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Les cartes, planches, tableaux, etc., peuvent Atre filmAs A des taux de reduction diffArents. Lorsque le document est trop grand pour Atre reproduit en un seul clichA, il est filmA A partir de I'angle supArieur gauche, de gauche h droite, et de haut en bas, en prenant le nombre d'images nAcessaire. Les diagrammes suivants illustrent la mAthode. 1 i ( 1 9 > 1 2 3 \ ""^ • 4 ■ 7 5 6 t» 32 X 1 - ' i ,• • ' » I * • m IS'* REPORTS OS TUB PROPKRTY OF THE imm mm mm compini, COMPRIBINO TWO HtJNDREp ACRES OF LAND IN BROME aAD SUTTON, CANADA EAST. -♦♦♦- BOSTON: JREaS jaR^GBO JC^-BAM JBMfc i;uma;;i::^ 1864. --^K^- •<»•■»■' :>>i#^ I V -r'. ' . ^\ . / ■ v^ J »^^fc■w»^J ■.■-■»*«. ■•if'>' m •*'r'T "° ' V I'^'m" ^^^^J^I^WIW???^' ! » « ■'" fc ii^= \ ^ . ^'^ J- t > Vi ■ t \ r" 1 .^; , \ . ;. fl. v \ ■-' i . \ * \ '' ■^■sH / \ ». ., N • \ :i -■^i * .*» \ '.- '. --Ji -V-*;^. ' \ im 1, ^£^ /^■' s ' OF TH E .'" .XV^ ■v- -v' ^ .^ -,' T^/if/VV^^/^^^^^. \ -I ( ■ !K i-7ftrf^ ./ . / t / v< » 1- - 4 . ) f ^ ^ ' ., 4' » , — 1 ~hr : a nni 34 >(; REPORT S OM TRK PBOPBRTT OP THK tMERICM COPPER MINING COMPMT. ooMFumro TWO HUM)RED ACRES OF LAND IN BROME AND SUTTON, \ CANADA EAST. f f -•••- 6 0S^T0N« PBESa OF QEO C BAND & AVESY, 8 COBNHILL > 1864. /► -vM^iS;*!;'" ^f-/1 mm ■J mi I I 1_ V. <^ t- " ' ' ■ ■ ♦ «... ■ . lirtiirtitifliiil'fin ^.jtiJsu.jijf.A^. ^G, EN G-INEER.'^ i Gentlemen: — I beg to submit the' following, remarks on your copper-miniifg locations in Brome and S«tton, which I- have recentlj^ inspected. I also enclose a map Showing its position, and the direction of thp metalliferous veins or beds. This property consists of the following lots, viT;. : 1 east half of lot 1 in the 4th range of Brome, 100 apres. 'J\ 2 part east half of lot 2 3 " west " " 3" Ti\\ " " 10 " nortn 4th. ^4th nth ft. of of of S Jit ton Corapin^ing in all •/■ 25 50 " 37 " 21^ acres The mineral rights (n^ all these lots aVe "held by ydu in per- . petuity, exempt from all dues, or Royalty.; . • These lots are irryfiediately contiguous to the Sutton Mine on the one hand, and'thfe Brome Mining Company's locations on the other. T have noViositation in stating that it is a most valjiable propejrty. It is ^n undoubted fact that the same cop- per-bearing beds, which are worked at both Ithe above-named mines, traverse this property throughout its entire length, and the same results wifl be^ attajped here. YeryJi^tle J^ork has been done on the lots \in question, but the qo£pelr-ore shows rich at the surface in several places. 1 regard theipros- pects for mining here as almost certain of success, so far as such can be predicted of any orining adventure. ^ For detailed particulars, I begXto refer you to the printed Reports on the Sutton, Canadi^, and Bcpme MHaMig Comps^ny's properties^ ** " . \ / ^y tJ 3S I 7^ ^ilr*^>. I f I i" BY MR THOMAS PPTm^r. ^PER COMPANY'S Ml.VE. Gentlemen •-_ J , 'owness of thr„„ "W-'-ore, wl,,/ f? "P^^nt has; re- ' ™'-» M differs p„T„: ''"'" ""'' » fewfeer '' «°°'' P"- ■ •''™l'"-, its size v„ " ''ontainin^ Lh '""""westerly. ™- i„ „,, , « ^O-mg from fi,e a/d ™f SeT TT'^ P"P- '""'« rel bat i„„„f "P'oral/ons are ! "" ''<=« »r '^'■■■™».stenoesT^''""^P'-'"'<"' either L"'' """'°"' ""d t- 'ta great p^al >:''" '^ »«" -oag \ f, " ""e Cher '■"Of*, and that the * ""^"'■"'"ce and very ? ? ''?«" '» "oriptioD. ""^ Pf°»P?cls are of the ,^1 ™!''"''» ^»n.po. . . The pri^iti,, rock , ««n'&ctory de- , Congenial to mi °r ^''"^'"S ">™ugh the „ Tl-e vein aboTe '„*■ ;:°"'''"'"=^^- ""'^ " 9'"'» "^--bonate of e„p ' , " ,^'«'' Percentage of rfn''^''''^'' "'- ' "tances in which i'' '" '"P"'"* fo ob,e ^' ""'' g-'een - "-■""re that it el""" " ^""-edded ItlJ" """ "■« »"<>■ ""ed fron, i, ky,T ""y ""«'> reduced 1°,'" "■•' "^ «»ch "■■%• ' "^ '""^' "-'-"•ea^re Lstit °" '"^ ,^"' " is not on thi, ■ *""" f"" 'HERICK, of my examina- «^d'«, in Brome 'Pment has; re-' '^ to the shaJ. ^^y g:ood pros, a cupriferous bout 700 feet outhwesterJjr. eariy perpen-' ' *en feet or shallow, and o'' t^e other -en done to af^ie bompo- ^factory de- '^yisquith ^8 matter, « of i/me, 'rites, vit- ^^'i green ^ the sub- ' of such ^1*6 sepa- ?reat fa- opinion ed. Jn its ob- Eristic in regard to the locality in which it obtains. I am pleased to observe that this property stands in a very favorable light in this respect, as the following statements will show : — Nearly opposite thfe western part of the 700. feet line of ex- explorations on the vein already described, and about 70 to 80 feet southwesterly from it, a vein has been struck, seven feet wide in a shallow trial-pit. Itt prospects are decidedly favor- able, containing " gossan " and " mundic " (sulphuret of iron), both favorable accompaniments for copper, a^ indications. No time should be lost in effecting a deeper trial of this vein, and of that next referred to, and perhaps of others. It is obvious- ly of great importance to ascertain speedilythe circumstances of the different veins, in order to deterc^^ intelligently, at an early period, the system of operations best calculated to promote the greatest ultimate success pf the whole under- taking. About 140 feet southeasterly from the last trial-pit, and a few yards south of the apparent course of the veiii there, another very promising vein has been partially developed, its size not being yet ascertained. It has a very favorable ap- pearance, so far as opened, containing copper and iron py- rites, &c. Near this point, copper-ore, the yellow sulphuret, appears in places on the very surface of the ground. No (Jpening has yet been made on it. What other metallic veins are in the property is obviously an im^wrtant question, which can only be solved by further explorations. From a deep gorge in the western part of the property to its eastern line, the distance on the course of the veins is prob- ably about 2,500 feet. In the absence of a regular survey, I cannot state with confidence the height of the ground in the property at the summit. It may probably be 250 feet or more above the level of th6 creek at that gorge ; from whence a level being driven on the course of one or more veins would eflFect the drainage, «nd aflford the |5est facilities for the most eflFective and advantageous prosecution of the works. From the creek, where there is a powerful stream of water, with a great fall, ample power can be obtained for preparing the ore for market and other purpoeeff. t-.:-i>> L K ^ i'L*^ ^-^1 ^14 H. \ : ff ;e speedily effected by 2 -T"""""^ '■'"'■- ^ ore t T "ap/tal for nr, ■ ^ ° judicious oullav „f ™'' ''« extend through the n, '^^''^^ ^«^ discovered «n.l C^ oTr r? ^ --' ^ro:sr ? -^- fi.«f • ^^^''age width of thn ^^ fathoms, which *eet, gives 1,083 c«^,v /,, *^® ^^^Pective veins tn u ' vein f Tu- ^'^^^ faikoms fnr ^^ . ''^^ "e six J am, Gentlemen, ^eryrespectfuIJ^.^ours, THOS. PETHERiCK, EBICK. tal survey be Canada East. ts of the min. ^f ore can be 5ry moderate and econom- be speedily te the great lently antici- and opened absence of aggregate ' are other 'Dis, whfch, to be six height of of having on of the actory es- e, as welj fore free REPORT OF DR. C. T. JACKSON, ON THE SUTTON MINE. Gentlemen :— Having visited and examined the Copper Mine belonging to Solomon Sweet & Co., in the township of Sutton, Canada East, I have to aubmit/the following Report : — / K'- situation OS" THE MINE. The mine is situated in North Sutton, Lot 8, Range 10, and is sixteen miles from the station at West Farnham. on the Stanstead, Shefford, and Chambly Railroad ; twenty-three miles from the Lake Memphramagog, and nineteen miles from Pike River, the head of navigation on Lake Champlain. It is near the summit of a hiH^and from the immediate plain or meadow below the mine, I found the height by the pocket- level to the mine, to be 106 feet, the distancebeing about 1000 feet. This is the extent of natural drainage of the mine. The land in the immediate neighborhood is cleared and cul- tivated, and the soil appears to be fertile, and is considered valuable for. grazing. The population is sparse, and the people are mostly occupied with agriculture. tneer OEOLOGT OF THE REGION. The rocks in which the copper ore is found are of the Lower Siluri?in or Taconic series, and consist of a pearly argillaceous slate, associated with magnesian limestone, or compact dolo- mite, like that of Acton. The slate strata at the mine run N. 82 degrees E., S. 32 degrees W., and dip to the northwestward 8 degrees.; on another part of the hill further down the slope, the strata run N. 40 degrees E., S. 40 degrees W., and dip S. 50 degrees, W. 8 degrees. The slates split out in large, smooth sheets, and in some places are sound enough for roofing purposes ; but at the mine ./' ( ;;■ 8 th6 occurrence of ""■«■ » ebod "' '°»" Write. a«d 2,7 ™ "'''''■'^- '■«". po'ited 4X" tT r"-"*^" ''■«' tit c: v"' *'^'»'». depositing «,„":„""" '«' "h-ie the arliCT- '"'? ""^"n de. deposited Jd,r'^''"' "'•''' ■*=( also h.. r'""'"'"^'" "as - °fttefom.tt^'"'*™'''''"«'a«oS^edt^'' '""'° «>™ed and "bove naCd %r°!.''' "'^ ''■"'ted ", e:tenT';"™'^'P-'»d tBriz„n,^7°i S'«oe the d6p„siti„„ „" ..*" «° 'he st«,a degrees tromtZ °'^ "early vertical """ "'"^'ed, ^'"I'Ch to"""^"'"- °''°^ ■»*» button' r-'' appear* „Clt ^r? f' ™Prifero„s belt „f t . • copper ores anno„ . ^^ '^^^^fs are lim^.* ^ laconic * ■netalliferoos enT !■ "■'^"'ed veins and if !l' '"'■'' "e'er 'he ore, must Wet:"' ■" « ™Poro„: II ' ' ^.^^e fron. "esiothepasv-"?- '"»«Pa"»«ely,soas,„f """""» "f ^»^^d into rS °'»'""-' ""ioh .ut: ;:n'^/°™ ^-oPPer ^Ji the lodes w« k consoli- °f "etallife™;;' lr° "'"' *■" -en in Canada 8™s«n, »o oll^°'''' ""d «ot distinc" „!n^ "■■' "-"'j- beds heeo effeotedTth? '«*»'»«'■■ b^ miners l!" "T "'* "■« enders the sla fhickness, bear- ite slafe, fij]ed «J black oxide ^he slafe; and of a foot, and thickly inter- ^Per ore as to 's are part of with the non- ^en them and be no doubt 'th the state, ^e beende' diment was formed and "Jar period *Jie strata 3riaJ8 in a 1 elevated, e but ten f Taconic ' 'ates, the ey never ime from nents of 3 copper consoli- 'Ijbeds ith the 'on has 9 THE MINE. > Near the summit of a hill, one hundred and six feet high, two belts of nacreous slate rocks, thickly interlaminatea with copper ore, appear cropping out on the surface, and are dis- tinguishable from the darker^olored slate, by their light brown- ish tint. One of these beds is six-tenths of a foot wide, and is quite rich in copper ore. Eight feet farther west we pee an- other similar bed, which is one foot thick. Quartz vbins or beds also occur a few inches wide, and bear^tlfrple oro, some • of the solid veins in which are. from half sm inch to one inch in thickness. • " One of those quartz veins is eighteen inches thick, and bears strings of purple copper ore a quarter. ot an inch thidk. All these beds have been superficially opened to the depth of a few feet for exploration. A cross-cut lias* also been made on the strata by- a shallow ditch, and a bed of chlorite slate J stained black by oxide of manganese, or black wad, and fillpd with small crystals of octahedral magnetic iron ore, has lieen ex- posed. I . ■A shaft has been sunk in the outcrop of the two cupriferous beds above mentioned, to the depth of seventy feet perpendicu- larly ; and consequently has passed through them at the depth of twenty feet, the shaft being eight by nine feet square, nearly. The miners here lost the ore, and sunk fifty fe it lower without finding it, of course, and concluded that there 1 lad been some shift or fault in the lode. They therefore stoppt d work- ing below, and on tribute cut out from the depth oil twertty feet to the surface, making an oblique stope from the shafts. This operation showed greart; recklessness or tvant of skill ; and so far as the work extends, it is injurious to the mine, and will require to be walled up to keep the surface water fiom the mine. All this work is not lost, for it will b^ advisable to make the shaft twelve feet by eight feet, and this elongation will take in much of the stoped ground. A cross-cut to the west^ ward, eight feet from the west side of the shaft, at the flepth of seventy-feet, should reach the ore bed, the (Jeparture of the bed from the perpendicular being twelve feet. The stppe cut ..'*?j*2).. vljifiR '■+» ; c ^ % t 10 out from the shaft h ■ »haft aT hit ! T'""' ""Prif-o". belt wW h """ '='''''' ">•=» ^iilrun^ff f ,°°* '"jure thf mininr'; ^"f ^ ^ '^^^el «toped ■ ^issH:iS:?5: TiTe land included in the J. '•aised to ten or tTveltt ^" ^'""' 'Pressed by buof obvious that by Zi ^'' '"^'•' ^« ^e were in f^'"/' ^"^ per cent anH ^ T' "machinery it mav h "^°^««d. it is I V ;.. .\. 11 5 surface, and ■om the shaft. "Pto within Jower doAvn, oper ore was 3 case, then 3 cut hy the seen on the t. ^} into the ^Jnt, say on stope out ft has been vel stoped the water ing large. to West ^o dollars fpe miles, Md from ^ per ton to Pike's t>y LaJte ' is one er beds ig; Was d, it' is iwenty ate hy appli- T the from asuf. [uate (■ J , DRESSING OF THE SUTTON COPPER ORES AND ASSAYS OF iTHE 'DRESSED ORES. In order to ascertain if the poorer ores from the Sutton Mine could be dressed to a higher percentage, 1 took one pound of the ore, which consisted of interlaminations of copper pyrites and slate rock, reduced it to a powder and sifted it, and then washed it in an ordinary gold pan. This ore was estimated to yield about ten per cent, of copper pyrites, or three per cent^ of copper. On washing it, one and a half ounces of washed ore was obtained, or ten and seven-tenths per cent, of ore of copper ; and, as proved by dissolving out the ore, and weigh- ing the rock remaining, the washed ore contained fifty pe# cent, of rock and fifty per cent, of copper pyrites; the copper therefore should be in this fifteen per cent., and by assay I found that it yielded 14.42 per cent, of pure metallic copper. By means of a round Welsh buddle, this ore can bo washed to a still higher grade. \ A sample of the bucked erubescite, or pur'ple coppBf ore, from the shaft of the Sutton Mine, was also tried. Four ounces of it were washed to one ounce of very clean ore, which was found to contain 75.7 per cent, of the ore, and 24.3 of rock. This washed ore yielded 46.02 per cent, of pure metallic copper, and the pure ore, free from all rock, yielded 60.766 per cent, of copper. It is obvious, therefore, that these ores can be easily dressed to as rich a state as the market requires. At the present- price of copper ore, five dollars per unit per ton, 14,42 per cent, ore is worth $72.10 per ton, and 46.02 per cent, is worth $230.10 per ton. C. T. JACKSON, M. D., ♦ Geologist and State Aaaayer. V 1 iKi, -J'Hf. 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