer, already described, should be a warn- inu- not to overlook this oourceof gold, mined to hand by nature's forces during the glacial period, whose traces are so evidently now on the surface of all the rock.^: of this region. The Adit— An adit has been driven from a point indicated on the map, near the Leary Lode, to intersect the Negro, near the wbim shaft. This important piece of work was, on the 1st of December, within 29 feet of the Negro Lode, making it about 280 feet in length, It is proposed to put a tram-way in this adit, and deliver the stuff at the kilns and stamping mill without animal power. The or(> from the Leary Load will take the same course. By extending this adit about 200 feet further north, it will inter- sect the group of veins before mentioned, and at the same time explore a bolt of unknown ground. But, perhaps, tlie most im- portant service this adit can perform will be the drainage of the mines. Tt has been already remarked that the strata of this region arc so close that, when the surface water is disposed of, .there proves to be so little water in depth, it is doubtful if there will be nee.l of pumping machinery for its removal. The adit provides ■L drain for the surface water, all of which,'by simple contrivances, well known to miners, can be discharged from this pv.t, thus re- lievinc- the lower levels completely of this j^reat source of annoy- ance. 6 42 SUMMARY OF UKDERG ROUND EXPLORAl'ION. T fnul from my notes that, on the first of Decembdr, the follow- ing work had been done, umlergroimd, in developing the property of this Company, chiefly upon the Negro and Leary Lodes : Aggregate depth of shuft3, sunk on the Negro Lode, 292 ft. 15 in. ,i '. " » " Lcary Lode, l'J9 ft. 3 in. " length of levels driven " Negro Lode, 37;") ft. 4 in. a a " '' " Lcary Lode, not mcasu'd. T-ei)gth of adit '-^'^^ ft- Shafts 1 and 'i, (Munn and Whim.) on the Leary, are to be sunk immediately to tlie twenty-fathom level, and united by driving at that depth, it appears, from this statement, that the quantity of ground open for stoping in the Negro Vein was, on the 1st of December, much greater than that in the Leary Lode : much more o'l'ound having been removed from the Leary o.bove the ten-fathom level than from the Negro, as may be seen by a glance at the plan. To this summary should be added numerous surface pits, mostly the work of the early adventurers, by means of which much kuow- ledrre has been obtained of the position and character of the several veins. SURFACE IMPROVEMENTS. 1. Tram Boads. — A well-considered system of tram-roads has been constructed to communicate from the adit and the shafts, on the Leary A^ein, with the kilns for calcining the ore. By this means much manual labor and animal power is saved, and the expense of handling the stuff" reduced to a minimum. TJie wis- dom of sucli dispositions is evident when we remember how large an item labor is in the cost of mining and dressing ores. The o-rade of the tram-road is such as to deliver the ore at the head of the kilns which are thus filled by gravity. 2. The Kilnfi. — There are Wo kilns constructed of (piartzite, and calculated to hold 25 or 80 tons each. It requires three days to fill, fire and discharge a kiln of 25 tons capacity. If, therefore, 48 follow- roperty )e sunk .ving at mtity of e 1st of ch more :-fatliom } at the ;, mostl}'' :li kuow- 3 several 3ads has hafts, on By this , and the ^rJie wis- 10 w large es. The 3 head of (|uartzite, lirec days therefore, 20 tons of stuft' per day is to be stamped and dressed, four kilns of 30 tons each will be required to maintain a constant operation. Ft remains, however, to be determined by experiment whether it is best to calcine all the ore taken to the crushers. Undoubtedly the hard white (piartz destitute of pyrites and of visible gold, should be calcined; and so far as tlie facility of crushing is con- cerned, there can be no question l)ut tliat it is greatly promoted by calcination. But the expense of fuel aiited to this purpose. The house has capacity for two such buddies ; one only has. 46 liovvevor, as yet, been constructed. The waste, after passino- tlic biukllo, is (lis(;har;/C(l into Rusli Lake. 1\ik..'U as a whole, the crusliin^r and amalgamating mill of the Company is a well-considered establishment, capable now of doing good work, and easily modified to meet the results of a more mature experience, without interruption of regular work. ON THK TRKATMKN'I' OF TIIK ORKS. It is obvious, from what has been said, that the treatment of gold-bearing cpiartz carrying pyrites, in such a manner as to ob- tain from it the largest possible amount of the gold it contains, is by no means an easy problem. The gold in fpiartz is often so very fine as to bo wdiolly invisible, even under a powerful micro- scope; in fact it is chemicalhj Jhe, and may be compared to the condition in which this metal is precipitated from its solution by sulphate of iron. In this condition it will float upon water, and even when much coarser than this, as any one may satisfy himself by the simple experiment of stirring a leaf of gold-beater's gold n\ a glass of water. To bring gold in this state into contact with quicksilver, without loss of gold, requires peculiar and very nice mechanical arrangements. Then the coarse gold is sometimes •' rusty," as the miners express it, that is, covered exteriorly l»y a film of oxide of iron, or of some other substance which cuts off contact with the mercurj^, and so the gold escapes, not being amal- gamated. The gold wdiich is associated in'th pjrites is obtained by the usual mechanical means, only very imperfectly; great loss of mercury follows the attempt at amalgamation, wdien the metal is associated with arsenical pyrites, and it is yet an unsettled problem how iKst to save all the gold in this association. In Califcn-nia, according to the statement of Kustel, the loss of gold by the amalgamation in battery with a copper-plated plat- form, with ores containing heavy gold, is from ;i5 to 40 per centum of the quantity rhown to exist by the tire assay ; but light gold gives a less favorable result. -A great many fine parti- cles of amalgam adhere together, including also manganese scum. 47 i'm^ the I of the )rii<)iiig ! mature mciit ol' s to ob- ^ontain^, often Fo 1 micro- i to the Lition by iter, .11 ul ' liimself 5 gold in [let "W'.tli erv nice metimea rly by a cuts oil' ng; amal- by tlie t loss of metal is problem ic loss of ited plat- ) 40 per ;ay ; but iiiu parti- jse scum, if present, and form small. s|iongy, blackish lumps, which are so light as to float, and on account of being coated with for- eign matters, will not unite with the accumulated amalgam. Of this amalgam but very little can be saved ; it ilouts over blankets, copper }ilates or rii)ples.""" Of amalgamation on coj)per-])lated platforms, troughs and other CO] )pcr contrivances, this author remarks they arc '' very imperfect, and mostly abandoned," in California and Nevada. Certainly the experience of California may be regarded as a safe guide in gold dre?:nng. ^JMici'c every other contrivance for amalgamation has giv-i way to the "iron pans," which is a highly improved arnisU;, amalgamation, and at i.resent the most l)erfect gold amalgamation known. Ilie two conditions are fric- tion and contact M'ith ([uicksilver, at a high tem])erature. These are met in a highly satisfactory manner by '• Wheeler's pans," the gold b(>ing extracted by them as close as ninety-five per cent, of the fii-e assay. The loss of gold in the pans does not resul from de- fecti^'e amalgamation, Init from improper discharge. This is not the place to describe, in detail, the constru('tion of this apparatus. My duty is dischaiged by indicating the best metliods to bo adopted for saving the gold in j-our veins. That none of the methods now in use in Nova Scotia a})proach the perfection at- banable, is clear to anv one at all acquainted with ore dressin"- Kvery process which I witnessed there was faulty in this particu- Uir, especially that it provided no mear? for the ccmlinued and in- irintate contact of the rjold ivith quiclvsilver ; too much water, and too large an amount of quicksilver were also employed for successful and economical amalgamation. The " i-on pan" process, as stated is only a highly improved arrastra amalgamation. The })roper use of the •' arrastra" (and of the Chilian mill also) requires use of onl_y a limited quantity of watci-, not more than is needed to convert the . e into a paste, or thick mud, and the quicksilver ^ " Nevada and California Processes of Sih-or and (Jold Extraction," kc, by (ii-iDo KrsTEL, Mining-Engineer and Metallurgist. Illustrated by accurate en- gravings. San Francisco : F. I). Carlton, 1863, 8vo, pp. 327. 48 is added, after tlie ore has been brought to this condition, by strain- ino- through a dry cloth over the paste, one or two ounces of quick- silver for a charge of six and eight hundred pounds of ore. If free gold is found after tlie amalgamation has been some time in process, a little more mercury is added. After four or five hours the pulp i?^ diluted with water, and discharged. This process is ]-epeated until one hundred, or -ne hundred and fifty tons nre worked through, the (piicksilvei- ilways being added in proportion to the gold in the ore from one to one and a half ounces to each oui^ce of gold in the quartz. It is essential that the amalgam be dry, or else a loss of quicksilver, and an imperfect amalgamation, follows. How unlike this is to the practice in Nova Scotia, any one will see who has witnessed the usual process there. From what has been said, it will appear that unless ores are very i)yritous, and especially unless the quantity of arsenical pyrites is very great, the California metliod will obviate the use of any process of concentration by buddies or otherwise, and the "tnilings" may be safely neglected. Such, 1 understand, is the latest C ifornia experience in quartz mining. The gold in the pyrites is mechanically but very minutely divided, and, unless it is brought into forcible contact with the mercury hy friction, will not amalgamate. Even those ores which contain gold in sucli a condition that it cannot be liberated by gihiding, can be treated in the pans after roasting. The process of separation of gold by chlorine, known as '• Plattner's Process," is also very successful upon these sulphurets, and arseniurets which require to be roasted before treatment. It is a process wliich requires moderate chemical skill, Init gives re- sults even closer than those obtained by the pan process, especially if all coarse gold is lirst removed by mechanical means. None of a our ores appear to me to rc([uire this treatment, and it is therefore needless to give its details. VALUE OF THE PYRITES IN THE TANGIER ORES. The average quantity of pyrites in yoar ores is, to a good de- gree, a matter' of eon jecturc, but it lias been variously estimated 49 from 8 to 12 per cent. The following assays will show the im- portance of paying attention to its economical working. No. 1. Assay of a sample of pyrites worked from tailings at the mill of this Company, made at the U. S. Assay Office, Sept. 23. 1868, as reported by Dr. John Torrey, the Chief Assayer. See Appendix C. Gold per ton (of 2,000 lbs.) $122 13 Silver " " \ ' ' o ^,7 8124 80 No. 2. Pyrites from Lake Company's Lead, crushed at Wliiie k Esty's Mill on the Tangier River, Nov., 1863. These assays were made Jan. U, 13.')4, by 0. D. .Allen, Chief Assistan in the Sheffield Laboratoiy of Yale College. Mean of two assays trave Gold per ton of (2,000 lbs.) $IS1 04 The silver in this assay was not estimated. No. 3. Assay of pyrites from tailings of the -'Leary Lode." This assay was made Dec. 31, 1863, by Edward N. Kent, Chemist and Melter in the II. S. Assay Office in New York, and gave Gold per ton of (2,0G0 ib.s.) $03 05 The mean of the three assaj^s gives a value of (Joia per ton of (2,000 lbs.) $134 09 Assuming an average of 8 per cent, as the amount of the jn'- rites in the ore. then the gold value in the pyrites will reacli $15 20 per ton of ore. That much the greater part of this value has been hitherto completely lost there can be no doubt. Tlie importance of saving so considerable an item is self-evident. ASSAY OF TBE TANGIER GOLD. As compared with the Calii'ornia gold, the gold of Nova Scotia is veiy rich, being, indeed, unsurpassed, in fineness, by the i^'old of any region. The earliest analysis of the Trangier gold, which 1 have seen was that made by Mr. 0. C. Marsh of the Sheffield Laboratory at Yale College, in October, 1861, and published in SilUmansJournnl, [2] xxxii, 399. It is as follows : 50 Specific Gravity 18^^ CJoia 98.13 Silver 1-'^ Cor;)ei- .^^ Irra ^_^ 99.94 :Mr. Marsli says the gold lie assayed was "from a quartz vein," bat does not spceify whicli; but as, at the time of his visit, m 1861, explorations were active in the group of north and south lodes, it was probably from one of those. The United States Assay Office has lately made an assay of the gold from the '' Lcary Lode," with the following results : Before meltiii,^, 55.47 ounces ; after melting, 5,298 ounces ; fineness, vVF.f,, ; vulue of tl.e gold, $1,057 96 , for parting coinage and fine bars, $5 29 ; net value 81,052 G7. The declared value of this gold is $19.97 per ounce, troy. An assay of the gold from the Field Lode, on the Atlantic Company's land, lately made here, gives, as the mean of two assays — Uold '^7.25 Silver 2.75 Equal 10 972 .V thousandth hue, and, by the California tables, worth S-20.10 per ounce, not estimating the silver. GOLD IN DEPTH. There has been a notion long entertained, and having its origin in .so high an authority as Humboldt, that gold was always con- fined to"^ comparatively shallow depths : that quartz veins were richest at surface, and would be found comparatively barren in depth. Experience, in both California and Australia, and so far as it has gone in Nova Scotia, also, has set aside this hypothesis as untenable. T have, in the introduction, given the reasons which lead me to the opinion that just the same variations in depth will be found which have l)een observed in length on the veins and from the same causes. T^iere certainly exists no reason to fear exhaustion in any depth to which tlie mines are likely to be ex- plored. 51 •t/ vein, ; visit, ill lid south ;ay of tlie i>oaa ■"jf' • imsB, 1 (jiiil » t?5 2!) ; net oy. Atlantic n of two lia tables, ; Its origin ways con- ic'ms were barren in and so far potliesis as sons wliich depth will 3 veins and ison to fear V to be cx- FUTURE DEVELOPMENTS OP THE PROPERTY. The success of the most valuable mining property may be blasted by the adoption of a mistaken principle of management. The desire for early returns to stockholders often leads to a short- sighted system of hand-to-mouth administration, the result of which is uniformly fatal. The mine is robbed to secure a specious show of dividends, and then follows an unproductive period, in which the manager finds an empty trcasuiy and no power of new calls on the owners, or a reluctant response, ending soon in the abandonment of the enterprise. Such is sure to be the case wlienever works of exploration arc suspended. The process of extraction is easy and rapid. The remorseless jaws of the crusher devour daily, it may be ten, twenty, fifty tons of ore ; and, mucii sooner than he expects, the manager finds himself without stoping ground, and nothing before him but dreary months of sinking shafts and driving levels, in which. Init a limited force can be employed. The organization of the mine is demoralized ; the expenses of administration and of the plant continues undiminish- ed ; the mill rests idle lor want of ore, while the labor of exploration is being prosecuted. Every one who has had any familiarity with the history of mining, in America especially, will admit the truth of this picture. The cure is simple and un- filing. The work of exploration must never sloj). and rn'jsi he ahcaijs well in advance of the ivork of extraction. Another important consideration besides those alreadv named urges the adoption of this policy. It is unreasonable to expect tliat any of the veins on your property, will prove equally re- munerative in all parts. There will be some places too poor to pay for working, or the veins may be pinched olf to a narrow thread, enlarging again to perhaps more than average size at no great distance. These inequalities are of little importance, and by no means causes of discouragem.ent, if they are known to exist in advance. But, suppose the policy of temporizing to pre- vail, and such a condition as the last named to occur, discourage- ment would be unavoidable. Moreover, supposing the worst case possible, namely, the actual loss of the vein in depth, either I 52 by a fault or heave, or by actual dwindling to notliing— if the explorations are well in advance of extraction, the manager sees at once the danger before him, and, with prudent energy, com- mences timelv researches on another vein, or in a new part of the old one, and thus disaster is averted. In view of these considerations, I trust, I may be pardoned if I seem to assume the direction of the policy of your Company. The principles laid down are of universal application, and if they do not seem to apply to a given case, it must be either that the enterprise alladed to is not worth prosecution, or that those who have it in charge are incompetent to the task in hand. CONCLUSIONS, The facts and arguments presented in the foregoing Keport ap- pear to warrant the following conclusions : 1st. You have at Tangier a valuable gold property, well de- veloped, as compared with other properties in Nova Scotia, and capable, with good management, of returning satisfactory divid- ends to vour stockholders. , 2d. Of alunit HO gold-bearing veins known to exist on your property, you at present work only two. Prudence would dictate that you should soon explore some of the others, of which the most promising perhaps are the Lake Company's Lode, and the group of veins north of the Negro, which can be cut in depth by extending the adit until it intersects them. 3d. The main shafts on the Negro and Leary should be sunk uninterruptedly, and of a size adequate to work the mine in depth, providing lad. 1 H o <*, ;-> i^ o ^ vi ^ H ^ o ^ s o .*-.* ftl 0) yj Mo.vio,! unions •43i.U«!cl O "H 11 (?l • S C> TJ o i-<5J1"«-.-« = •20 c = ■■19 ei 1.-5 TO 7J f n ".o X = r-1 f— t »-< T-f ■- .2 •p\(i 1-1 »ri ir^ ^? i.-^ o o X GO 4 •20 1:5 -r i.t Ti — cc *i "-5 uo i*: T» i.^s :s X -r i, _ « ffi cc ?: ^■. ' 1 •19 •t^a : j j ; • ; ; ; j = •zo 1 1 X 'X t 1 «i4 I t I • I • n ■•19 51 !.•: « n X '-s •iAHI Cl 51 X C « I- -P ll -< 1- 1— ( — • •siioX ec-H = — "Ji = — ■ ? 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M *■* CO r- o e CO j- !- *' O 1 S '^ S i 1 1 '-' 1 1 P 1-5 "S 1 fi 1 >i 1 O ^ ^ ^ u o ■^ ■ 1 "s i 1^ ^ ! ^ i- •■« Cm O '1 ■z '^ a ca a. 2 <2 r, c-S I * ? ! ', "c "S »5 2 i- = >' J <3 i p H o H I 66 APPENDIX B. Xew York, January '2.i, It S4. Ne,. York and Xova Scotia Gold Mixing Company. Gentlemen : Agreeable to your request, the samples of gold „, fr„„, Tangier, Xova t;: : z::z^;zr''' '""-"' '*^' """ ^»"™' '» ™""^" «°^-' p- 1 . ^lixed ore containing visible gold ii,igQ2 l" 2. Pyritic " " no " " ' " " T - 3. Black '• <'...< . T> << 15 51 4. Brown " " i> 4. 5. White '• " a <. ' "^ ,.,,., „ U 63 0. Mixed " finest portion silted (j2 03 Yours respectfully, EDWARD N. KENT. Chemist, APPENDIX C. United Status Assay Office } NewYork, .V-23, 18C3.' \ New Yokk and N«A'a Scotia Gold Company. Gentlemen : Your sample of ore, left several days ago, yields gold and silver at tl.e follow- Gold per ton (2000 lbs. I «i oo i o Silver " " $122 l.S 2 67 !^124 80 Respectfully, &e.. JOHN TORRY, Assaycr. /