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Les diagrammes suivants illustrent la mAthode. errata to pelure, n 32X 1 2 3 1 2 3 4 5 6 REPORTS ON THE PROPERTY OF THE C|auMen §al)i Pining Conipang, SITUATED ON THE FAMINE RIVER, A TRIBUT\RY OF THE CHAUDII:RE RIVER, CANADA EAST. CHATJDIERE GOLD MINING COMPANY. INTRODUCTORY REMARKS. Although it haa been long known that an extensive tract of country, watered by the Chaudii^re River and its tributaries, in Canada East, produced gold in considerable abundance, it haa acquired much additional importance as a gold bearing region, from the extraordinary developments made upon it during°the course of the present year. The amount of the precious metal realized in that time by the desultory and imperfect system of mining hitherto practised, make it abundantly evident that the gold region of Canada will eventually prove as productive as that of Australia or California. The tract of land bordering on the Famine River, a large tribu- tary of the Chaudit^re, has been proved to be rich in gold, and in addition to the alluvial deposits, nnmerous quartz veins traverse this property. From the quantity of gold already found in the streams as well as over the whole of the land, there is little doubt that these veins are the source of the gold found, and will proy^ to be very rich when thoroughly developed. The Chaudiere Gold Mining Company's property consists of five thousand acres, lying on both sides of the Famine River, and giving a frontage of five miles in length on both sides, as shewn by the accompanying map. The lands are held in fee-simple, the original deeds being patents from the Crown to the present owners. The accompanying extracts from Sir Wm. Logan's Geolo-^ical Report for 1863, Dr. C. T. Jackson's Report on the Abercrombio Mmes, and Count de Rottermund's Report to the St. Lawrence Mining Company, together with fb^ opiriion° ^.r +1,^ ^, m ._ - • '• - ^ - - -^— »-J^'.'"->ll:» Vi VilV pices, iUUS- trate the mineral richness of this district, which can only be adequately developed through the agency of a Joint Stock Com- pany. The natural features of the country at this particular local- ity afford facilities for extenaive and profitable operations, which are not enjoyed at many other points in the gold region. The abun- dance of water, and numerous fails on the river which traverses the property, will yield an unlimited water power, which will be avail- able for crushing and washing the quartz, as well as for extracting the gold from the alluvial deposits by the HydrauUc process-a new method of immense importance in gold minino hoth as respecU economy of labor and increased yield of gold* The83 considerations offer the strongest inducements for the Company to enter at once upon the development of this property, which if carried out upon sound and scientific principles, cannot fail to secure an ample return upon the capital invested. Full details of this process are embodied in the accompanying Reports. EXTRACTS FROM THE OFFICIAL REPORT OF SIR WM. LOGAN, PROVINCIAL GEOLOGIST. OS TQK CIIAUDIERE GOLD FIELDS. 4 The principal facts known with regard to the geological distribu- tion of gold in Canada will be found on pages 518-520. Mention is there made of a ([uartz vein at St. Francis, on the Chaudiere ; whore small grains of native gold have been found imbedded in qrartz, together with argentiferous galena, and sulphurets of zinc aud iron, both containing gold, and with arsenical pyrites. Since writing the above pages, much larger specimens of gold have been found in quartz, about one hundrad yards from the locality just mentioned. It is probable that this and similar quartz veins, may be wrought with profit ; but the gold hitherto obtained from this region has been from the superficial deposits of clay, sand and gravel which abound there, and appear to be derived from the breaking up of the rocks that contain the gold-bearing veins. These deposits probably belong in part to the ancient glacial drift or boulder formation, and in part to newer stratified clays and gravels, which consist of the materials of this, modified and ar- ranged by the subsequent action of water. On the Magog River, about Slierbrooke, particles of gold occur in a hard-bound gravel 156 feet above the level of the St. Francis near by. On the Famine River, there is met with an extensive deposit of clay, " Te overlaid ^^ ««"'! nT«d (travel. Alonj; the banks "+' ♦^'•^ I rery^ by 6 river, a stratum of the oxyds of iron and inanganeae, in sonic parts six or eight inches thick, is seen near the top of tlie gravel, filling interstices among pebhles of the rocks of the region. Gold is found in this overlying gravel as well as in the clay beneath ; both of which deposits appear to belong to the modified drift. It is met with in similar conditions throughout the banks of stratified material on the Metgcrmot, which attain a height of fifty feet above the bed of the river. Gold also occurs still more abundantly in the recent alluvions, found in the beds and along the flats of the streams which traverse this n^LMon, and in time of floods wash down the clay and sand from their banks, depositing the heavier portions along their course. In this way the gold is often cauglit hi the fissures of the clay slates which freciuently form the underlying rock, and are rich in alluvial gold. ' The auriferous drift of Eastern Canada is spread over a wide area on the south side of the St. Lawrence, including the hill country belonging to the Notre Dame range, and extending thence south and east to the lioundary of the province. These wide limits are assigned hiasmuch as, although gold has not been everywhere found in this region, the same mineralogical characters are met with throughout ; and in its continuation southward, in Plymouth and elsewhere in Vermont, considerable quantities of gold have been obtained from the alluvial deposits. In Canada, gold has been found in the St. Francis Kivcr,from the vicinity of Melbourne to Sherbrooke, in the townships of Westbury, AVcedon and Duds- well, and on Lake St. Francis. It has also been found on the Etchemin and on the Chaudiere,and nenrly all its tributaries, from the Seigniory of St. Mary to the frontier of the state of Maine ; including the Bras, the Guillaume, the Riviere des Plantes, the Famine, the Du Loup and the Metgermet. The country people from time to time, attempt the washing of the gravel, generally with the aid of a pan, and are occasionally rewarded by the discovery" of a nugget of considerable v^lue. In the years 1851 and 1852 an experiment of this kind, on a considerable scale was tried by the Canada Gold Mining Company, in the last named seigniory, on the Riviere du Loup, near its junction with the Chaudiere. The evfiffm ndnntod for the sonaration of the irold from the cravel was ..J ^ — j^. - similar to that used in Cornwall in washing for alluvial tin, and the f " ,9 «ater for the purpose «.s obUuncd from a small »t cam adjo mng^ ctwecn the amount of the wages ami the value of the gold obtamed shou d be stated at «(i82. The average price of the labor employed was sixty cents a day. i i „» In 18f.2, about five-eighths of an acre of grave! were washed at this ,>laee, and the total amomit of gold obtained was 2,880 penny- „eiglus, valued at *2,4P(i. Of this, 307 pennyweights were m the form of tine dust mixed with the iron-san.l. A portion was also found in nuggets or rounded masses of considerable size. Hme of these weighed together 468 pennyweights, the largest bemg about 127, and the smallest about 11 pem.yweights. Portions both of native platinum and of iridosmine *ere obtamed in the wasliing, but the quantity of these was too small to ^'^f^^r'. portance. The wasldng season lasted from the twenty-fourth of May to the thirtieth of October, and the sum expended for labor was $1,888, leaving a profit of «608. A part of this expcnd.toe ,vas, however, for the construction of «-ooden eonduetors for bnng- ing the water a distance of about 900 feet from the small stream. As this work would be avaUable for several years to come, a proper allowanee made for it wonld leave a profit in the year s labor of about $680. It thus appears that from an a^re of the^avel with an average thickness of two feet, there were taken $4,323 of gold, while the expenses of labor after deducting, as above al which was not directly employed in extracting gold were $2,957 leaving a profit of $1,366. The result of a week's working at this place, under the inspection of a member of the Gcoloscal Sur«y in 1852, .,. J . .:„u „f i^a ncntivwciffhts of sold, valued at J!l^4 , 8 while the amount paid for wages to the miners during tliat time^ was $60. In a previous trial on the Tvyuflfe des Pins, a small tri- butary of the Chaudi^re, sixty bushels of the gravel from the bed of the stream were washed in a day, by means of a rocker, i>r kind of shaking table, and yielded 440 grains of gold, or about seven and one third grains to the bushel. The gold of this region is as usual alloyed with a portion of silver. The fineness of the gold dust was 871 thousandths. Another sample of gold in thin scales gave 892, and small masses 864 ; while a nugget from Vaudreuil yielded 867 thousandths of gold. The composition of the heavy black sand which is obtained in the washing of the gravel, has been noticed on page 520. It is a mixture of magnetic oxyd and peroxyd of iron with chromic and tetanic iron ores. Rolled masses of these ores, sometimes several pounds in weight, are also met with in the gravel. Small crystals of rutile were obtained in the washings ; and grains of red and pink sand, chiefly composed of grains of garnets, but including a few minute crystals having the fonn of zircon. The gold was not unfrequently incrusted with an earthy coating of black oxyd of manganese, and some specimens were white on the surface, from a coating of mercury ; which is, however, at once driven off by heat, leaving the gold of its natural color. A single well-worn and rounded mass of native copper, several ounces in weight, was feund in the gravel in this region ; and in the washings at the Riviere du Loup were large quantities of leaden shot of various sizes, probably scattered by sportsmen. Although the greater part of the gold at the Rivi(^re du Loup was extracted from the gravel on the alluvial flats by the river side, a portion was obtained by washing the material taken from the banks above. As has been before remarked, the distribution of the gold-bearing drift over the surface of the country took place before the formation of the present water courses ; and the greater richness of the gravel from their beds is to be ascribed to the fact that these rapid streams have subjected the earth to a partial washing, carrying away the lighter materials, and leaving the gold with the heavier matters behind. According to Mr. Blake, it is found in California that the sold in the alluvial deposits, which have not been subsequently disturbed by the streams, is not uni- -r 9 ■^ formly distributed, but is accumulated hero and there in quantities greater than in other places. During the first deposition of the earth and gravel, the precious metal became accumulated in depres- ■iona of the surface rock constituting what are there called j^oekeU by the miners. It would appear from the facts here given, that the quantity of gold in the valley of the ChaudiiJre is such as would be remunera- tive to skilled labor, and should encourage the outlay of capital. There is no reason for supposing that the proportion of the precious metal to bo found along the St. Francis, the Etchcmin, and their various tributaries, is less considerable than that of the Chaudi^re. What is called the hydraulic method of washing such deposits is adopted on a great scale in California, and to some extent in the States of Georgia and North Carolina. " In this method, the force of a jet of water, with great pressure, is made available both for excavating and waaliing the auriferous eartw. The water, issuing in a continuous stream, with great force, from a large hose-pipe, like that of a fire engine is directed against the base of a bank of earth and gravel, and tears it away. The bank is rapidly under- mined, the gravel is loosened, violently rolled together and cleansed from any adhering particles of gold, while the fine sand and clay are carried off by the water. In this manner hundreds of tons of earth and gravel may be removed, and all the gold which they con- tain liberated and secured, with greater ease and expedition than ten tons could be excavated and washed in the old way. All the earth and gravel of a deposit is moved, washed and carried off through long sluices by the water, leaving the gold behind. Square acres of earth on the hill sides may thus be swept away into the hollows, without the aid of a pick or shovel in excavations. Water performs all the labor, moving and washing the earth, in one opera- tion while in excavating by hand, the two processes are of necessity entirely distmct. The value of this method and the yield of gold by it, as compared with the older one, can hardly be estimated, lie water acts constantly with unifonn effect, and can be brought to bear upon almost any point, where it would be difficult for men to work. It is especially effective in a region covered by trees, where the tangled roots would greatly retard the labor of work- in such places, the stream of water washes out the earth men. ujaimia- 10 from below, and tree after tree falls before the current, any gold ■which may liave adhered to the roots being washed away. With a pressure of sixty feet, and a pipe from one and a half to two inches apq-ture, over a thousand bushels of earth can be washed out from a bank in a day. Earth which contains only one twenty- fifth part of a grain of gold, equal to one fifth of a cent hi value to the bushel, may be profitably washed by this method ; and any earth or gravel which will pay tlie expense of washing in the old way gives enormous profits by the new process. To wash success- fully in this way requires a plentiful supply of water, at an elevation of from fifty to ninety feet above the bed rock, and a rapid slope or descent from the base of the bank of earth to be washed, so that *he waste water will run off through the sluices, bearing with it wel, sand and the suspended clay.". The above description has been copied from a report on the gold mines of Georgia, by Mr. William P. Blake, who had carefully studied this method of mining hi California, and by whose recom- mendation it has been introduced into the Southern States. He tells us that in the 3ase of a deposit in North Carolina, where ten men were required, for thirty-five days, to dig the earth with pick and shovel and wash it in sluices, two men, with a single jet of water, would accomplish the same work in a week. The great economy of this method is manifest from the fact that many old deposits in the river beds, the gravel of which had been already washed by hand have been again washed with profit by the hydrau-' lie method. The auriferous earth, lying on hills and at some dis- tance above the level of the water-courses would in the ordinary methods, be excavated by hand, and brought to the water ; but by the present system, the water is brought by acpieducts to the gold deposits, and whole square miles, which were before inaccessible, have yielded up their precioiis metal. It sometimes happens from the irregular distribution of the gold in the diluvium in California that the upper portions of deposit do not contain gold enough to be waahed by the ordinary methods; and would thus have to be removed at p. considerable expense, in order to reach the richer portions below. By the hydraidic method, however, the cost of cutting away and excavating is so trming, that tliere is scarcely any bank of earth which will not pay the expense of washuig down, in order to reach the richer deposits of gold beneath. % r %\ 11 The aqueducts or canals for the mining districts of California arc seldom constructed by the gold workers themselves, but by capit- aJista who rent the water to the miners. The cost of one of these canals, carrying the water of a branch of the Yuba River to Nevada County, was estimated at a million of dollars ; and another one, thirty miles in length, running to the same district cost 1500,000. The assessed valued of these various canals in 1857 was stated to ' be over four millions of dollars of which value one-half was in the single county of Eldorado. The Bear River and Auburn Canal is sixty miles in length, three feet deep, and four feet wide at the top, and cost in all $1,600,000 ; notwithstanding which, the water rents were so great, that it is stated to have paid a yearly dividend of twenty per cent ; while other similar canals paid from three to five and six per cent., and even more, monthly. The price of the water was fixed at so much the inch, for each day of eight or ten hours. This price was at first about three dollars, but by competition it has now been greatly reduced. From these statements it will be seen that the •;ioat riches which have of late years been drawn from the gold mines of California, have not been obtained without the expenditure of large amounts of money and engineering skill. This last is especially" exhibited in the construction of these great canals, and the application of the liydraulic method to the washing of auriferous deposits which were unavailable by the ordinary modes of working, on account of their distance from water-courses, or by reason of the small quantity of gold which they contain. In order to judge of the applicability of this method of washing to our own auriferous deposits, a simple calculation based upon the experiments upon the RivicM-e du Loup will be of use. It has been shown that the washing of the ground over an area of one acre and with an average depth of two feet, equal to 87,120 cubic feet, gave in round numbers, about 5,000 pennyweights of gold, or one and thirty-eight hundredths gi-ains to the cubic foot ; which is equal to one and three-quarter grains of gold to the bushel. Now, according to Mr. Blake, earth containing one forty-fourth part of this amount, or one twenty-fifth of a grain of gold, can be profitably washed by the hydraulic method, while the labor of two men with a proper jet of water suffices to wash one thousand bushels in a day ; 12 which, in a deposit like that of Riviere du Loup, would contain about twenty-three pennyweights of gold. It is probable, however, that a certain portion of the finer gold dust, which is collected in the ordinary process, would be lost in working on the larger scale. It has already been shown that the gold in Canada is not confined to the gravel of the river channels, and the alluvial flats, .but is found on the Metgerraet and St. Francis Rivers, at from fifty to a hundred and fifty feet above their beds ; and although its proportion were to be many times less than in the gravel of the Riviere du Loup, these thick deposits, which extend over great areas, might be profitably worked by the hydraulic method. The fall in most of the tributa- ries of the Chaudiere and of the St. Francis throughout the auri- ferous region is such that it would not be difiicult to secure a supply of water with a sufficient head, without a very great expenditure in the construction of canals ; and it may reasonably be expected that before long the deposits of gold-bearing earth, which are so widely spread over south-eastern Canada, will be made economically avail- able. V;^l cu. REPORTS ON THE ■.h CHAUDIERE GOLD REGION. i ABSTRACT OF REPORT ON THE GOLD MINES OF THE ST. LAWRENCE MINING COMPANY. By Count de Rottermund. The past year was employed in making choice of the lands bearing gold and copper, and in purchasing them. This present year my attention was principally directed towards the examination of the importance of the mines, and of the localities where we should commence operations. Although the gold appears to be spread over an extent of 10,000 square miles, according to certain vague data gathered from different individuals ; and although the' reports, given in to Ooverment during a number of years, state that the auriferous clays and gravel, proceed- from the washings of an unknown vem, such is not the oarfe ; the gold found in Lower Canada is generally due to the same material cause as all the other metals and minerals which are found in veins, both native and mixed or associated with other metals ; I have not been able to find any character whatever in them denoting an alluvial nature- Some places of very small extent contain gold, which is denom- inated alluvion ; but such is not generally the case, and moreover such is not the case with regard to the different auriferous properties held by this company. The gold veins traverse the mountains ; in Bomo places they are in the rivers and small streams, and the vems 14 are cut 'by tlsem, which Is the cause why certain portions of the rivers or streams contain a quantity of gold in their beds, and this is the caae with regard to a location granted under the name of Richard Oatey. The landaking*a good thing of it. Another account says that several parties, working only a few feet below the surface, arc making from 120 to $25 per day. Of course there will doubtless be some exaggeration in many of these rumors. An official report, however has been made to the Commissioner of Crown Lands, on the subject, and this, we suppose, will be made public without delay. t ^ GOLD IN LOWER CANADA. {Fmm the Commercial Advertiitr .) We have been favored by a friend, a practical gold-miner, who spent some years in the placers of California engaged in gold-min- ing, with an account of his exploration of the Chaudi^re gold dis- trict, during the present summer. Our informant spent two months in prospecting the country from the junction of the Du Loup and Chaudidre rivers, where the Montreal Company is now working, to the Maine and Now Brunswick boundary lines. The season has been one of the worst ever known for prospecting, the water in the rivers and brooks being at flood height, and the ground saturated with moisture by the constant rain. He was therefore prevented from examining the beds of the streams, and from sinking trial shafts to the necessary distance to obtain an accurate knowledge of the nature and extent of the distribution of the precious metal. But with these unfavorable cucumstanccs his general exploration was highly successful. He found gold in the banks of every stream examined, in the ditches by the road-side, in the gravel beds ad- joining water-courses, on the tops of the hills far removed from water, and m other localities which cannot have been submerged for many ages. The general character of tiw gold, of which w« 22 havo many apocuinetis now before u8, ifl great purity and exceeding coarsenc as ; some of it U inuoli wator-worn, and other apecimons appear to have been only recently dinlodged from the quartz matrix. Tho country generally exliibits broad exposures of slate, traversed by numerous (juartz veins, and resembles in every respect the gold region of California, with the exception of the alwence of volcanic evidences. Wo have now to announce the discovery of a largo (juartz vein in the Chaudiiire district carrying an usually large amount of gold in prills and nuggets, many of them weighing several ounces ; and the discovery of other loads showing similar indica- tion of the precious metal, and proving conclusively that these quartz veins may be worked in Canada, as in Australia and Cali- fornia, with a prospect of very large returns. One mass of (piartz taken from like large vein was thickly set Avith nuggets of gold from an ounce up to six ounces in weight, carrying the gold not in regular strings, but in isolated lumps throughout its substance ; a quantity of quartz estimated at five hundred weight having yielded to the discoverer seven hundred dollars worth of gold by the simple process of breaking out the larger pieces with a hammer ; and still containing a large amount of finer gold only to be obtained by crushing. Our informant states that he saw nothing equal to this mass in the most productive quartz leads of California, and if the remainder of the vein from which it was taken is at all like it, its value is in- calculable. It was discovered last yeai* by some habitants of the district, who kept its locality a secret. It was from this vein that the large nuggets sold in Quebec last November were taken. We have before us some specimens, showing its exceeding richness. The ^old in the different streams varies much in char^tc vOi ; m ^f ^■HJ some it is exceedingly fine, as fine indeed as that of Frase- ' in others, and some of the smallest, it is coarser than that found in California, the fine gold being apparently the result of the decom- position of aurlf jrous pyrites, and the product of quartz veins. Hitherto the atrc^.ms alone have been worked, and the operations on them wore carid.r<.ed nith so little skill, that our informant is surprised that imy ^M was obtained; as it was, the whole of the fino gold wa^ washed away. Yet, in one instance, 15,000 dwts. were taken from little more than half-an-acre of a bar ; in another, nine pounds weight were got I 23 from a single hole, anre and its tnbutary streams ; that the surface i)rospects, in spite of the unfavorable season, were su- perior to any he had ever found befoie ; and that witli ordinary Hkill, by simply panning on the river banks, large wages can bo made with certainty. IMPORTANT GOLD DISCOVERIES IN THE COUNTY OF BEAUCE. {Morning Chronicle, Quebec.) Considerable excitement has been caused in the South Shore parishes by extensive gold discoveries in St. Francois de la Beauce It appears that along the banks of the Riviere Gilbert, in the third concession of that parish, the richest deposits h:ive beeen foun P^ AjV OF TH E Canada JS as t PJ^A]\r,)^^ ) r////ya////^ r rr^ y. rj /7 //////€ -yf/ZYV -^jf//Y, /y madaJEcist / e- o^ f fines i^ 2 mil('A\ Y//r// ^y/// ^ /r/z/^/z/u: Caiuu/if Ea.si . ^