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October, 1803. -«0>»<00- JOHN LOVELL, PRINTER, ST. NICHOLAS STREET. • . 1863. aa^ta^sfe: ,r If- ^ I ) LEEDS MINING AND SMELTING 'COMPANY. Tr'- I 111 1 IjrTHODTrCTORT REMARKS, The recent extraordinary dise&veries of mineral wealth oxtendmg ^ver large tracts ef country m Basterja Canada, have already es- tablished its character as a great mining region. Of alJ the dig- . *ricts hitherto explored in this province, none hold a higher place, or afford promise of a more ample return for the judicious investaaent of cai)ital, than that of Leeds in Megantic County, where the cele- , bratcd Harvey Hill Mine is situated. The concurrent testimony of all scientific and practical visitors, together with the results of actual and extensive operations at that mine and on the adjacent lands, have established the fact that this is, par excellence^ the copper mining region of Eastern Canada. The peculiar value of the cupriferous deposits in this region con* Bists in the fact that their form and mode of occurrence render their extraction a much less precarious and uncertain adventure than most mining operations. The ores are disseminated in thick beds interstratified with the slate rocks; these beds have been traced, both in depth and along their outcrop over a great extent of country, and are found to be extremely regular and persistent ; while at the same time their metallic produce is sufficient to yield an ample profit upon their extraction. Numerous rich bunches of ore are found associated with the beds ; at once attesting the highly mineralized character of the rocks, and adding largely, .by their incidental extraction, to the productiveness of the mines. ' — j^.. ,.j... . .^. ,.., .^...itfu ,}j ixiO i-iccQs iTiiiiiiig uiiu omeitmg Uom- pany is, as wiU be seen by the accompanying plans, in the imme- diate vicinity of the Harvey Hill Mine ; and the same cupriferous betl^ which now form the object of mining operations at that place haver been proved to underlie, at a very njoderate depth, some of the lots- in question, while other vein* and beds' of apparently equal value have been found at several points on this company's property. The value of this property may therefore fairly be inferred from the results obtained in working on Harvey Hill, and from the opin- ions expressed by eminent scientific men with reference to the condition and prospects of that undertaking. These results and opinions are fully set forth in the following pages, which embody also reports, by competent authorities, upon the property now more immediately brought under notice. It will be observed that Mr, Herbert WiUiams, the superintendent of Harvey Hill Mine, has expressed a highly favourable opinion of some of the lots acquired by the present company, whose property is both more extensive and better supplied witli water ihm. tiiat of the Harvey Hill Com- pany^ » '*. '.. EEPOETS ON THE PROPERTY OF THE LEEDS MINING AND SMELTING COMPANY. AND ON THE HARVEY HILL MIJSTE. REPORTS OF MR. HERBERT WILLIAMS. Leeds, llih December, 1862, Gentlemen,— I should have advised you ere this of the result of explorations on your lots numbers 13, in the 14th range, and 14, in the 13th range of this township, but I was anxious to satisfy myself that the formation discovered on your lots corresponded with that of Harvey Hill. From the works since carried on at Harvey HiU, I believe such to be the case, and have accordingly laid them down on the accompanying sketch,* by which you will perceive that your lot ISTo. 14, in the 13th range, is underlaid by both the mineral bands discovered at Harvey Hill ; hence, I regard it as a valuable property, and weU worthy the attention of capitar lists. Your obedient Servant, Herbert Williams. Leeds, 2%th July, 1863. Gentlemen,— Having at your request made a survey and ex" amination of lot No. 16, in the 14th range of Leeds, I now beg to lay before you the following report on same. - The run of the ore-bearing beds, as shewn on the plan accompany these reports, is given on the authority of Mr. Williams, 6 This property abuts the Harvey Hill Mining lot, and has a super- ficial area of about 200 acres. A few exploring trenches were macie upon it a few years ago by its former proprietor; and in thesef vitreous, variegated and yellow sulphurets of copper were discovered in lenticular quartz courses, similar to the numerous outcroppingi^ discovered at Har-^ vey Hill. The explorations and discoveries at Harvey Hill have very con- siderably enhanced the prospective value of this lot, as there can be little doubt but it carries under its entire area the valuable ore bearing schists of Harvey Hill, which have been fully and carefully described after actual survey by eminent scientific men, in the reports on same recently published at Boston, and to which I beg to refer you for the valuable details furnished vfiih regai d to it. Yours ce^ectfuljy, Hbrbbrt Williams. .« t REPORT OF MR. CHARLES ROBB, MINIITG ENGINEER. 53 St. Prancois Xavibr SniEEr, Montreal, 12th January^ 1863. Gentlemen,— Agreeably to your request I beg \x> submit the following report on your mining lots in the iwwnship of Leeds, to- gether with a map showing the geographical position of this mining district, and a plan of the various lots comprised in your property, exhibiting their relation to the Harvey Hill Mine, and adjacent property acquired by that company. This plan also shews the run of the copper4)earing beds through the property. I have visited and minutely examined these mines, and made reconnaissance of the surrounding country ; and the details here- with given are partly the result of my own observations, and partly given on the authority of Mr. Herbert Williams, the able manager of the Harvey Hill Mine, who has superintended surface explora- tions on some of your lots .,i.. -4. ■*» % ,' t '^1 The property owned by you consists of the following lots and parts of lots, viz. : 1 . Lot Noi 16 in the 14th range, 200 acres* 2. « 18 " 14th " 200 " 8. J •< 17 " 14th « 100 " 4. i ** 15 " 15th ** 100 " 6. j *< 13 ** 14th " 100 " 6. i •« 14 " 13th " 100 " Comprising in all 800 acres. These lots are indicated in the plan by the red shading, while the property of the Harvey Hill Co. is denoted by blue boundary lines. The lots owned by you are freehold property with the ex- ception of the two last enumerated, which are held under a perpe- tual mmeral lease exempt from all royalty or dues. The value of these lots for mining purposes has been proved by the extraordinary developments made in opening up the Harvey Hill Mine, and by the fact that the same metalliferous formations have been ascertained to traverse your lots ; as well as by the re- sults of actual examination of the lots themselves. The geological and mineralogical indications presented on these locations are highly favourable to the production of copper ore, the prevailing rock of the country being the so-called "Nacreous Slates," belonging to what has been styled by Sir William Logan, the Quebec group of the lower Silurian system, the equivalent formation to those in which all the most valuable deposits of copper ore have been found throughout the world. The operations at Harvey Hill, together with the results of cos- teening and trenching on your lots, have revealed the existence of thick cupriferous beds interstratified with the slate rock, and con- taining ore in such quantity as to be amply available for mining purposes ; and which, on being traced in depth, have proved to increase both in the thickness of the copper-bearing bands them- selves, and in the proportion of ore disseminated in them. The slates are also traversed by numerous quartz courses, cutting the strfliiifioniann hnfli in fViA r1ifo/»fir»T> rkf fVio Ain nrxA d-^U,^ «„^ : " '•• v.... .■..» t^v^viVti vri uiiv ixx|j cciivi atiin.^;, atiti UtirryiuiT large quantities of rich copper ore, associated with chlorite, calc- 8 spar and bitter-spar, all which minerals are highly favourable to the production of copper ore. Those quartz courses, although in many cases of very great dimension^, are not found to be persis- tent either in length or depth ; nevertheless, at Harvey Hill they have yielded a very large amount of ore, and as the most valuable of them are found cutting the interstratified beds, they will be ex- posed and rendered available by the workings on the latter. The quartz courses have produced, in some instances, as much as two tons of twenty per cent, ore to a fathom, while the beds have yielded, on an average, about twelve tons of three to four per cent, ore in the rough per fathom. The ore is of the richest kind, consisting for the most part, of the purple, variegated and vitreous sulphurets of copper; and from the manner m which it is associated with the rock, it may be dressed to a high per centage with unusual facility and comparatively little loss. The ore contained in the interstratified beds on Harvey Hill is estimated by Mr. Williams to yield a profit of ^50 per day, " which at the average of 300 working days in the year amounts to $135,000, without taking into account the rich masses that will be met with in working the beds, and, which will give very large profits on the amount that may be expended in their extraction.'* The value of ore already oh^ =»,ined by working on the quartz courses is about $45,000. Quite recently Mr. Williams has discovered a considerable proportion of the valuable metal molybdenum, asso- ciated with the copper in some of the quartz courses ; and gold has been found on this and many of the adjoining lots, which may prove to be of importance. On your lots considerable work has been done in costeens, shode- pits and other surface examinations. From the accompanying plan and the reports by Mr. WilUams, it will be seen that the prin- cipal cupriferous bed crops out at the southeast angle of two of your lots ; while the dip of the bed, which is at a very low angle, and in the direction of the declivity of the hills, will cause this bed to underlie at a very moderate depth the greater part of the area of these lots. Other beds of equal promise have been found out- eroppiag at various pomts; md the existence of the cupriferous H' & t 'r 9 J ' V 1^ quartz courses is abundantly evident from their exposure at the surface on all the lots. The combined results of all the mining operations in this locality afford the strongest grounds for believing that it contains a vast deposit of mineral wealth, and that mining operations here will prove a highly eligible investment. These important mining locations are distant from Quebec about forty-eight miles, and from the Methot Station of the Grand Trunk Railway about twenty miles. On one of the lots in question there is a creek, aflfording at all seasons an abundant supply of water for washing the ores, and of power for working the requisite dressing machinery during the greater part of the year. There is also, on all of them, an ample supply of wood for fuel, and other purposes connected with mining. The road to the Harvey Hill Mine passes within a short distance of all the lots. Your most obed' at servant, Charles Robb. RtlPORT OF MR. A. TREGONING. 18, Clarendon Road, Notting Hill, London, 8th August, 1862. William Stobart, Esq., Secretary English and Canadian Mining Co. (Limited), 30 Broad Street Buildings, London, E. C. Sir : In accordance with instructions received from you, I pro- ceeded to Canada m May last, and have carefully surveyed the mineral properties belonging to the English and Canadian Mining Company, situate about forty-eight miles south of Quebec, in the township of Leeds, County of Megantic, Canada East. The freehold property belonging to this Company in the above township is about four thousand acres, and although strong cupri- ferous mineral indications have been discovered at various points, the principal mining operations have been confined to near the summit and on the northern slope of that part of the Company's r--i- — J -.,->...^^^l AittirvV ct iiiu, \ju ijut; xj v/1 mu xuiu xvange {Viae Map.) "" ^ 10 The geological formation of this part of tlie above township i» "Talcoid Mica Slates," which from their lustre are called "Nacreou* Slates," and are of the Quebec Group, Lower Silurian. These slates are in bands, varying in color from deep to light blue, bufif, and pearly white ; they underlie to the North-west at about 20 degrees from the horizon, and some of them are thickly studded with chloritoid, and one near the ridge of the hill is much charged with steatite, and is known as the " Soapstone Bed." In these slates have been discovered some remarkable " lenti- cular masses" and « interstratified beds" of copper ores, and these ores present, with the slates in which they are embedded, geologi- cal features totally different from those of the general mining dis- tricts of Northern Europe ; but may be considered a type of an. extensive cupriferous formation peculiar to this part of Lower Canada, and which there are strong reasons for believing contains a vast deposit of mineral wealth. From the appearance of the copper ores when discovered at the surface, they were supposed to be the " outcrops" of what in depth would prove regular and well-defined lodes, as they did not coin- cide with the slates either in strike or dip ; but after being opened and yielding some considerable quantities of valuable copper ores, they were found to thin away from their centres both horizontally and vertically, and disappear, having assumed the form of lenticular masses, variable in size, and succeeding each other at irregular intervals, and principally composed of quartz, associated with rich ores and bitter spar. In their occurrence and productiveness they wHl probably bo governed by the bands of slates in which they are embedded. The probable average size of these lenticular masses is from 60 to 72 feet in length, by 80 feet in height, and at the centre from 2 to 4 feet m thickness. Many far exceed these limits, and some are much less. They are equally variable in product, as some have only yielded a few hundred-weight of ore, while others have given several tons. About 300 tons of copper ores have been raised from workings made on these massess, worth about ^6,000. Of this quantity about sixty tons, containing from 30 to 40 per cent of copper, have been obtained from the " Fann" Eliza" alone which has been discovered and worked at a depth of 30 fathoms If i t\ » < If i n from the surface, by a cross-cut from Kent's shaft. TJiis valuable discovert/ proves a singular and important feature of this enter- prise, and one greatly in its favor, namely, that the lenticulaF mass found in the deepest point has yielded the greatest quantity , o/nVA ore, and from its appearance, and the favorable geological character of the nacreous slates, there is every reason to behev© that at a greater depth these " lenticular masses" will be found tci increase in size and productiveness. In sinking Fremont's shaft to prove one of these " lenticular masses," the soapstone bed previously referred to was intersected. 90 feet from the surface, where some portion of it carries copper ore between the laminae of the rock. About 720 feet north of this bed, another band of slates has been intersected in No. 2 Grass shaft, at a depth of about 70 feet, where the ore-bearing portion of the slates is termed " interstratified bed." It is at this point about 6 feet thick, and from it 6 tons of good ore have been obtained, " dressed" and shipped. The orey portion of the bed in this shaft terminates abruptly in descending, but appears to enlarge on its westward course towards Kent's shaft (924 feet west of Grass shaft), in which the same or a similar kind of bed has also beea discovered at the 20, 24 and 80 fathom levels. A't the first level it has a thickness of 12 feet ; the upper portion near the " hanging wall" carries yellow, and the lower or that on the " foot wall," purple copper ore. At the 24 or second level, the same size and pecuHar division of the ore is observable ; an excavation of about 10 cubic fathoms has been made on the lower portion of the bed at. this point, the ore from which, after being roughly " picked over," produced 135 tons, containing three and a half per cent, of copper. At the 180 feet level, the tliickness of the bed has not as yet been ascertained. From the present appearance of this bed your superin- tendent and myself are of opinion that when it is properly opened iiie ore can be raised for about eighteen shillings per ton. * * * * In conclusion, I beg to refer to the accompanying plans, speci- mens of ores and detailed report, for further particulars, and to^ state that after a careful examination of the company's property^. both with respect to the rich lenticular masses of ore, and that occui-ring in what are termed " interstratified beds;' and also with. 12 regard to the position of the mine, climate, price of labor, fuel, ^o. and other conditions that might affect the successful working of the enterprise, I am of opinion that the undertaking is one of consider- able merit, and is worthy of a vigorous prosecution, aided by an adequate capital ; to accomplish which I would advise an engine shaft being sunk to prove in depth the " interstratified beds" and highly mineralized nacreous slates, in which the "Fanny Eliza" and other " lenticular masses" of rich copper ores have been found. This shaft should, in my opinion, be sunk so as to prove the beds and slates about 100 fathoms deeper than the lowest point already reached I remain, Sir, Your obedient Servant, A. TREGONING. EXTRACT FROM REPORT OF SIR W. E. LOGAN As published in the Geological Eeport of Canada for 1863. In Leeds the copper-bearing rocks are exposed in a great num- ber of places, and have been more carefully examined than in any other locality along this synclinal. The explorations at the Harvey Hill Mine, on the seventeenth lot of fifteenth range, now the property of the English and Canadian Mining Company, are the most extensive which have as yet been made in the eastern town- ships. The shafts, and the long adit which has been opened, afford an opportunity not elsewhere presented for studying the structure of this raining region, and it is proposed therefore to give a detailed description of this mine. The accompanying plan and sections are reduced from drawings furnished to the Survey, on a scale of one inch to a chain, by Mr. Herbert Williams, the skilful director of the Harvey Hill Mine; who has also kindly given many details to complete the description. The copper ores at this locality occur both in courses or veins, and in beds. The strata are here, for the most part, finely micaceous slates, which, from their unctuo- sity, are often called talcose, but are generally not magnesian. A bed of steatite is however met Avith. and dark banrla. annvnapbi'"'* to argillite, occur in some parts, while others are whitish or \\^h!t , IS gray m color, and contain a large amount of chloritoid disseminated* The dip of the strata appears to be from 25° to 80° W. of N., with an average mclination of from 15° to 30°. The courses are really irregular and interrupted veins, which do not coincide with the strata either in dip or strike. The bearings of eight of them are from N. to N. 20° E., while others run nearly eastward. Their underlie is generally to the westward, at from fifty to nearly ninety degrees. These veins, which appear to have filled up fissures in the slates, are more or less lenticular in shape. Some of them have been traced for as much as lOO fathoms on the surface, and are occasionally six or seven feet wide in the thickest part, thinning out however both horizontally and vertically. These veins have a gangue of quartz, occasionally mixed with calc-spar, pearl-spar and chlorite, and contain rich ores of copper ; some of them yielding the variegated and vitreous species, ai*d others copper pyrites. These are sometimes so abundant that as much as two tons of 20 per cent, ore have been obtained from a fathom. Within an area of about thirty acres, open cuttings have been made upon as many as fifteen distinct courses, and shafts have been sunk upon two others. Notwithstanding the richness of por- tion of these veins, the ore is disseminated in them in such an irre- gular and uncertain manner, that th^y are considered secondary in importance to the interstratified beds, in which the sulphurets of copper are dissemmated in the slate rock. The first of these beds has a thickness of from two to six feet. Twenty fathoms below it, occurs a bed of three inches, followed in descending by fiftet^n feet of barren slate. This separates it from another ore-bearing bed of six inches, which rests upon a stratum of soapstone or steatite, six feet in thickness. In the plans and descriptions here given, the stratum of steatite, with the two layers of copper-bearing rock, and the intervening fifteen feet, will be represented as a single band, and designated as the second. This band, characterized by the bed of steatite, can be traced for a distance of two miles along the outcrop, but is lost sight of to the eastward of Fremont's shaft. An tance of 248 fathoms, intersecting in its course the upper bod. 14 The sooond l)ed, however, was not seen in the adit, and is perhaps 'displaco^^ by some fault in the strata^ Near the place where it Baight have been looked for, a quartss course occurs. Several of these courses wore met in the adit, but they appear to have no con- nection with those at the surface, and, according to Mr. Williams, thin out both vertically and horiaontally. At about twenty fathoms from the extremity of the adit, after traversing about twelve fathoms of soft, dark bluish slate, a liglit grey band was met with, holding chloritoid, and a little copper pyrites. A rock similar to the last also occurs at the end of the adit, and contains, besides a Kttle disseminated ore, some quartz courses holding copper pyrites. The strata in this part trf the adit appear much disturbed ; and the dip varies, being m some places from 10^ to 14°, and in others from 35° to 40°. The interstratified beds contain the yellow and variegated ores, the latter generally predominating. These sulphurets are dissem- inated through the slate in small masses, often of a lenticular form, running with the bedding. They are generally thin and small, but sometime? attain from one-half to tliree-fourths of an inch in thickness, and occasionally present in section a length of six or even twelve inches. Besides plates and lenticular masses, which interlock and overlap one another, numerous small grains of ore are scattered through the beds, and the average amount of copper in the layer may be stated at from three and a half to five per cent. The copper-bearing beds are sometimes light gray and cfiiai'tzose, and have at times a chloritic aspect. In the second shaft of Morrison's adit the upper copper-bear- ing bed was met with a depth o^ fifteen f^t horns. Immediately beneath it was found a quartz course, which conmned some very rich copper ore ; while the bed itself at tliis point held scarcely a trace of copper, and could only be distinguished from the adjacent slate by its hghter color and quartzose nature. In sinking Kent's shaft, which is about 170 fathoms to the westward, the same bed is met with a depth of about twenty fathoms. It has also been iiite(r- sected by two levels or cross-cuts from the shatt, the lower at tliirty fathoms, and followed upwards for a distance of over twenty fathoms on the incline. The working of the bed is now being oan- % i (" 16 ^' tiaued up toward the shaft, as well as east and west f5poin the thirty- fathoms level, where it has been wrought for a))out twenty-five fathoms on k» strike, and for ten fathoms in the level above. In the early part of 1862, ten superficial fathoms of the rock from this apper level were broken, weighed and sampled, and were found to average 258 hundred-weight of ore yielding three and a half per cent, of copper (equal to over 1000 pounds of metal) to the fathom of ground. The ore now removed from the working at tliirty fathoms averages about five per cent, of copper. In driving the lower cross-cttt, a lenticular quartz course was met with, fr€«n which there were taken over fifty tons of rich ore, yielding forty-three per cent. It thinned out ag it approached the interatratified bed ; and on working this on the incline, it was found to be greatly im- poverished for some distance on either side of its contact with the quartz course. In di-iving east on the bed, from the thirty-fathom level, another lenticular quartz course is met with, running nearly with the dip of the bed, which last is almost destitute of copper on both sides. The course, however, which is being followed, and has a breadth of from eighteen to twenty-four inches, yields about a ton and a half of forty per cent, ore to the fathom. This, with the other two instances already mentioned, seems to show that these veins or courses have been filled with ore derived from the bed. In working this bed, masses of quartz are occasionally met with imbedded in it. These, which are probably in some cases courses running with the strata, and in others small lenticular beds, vary from a few inches to sbc or seven feet in length, and from a quarter of an inch to a foot or two in thickness. They contain, on an average, from seven to eight per cent, of copper ; while the adja- cent slate, for a thickness of five or six feet, does not contain more than five per cent. The various workings in Kent's shaft may be said to have tested the bed over an area of over 600 square fathoms ; while the extension of this same bed to the adit a dis- ^mce of 170 fathoms, and the fact that it has been traced along Hs outcrop for more than 600 fatlioms, show that much may be expected from working this copper-bearmg bed. In some courses m this working, a considerable quantity of sul- pkir^t of fflolybdenum is found, with a Uttle copper ore, in a gangue 16 of quartz and bitter-spar. Not unfrequcntly these courses hold large masses of the copper ores, which are sometimes perfectly pure and homogeneous, and at other times enclose cleavahle masses of bitter-spar, or of limpid transparent quartz, giving to the ore a por- phyritic aspect. This quartz, on examination, is found to be in regular prismatic crystals, which however have their angles rounded. In one case a mass of compact variegated copper ore was penetrated by several terminated prisms of quartz, from one-fourth to one- half an inch in diameter. All the angles of these were much rounded, and the planes of the crystals, which were in close contact with the ore, were concave, and had lost their polish ; retaining only a somewhat greasy lustre, precisely like crystals which have been exposed to the action of a solvent liquid. A thin shining, green layer, apparently of a silicate of copper, covers the surfaces of the ore in contact with the crystals. Similar specimens of quartz have been found in the vitreous copper ore of this locality, and also at the Ham mine. Fremont's shaft was sunk upon a quartz vein, which had an underlie of 75" to the eastward. After following this for forty- five feet, the underlie changed to the westward, still with the same angle ; but the shaft being continued vertically for seventy-five feet more, the second copper bed, with its underlying stratum of steatite, wasmet. The layer in contact with the steatite was excavated for five fathoms on the incline, in the course of which the vein from the surface was again met with. At the botton of the incline, a level was driven in the bed for about five fathoms ; and the copper ore being continuous throughout these distances, its presence may be said to be sho^vn over about twenty-five square fathoms of the bed. In some parts of this working, the copper ore is found in the stea- tite ; a layer of which, several inches in thickness, sometimes becomes a highly crystalline green talc, holding bitter-spar, and rich in disseminated sulphurets of copper. The shaft at G was sunk upon a quartz course, which abounded in vitreous ore. In a cross-cut from this shaft, at a depth of, ten fathoms, a second quartz course was met with. The following quantities of ore, averaging about thirty-five per cent., have within the last five years been shipped from the mine 17. . to England. The fractions of tons are here disreRarded' In 18 ->8 10 tons ; m 1859, 43 tons ; in 1860, 101 tons -in 1811 7n . and in 1802, 95 tons, e„„aning, i„ all, 322 Tns ^f '"' TZC .on to th.s, there wa. at the surface, at the close of 1862 aW 1000 tons of poor material, supposed to eontam about two' andl half per cent of copper ; besides 500 tons of material raild from the upper bed, and containing from four to five per cent, of lyZ Further partiadar, in regard to this intereaing minzng reaion rnay be oUau^uly referring to Sir William Logan's ZZZal Report of Canada for 1858, pp. 61-63. '^mogual REPORT OF PBOPESSOE GEORGE I. CHACE. rendered me valuable assistance in the examination, /hlfj thf houor to submit the following Report :— *• Loeality of the Mine.— the Harvey Hill Mine is Atn^i^A „„ ti southerly side of the Richmond and'^Quebec Raih-oad tal et hne about 20 miles from it, but, by the only roads new open thv one or th,rty-two miles. A road has been commenced an, f^" structed part of the way between the mme andTtlot's L ^auon on the railway, which, when completod wiH due h di." tance to a httle more than 20 miles. As the roads now run Z pomts on the railway nearest to the mine are Crai.' Cd ShV 15 mdesf,.m Quebec, and Becancour Statioi: iS'tm Quebec, 127 miles from Montreal, and 275 miles from PornlT Maine. Methot's MiUs is between these stations and bTa 1 f ' constructed road to it many ef the difficult hiShcZ'^ .r. J. "f ««/fo.e.-The mme was opened in 1868. .,„^.. ".c ^rucHon 01 tae Jinglish and Canadian Mining Company7 ft B I * s I . i has fjeetl worfeed since that tiiiie with aft average forde of abottt 60 hands. The ohject kej)t in tiew has been exploration leather than the taking out of ore. For the purpose of proving the lodes and beds, shafts hare been sunk at difTdrenfc jjoints on th* hill, and art adit has been catried 248 fathoms into its side. Ore to the value of f 50,000 has been takert out and marketed ; trhile the expendi- ture upon the mine, as I am informed, h«te b0en little short of '1200,000. Some 1500 tons of rough ore are now on the bank, rtady fur the dressing-house. Character of the Formation in which the Mne i$ opened.— Th^ mine is situated on the second of the three coppei^4)earing beltd which extend across the greater part of Canada East, in lines nearly parallel to the St. Lawrence. The first of these belts mcludes Acton, Wickham and Durham. The ore is here chiefly in lime- stone. The second includes, besides the Harvey Hill, the HMifax and the Sutton. The ore in this belt is found in slate. The third belt includes the Ascot, the Ham and the Garthby Mines, "the ore in this belt occurs in slate, with more or less cai-bonatfe of lime intermixed. These three belts are believed, by the Canadian geologists who have studied the rocks of this provintie most attert* tively, to be parts of three great synclinal folds of strata, substan- tially contemporaneous in origin ; and to point back to a period during which deposits of copper were in progress over a wide area. At Harvey Hill, the beds, which consist of various 'colored slates,- have an easterly and westerly bearmg, with an underlie to the north of from 16° to 30°. The bed containing the ore lies upoii the northerly slope of the hill, dipping in the same direption as the hillside, but at a greater angle. It is from four to fivfe feet in thickness. This bed is of a lighter color than the associated schists, and cati be easily recognized, eveii where it contains no (iopper. It has a pearly aspect, Which is due to the presence of mica in a fittely divided state. Although no fossils have been dis- covered in it, or in the including strata, it is believed, like th0 other copper-bearing i-bcks m CafladA, to belong to the lower division of the Silurian seriefii, Nature of th^ Or«.— The ore tionsists of the yellow and Jjurple sulphureta of copperj pritieipally the foriaer. li id &ometim^§ >- 1 :' 19 aggregated mto consiaeraW* mm,, bul ttore frequently occur,' «. th,« lam,„a,„rm«rai,« diffused through the reck. Thai .S! plan,) and whwh has been penetrated and explored from it is .f heavjly charged with ore a. to oo«tai» ,u »» average, Xulut Us whole ™a«s, 3i per cent, of copper. AUowing"!' wtl filth m dressiHTg, this rock wiU ^,ld 2.24 tons of 20 per cent ore to the cubic fathom. "' »» per cen.. Besides this cupriferous bed, there are lying beneath it Co. tuti r tl'^'^-f^^"'^^'^ copper, t/ough not in suffic el *^ *!,„ 7, P^"" ""y "V P«"9 richer, add add to the resources of the muie. 7 ""u auu In addition to these interst™tified coppei^bearbg beds, there are found m different parts of the pro,«rty, without any apparent ordi or eonneofon, detached masses of very rich ore, havi^nea^wl The central portion of the mass is sometimes several feet in tiuck- »e s As you proceed from this outward, the mass grows thinner until a the circumference it is reduced to a mere ed^e Some of these ent^ular masses »re of great si». From o!e, the Tpper edge of which showed iteelf at the surface, 100 ton. of 40 ner Int ZZlotZftr''" ""' '' ''^'- bejTeCact yielded oO tons of 40 per cent. ere. They cut the horizon for the lesTnetrirt: tf ""^'r-" '"" '"^^ "'«*»« conform mt leas neariy to the curvature or bend of the hill. The copper but little or^a fact leadmg to the supposition that it ha« been *lnd'dlThed t' '"'"r »-- - W w-at we^ ol irol'r t "" '" """ ""■'«' »"d "« undoubtedly the product of segregation. We may, therefore, well suppose that when near the cupriferous bed they have dr«;n their sZLo ore to a greater or less extent from it. Were they regda and oontmuous, they w.uld be a most productive source !t tht rich t S rrr^r ^..^l-"^^ - 'W do, irregularly 11 incid^talanlaccero.;! Z-:eXT;::^f::^^^^ I 20 supply m tho copper-bearing beds.- Such aa showed themselre^ at the surface have already been ta^en out, and have furnished most of tho ores which have thus f^r been marketed. Several be- low the surface have been reached by drifting in the cupriferous bed and have also been taken out. It is only as they are met with m this manner that they may hereafter be expected to add to the resources of the mine» Cost of raising, dressing and marketing Ore from the cupri- ferous Beds.-^It is believed that 14.00 per ton will cover the cost of bringmg the rough ore to the surface and placing it on the floor of the dresemg-house ; in this estimate ia included a due propor- tion of the expense of the drifting and exploration necessary to reacn the ore. If we add $1.75 per ton for dressing the rough . ore, and 25 cents per ton for agent's salary and contingencies, we have an aggregate expenditure upon every ton of rough ore of $6.00. Now, allowing a loss of one^fifth of the copper in'dressing, —which is not too much,—it will take seven tons of 3^ per cent, ore— the average of the bed— to produce one ton of 20 per cent. ore. This will therefore cost. $42.00. If we add $1.00 for boxes, $» 00 for transportation to the railway,-~the cost by th& roads now open,— and $6.00 for freight on the railway to Boston, we have for the entire cost of a ton of 20 per cent, ore, deHvered m the market, the sum of $5^00. The present value of oopper ore, reckoned in gold,— all these estimates are made upon a specie basis,— is $4.00 per unit. Deducting half a unit for the difference between- the dry and the wet a«say, we have $78.00 for the value of a smelter's ton of 20 per cent. ore. If we subtract from this' the cost of production, we have a net profit of $20.00 in gold, or $80.00 in currency. Oh the basis of the above estimates, if'we- suppose the daily production of the mine to be 100 tons of rough ore,— to which it is beheved it might without difficulty be brought, —yielding 14 tons of 20 per cent, ore, we have a net profit °per day of $280 in gold, or $420 in currency. By the construction of a shorter and better graded road to the railway, the cost of trans- portation might be materially reduced and the profits proportionally mcreased. ir c j Quantity/ of Ore in «^A^.— The only pwrt of thd mine at preaenit i o ., 21 "r rr^ fill r^-- , ^J-- "-r rs aU parts of tlse levek ^l I ?'"' f T "^'^ '»'''"> fr"- of the lower oZ .IT /P"™ "^*" '"^'"» "^''O"""? We. ; the. sample, were found t lL*;:r ^e^ "''^r aU,on that the bed is 4J feet in thicknee,!-„hic£^i l^r'"^ of such toi^;::^ :,J::^::'''zT2i'" ''-!"* ""-"''' «.e .in.i. of the propertfotZriilTI t:r Ch d ^ ero. ; at the .TeXt , iUon'^^ S' 'j:,t 3!'" "t quantities to be worth working MtVl^A' \ f "*'""'' dHfts e^eended f™. itrthtlte^al'; teC t:^ Sdt contain an average of .qx «o. «... -«' . - ^"^ *^ w^oie bed iH. Ihe -^r^;-;^i L7Cn ^a:^eii^„S 22 baAs we hive for forming a judgment,— ou« of the sres of 120 acres we may expect one-third, or 40 acres, to be workable, and to be a» highly charged with copper is the section lying about Kent's shaft. This, at 1,210 superficial fathoms to the acre, will givij 48,400 superficial fathoms, or 86,800 cubic fathoms of 8i per cent, ore. Multiplying by 16, and then dividing by 7, we have 82,971 tons of 20 per cent, ore, worth in the market «6,471,738 To remove this ore, with a daily production such as we have supposed, would require about twenty years. It will bo readily understood that thiR calculation i* of probabilities only. There may be, in the unexplored p- vte of the bed, much more ore, or their may be much less, than the figures would give us. Their proper and legitimate use 18 m guidmg and restraining coiyectures. Before the production of the mine can be greatly increasea, more extensive arrangements for dressing the ore must be pro- Tided. Water must also be had in greater abundance than can be obtained in its immediate neighborhood. I should recommend the purchaaeof a site for the dressing-house on the Palmer River, only U miles distant, together with the right of way to it. The erection ot the necessary structurea here, if water-power were used for crushing the ore, would probably cost about $20,000 ; if steam- power about twice that sum. A tramway would have to be con- structed between the mine and the dressing^ouse. In conclusion, permit me to say that I have visited no mine in Canada whose permanent character seems to me to be so well established, or whose value can be placed on so reliable a basis of calculation, as the Harvey Hill Mine. The copper-bearing bed in the neighborhood of Kent's shaft has proved rich m ore, and I have little doubt that It will retam the richness over a wide area. The unusual thickness of the bed (4^ feet) makes the >rm.vaJ of the ore comparatively easy and inexpensive. The % - ^ these advantages are, the distance of the mine from the .au.^j, and the difficult roads over which the ore has to be conveyed in reaching it. Iheir exact measure is given in the cost of transportation. Yours truly, J, .... GEO. I. CHACE. Brown liWV:msiTj, May 5, 1863. M PEPORT OF J. C. HOADmy. Nbw BuDjfoBD, May 6, 1868. Gentmhei.: In compliance with yuur request, I give v Mow the result of my examination of the llaryey HiU CopL. Mine, and of my calculations of its value. ^^ As the location of the mine, the extent and nature of the ei- ^»8, be fuUy described by Prof. Chace, I need enter into no ^deration of the qu«,t.ty and value of the ore, the cost of nuuinl U and senduig .t t„ ,„ket, the probable proht'per annum, 2iZ $Qt^ value Qt tho property. ^ r , u cue JrJZ'f "-^ ^'l 7'"' P™<''P»' ^l"" »f '"» ■»■'■'«. »» f»r alTed lil'" »•""»»'■«'>'"«. "J-id »bte ind talc inter- atratified with thm veins or strata of copper in the form ot purole Wd yeUow sulphurets, the whole evideX of sedimenta^ oril »nd formmg a deposit of nearly uniform depth and value. ^' iieposits m all respects similar have been cut at Halifax, at Sutr ton and at other points ; and the evidence is very strTn^ «f 1 1 bed or beds, analogous in form to coal measures, wUl be &„X extend over a wide area. •» « w Two conclu«ons will foUow from this consideration: First that deposita extending over whole townships must underlie entire tr^l beW the outcrop, i, the direction of the dip of the strata. ITw Tl.u'l^ '^'"""^ *"' superimposed formations; and, second tha the deposits mai, he upecUi ta inereau in d^th or m^. The first of these conclusions is sustained by the exploration. At the Kct shaft, an area of about one and on^uartor ZZ been explored by a gallery north and «>uth, on the dip oi^l^ 30 fathoms m length, „d by two g^leries e^t and west one at 1' SJf.!«.'^^^''5 ^*- -^ •-«*, and the l^Z^X »t!i--^ ^..,, «« «t„om« m tougtt„-aie ,fhole nearly in the forn, N ' 24 Itf'""*/.^' T"? '"»"''>»*''' M"" e=riendmg north and south, on the dip of the bed. The bed holds its character *ith great nniC of the deposit, leads irresistibly to the conclusion that it extendsT ^arL^^a— s.*^^ -*^— -•• ^.M,bre:t The quantity of land within the limits of the property, below the outcrop .s said to be about 123 acres ; and as L'dipVt bed at the lowest explorations is very Iow,-no more than six or eight measure of the bed. The depth or thickness of the bed, so far as explored, is from 4J to 6 feet; assuming the smaller depth ^ the mean thickness oHhe bed we have 148,830 superficial fathoms, th,.e quarters of flom m thickness, amountmg to 111,623 cubic fathoms. What abat^ ment snould e made from this, will be considered when d^^^ the next point, viz.:— -s^uHsmg at \riZf,tf.^"~?"'^'"^' ^''""' "^'""■J V the galleries at the Kent shaft, was fomid to yield 3J per cent, of copper which result agrees exactly with the careful and repeated asC ton (21 cwt.) of crude ore ; but in dressing the oro up to 20 per leaving 65.86 lbs of pure copper, or 329.30 lbs. of 20 ner cent ore per ton of rough ore. The weight of the crude ore'^s aboui 170 lbs. per cubic foot, equal to 36,720 lbs., or 1S.61 tons per cubic fathom The yield, therefore, of 20 per cent, ore per cubL fathom will be 2.18 tons,or 1.64 ton, per superficial fathom. It IS not to be expected that the bed wUI prove of uniform rich- ness throughout. Causes analogous to those which have resulted u. ttie segregation of the sulphurets of copper and the shale into dBt.nct strata or laminae, may have produced more extensive ab- sorption, ennching portions of the bed, or contiguous masses of rock, at the expense of the bed, or of portions of the bed It seems a safe assumption, in view of the facts, to say that one-third of the area of 148,830 superficial f»t,h„™, \^n -i... _ " ."• 25 ground, yieldinff 1.64 tons nf 90 ,x«, « x per cent, ore f 80.00 per Z ItTnl wS oT'' V^ currency, equal to about 14.00 in gold nlZ sr^.T "" Err'r.'"^.'".^- «.00perton. Agencj and contingencies' "^"I^ " " ^ ' 25 " « Totalpertonof crude ore ^— The cost of sending to Boston is stated to be :- Hauling to railway. freight to Boston ^^'^^ ^^ *«»• 6.00 « « Total per ton of 20 per cent, ore ^{^ We may therefore make the following general estimate:- 3. Ustimate of annual Profits. Product, 81,360 tons of 20 per cent, ore, at $80, $6,508,800 »^,^t)0 20 per cent., at |15 1,220,400 Total cost., " 4,707,258 Profit 11,801,542 Ji:err„:!.nn1tr*'".^*«»"- ^-^^^^ ^or raising .egularly,yieMing.ayl4't;;rf*,r;erro:;::^^^^^^ The