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. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. alclaims were located in 1905. The country rock is mostly serpentineAvith dikes of porphyritic diorite and granodiorite. The ores consist ofchalcopyrite, chalcocite, cuprite, and free copper. The strike is north-west and southeast and the dip 45° to the northeast. The undergroundworkings consist of three crosscut tunnels, 25, 100 and 700 feet, respec-tively. There are 750 feet of drifts, 20 feet of winze and 210 feet ofraise. Assessment work only is being done and no ore has Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/appendix-to-the-journals-of-the-senate-and-assembly-of-the-session-of-the-legislature-of-the-state-of-california-alclaims-were-located-in-1905-the-country-rock-is-mostly-serpentineavith-dikes-of-porphyritic-diorite-and-granodiorite-the-ores-consist-ofchalcopyrite-chalcocite-cuprite-and-free-copper-the-strike-is-north-west-and-southeast-and-the-dip-45-to-the-northeast-the-undergroundworkings-consist-of-three-crosscut-tunnels-25-100-and-700-feet-respec-tively-there-are-750-feet-of-drifts-20-feet-of-winze-and-210-feet-ofraise-assessment-work-only-is-being-done-and-no-ore-has-image337025871.htmlRM2AG8RX7–. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. alclaims were located in 1905. The country rock is mostly serpentineAvith dikes of porphyritic diorite and granodiorite. The ores consist ofchalcopyrite, chalcocite, cuprite, and free copper. The strike is north-west and southeast and the dip 45° to the northeast. The undergroundworkings consist of three crosscut tunnels, 25, 100 and 700 feet, respec-tively. There are 750 feet of drifts, 20 feet of winze and 210 feet ofraise. Assessment work only is being done and no ore has
The complete works of Robert Burns: containing his poems, songs, and correspondence . -oak. For some black, grousome carlin;An loot a winze, an drew a stroke, Till skin in blypes cam haurlin Afis nieves that night. A wanton widow Leezie was. As canty as a kittlin;But, och! that night, amang the shaws, She got a fearfu settlin!She thro the whins, an by the cairn. An owre the hill gaed scrievin. that the being about to appear may shut the doors anddo you some mischief. Then take that instrument usedin winnowing the corn, which, in our country dialect, wecall a wecht; and go through all the attit Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-complete-works-of-robert-burns-containing-his-poems-songs-and-correspondence-oak-for-some-black-grousome-carlinan-loot-a-winze-an-drew-a-stroke-till-skin-in-blypes-cam-haurlin-afis-nieves-that-night-a-wanton-widow-leezie-was-as-canty-as-a-kittlinbut-och!-that-night-amang-the-shaws-she-got-a-fearfu-settlin!she-thro-the-whins-an-by-the-cairn-an-owre-the-hill-gaed-scrievin-that-the-being-about-to-appear-may-shut-the-doors-anddo-you-some-mischief-then-take-that-instrument-usedin-winnowing-the-corn-which-in-our-country-dialect-wecall-a-wecht-and-go-through-all-the-attit-image339069984.htmlRM2AKHY68–The complete works of Robert Burns: containing his poems, songs, and correspondence . -oak. For some black, grousome carlin;An loot a winze, an drew a stroke, Till skin in blypes cam haurlin Afis nieves that night. A wanton widow Leezie was. As canty as a kittlin;But, och! that night, amang the shaws, She got a fearfu settlin!She thro the whins, an by the cairn. An owre the hill gaed scrievin. that the being about to appear may shut the doors anddo you some mischief. Then take that instrument usedin winnowing the corn, which, in our country dialect, wecall a wecht; and go through all the attit
Principles of mining : valuation, organization and administration; copper, gold, lead, silver, tin and zinc . d be most difficult to in-troduce, and to support the walls with waste and stulls wouldbe even more troublesome. Any waste broken must needs bethrown up to the level above or be stored upon specially builtstages — again a costly proceeding. A further drawback lies in the fact that the broken ore 98 PRINCIPLES OF MINING. follows down the face of the stope, and must be shoveled offeach Ijench. It thus all arrives at a single point, — the winze,— and must be drawn from a single ore-pass i Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/principles-of-mining-valuation-organization-and-administration-copper-gold-lead-silver-tin-and-zinc-d-be-most-difficult-to-in-troduce-and-to-support-the-walls-with-waste-and-stulls-wouldbe-even-more-troublesome-any-waste-broken-must-needs-bethrown-up-to-the-level-above-or-be-stored-upon-specially-builtstages-again-a-costly-proceeding-a-further-drawback-lies-in-the-fact-that-the-broken-ore-98-principles-of-mining-follows-down-the-face-of-the-stope-and-must-be-shoveled-offeach-ijench-it-thus-all-arrives-at-a-single-point-the-winze-and-must-be-drawn-from-a-single-ore-pass-i-image343307708.htmlRM2AXF0DG–Principles of mining : valuation, organization and administration; copper, gold, lead, silver, tin and zinc . d be most difficult to in-troduce, and to support the walls with waste and stulls wouldbe even more troublesome. Any waste broken must needs bethrown up to the level above or be stored upon specially builtstages — again a costly proceeding. A further drawback lies in the fact that the broken ore 98 PRINCIPLES OF MINING. follows down the face of the stope, and must be shoveled offeach Ijench. It thus all arrives at a single point, — the winze,— and must be drawn from a single ore-pass i
California mines and minerals . record as a steady bullion-producer in thepast, having given more encouragement to the systematic prospect-ing of the mineral belt west of the Mother Lode in this part than anyother mine on that belt, is the Boulder Mine, owned by Wilman Bro-thers. The Boulder is situated on Webber Creek, near its junctionwith the South Fork of the American River, about twelve miles westof Placerville. The mine is worked from tunnels driven into the sideof the mountain, and by a winze from the lowest tunnel level, 600feet in depth. The mine is equipped with a splendid twenty-sta Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/california-mines-and-minerals-record-as-a-steady-bullion-producer-in-thepast-having-given-more-encouragement-to-the-systematic-prospect-ing-of-the-mineral-belt-west-of-the-mother-lode-in-this-part-than-anyother-mine-on-that-belt-is-the-boulder-mine-owned-by-wilman-bro-thers-the-boulder-is-situated-on-webber-creek-near-its-junctionwith-the-south-fork-of-the-american-river-about-twelve-miles-westof-placerville-the-mine-is-worked-from-tunnels-driven-into-the-sideof-the-mountain-and-by-a-winze-from-the-lowest-tunnel-level-600feet-in-depth-the-mine-is-equipped-with-a-splendid-twenty-sta-image339087364.htmlRM2AKJNB0–California mines and minerals . record as a steady bullion-producer in thepast, having given more encouragement to the systematic prospect-ing of the mineral belt west of the Mother Lode in this part than anyother mine on that belt, is the Boulder Mine, owned by Wilman Bro-thers. The Boulder is situated on Webber Creek, near its junctionwith the South Fork of the American River, about twelve miles westof Placerville. The mine is worked from tunnels driven into the sideof the mountain, and by a winze from the lowest tunnel level, 600feet in depth. The mine is equipped with a splendid twenty-sta
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. centrate. An upper adit 700 feetlong is connected with the lower. On the opposite side of the river on same level as the lower adit, aftadit runs southwest 400 feet, with a winze 50 feet deep about midwayof it, and 30 feet of drifting from the bottom of winze is claimed to bein ore three feet wide. There is an old mill of four stamps, a ball mill, and old concentratoron the property. Springer Consolidated Mine. Owner, Springer Consolidated MiningCompany, Box CC, Tonopah, Neva Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/appendix-to-the-journals-of-the-senate-and-assembly-of-the-session-of-the-legislature-of-the-state-of-california-centrate-an-upper-adit-700-feetlong-is-connected-with-the-lower-on-the-opposite-side-of-the-river-on-same-level-as-the-lower-adit-aftadit-runs-southwest-400-feet-with-a-winze-50-feet-deep-about-midwayof-it-and-30-feet-of-drifting-from-the-bottom-of-winze-is-claimed-to-bein-ore-three-feet-wide-there-is-an-old-mill-of-four-stamps-a-ball-mill-and-old-concentratoron-the-property-springer-consolidated-mine-owner-springer-consolidated-miningcompany-box-cc-tonopah-neva-image336737805.htmlRM2AFRME5–. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. centrate. An upper adit 700 feetlong is connected with the lower. On the opposite side of the river on same level as the lower adit, aftadit runs southwest 400 feet, with a winze 50 feet deep about midwayof it, and 30 feet of drifting from the bottom of winze is claimed to bein ore three feet wide. There is an old mill of four stamps, a ball mill, and old concentratoron the property. Springer Consolidated Mine. Owner, Springer Consolidated MiningCompany, Box CC, Tonopah, Neva
Mineral resources . nsists of an impregnation highlypyritised, which at surface forms strong irony outcrop. In the vertical shaft the impregnated belt was cut at 20 feet, andpassed through at 147 feet. From the 203-feet level a crosscut reachedthe footwall boundary of the mass in 62 feet, and was continued acrossit diagonally for 46 feet without reaching hanging-wall boundary.From this point a winze was down 45 feet (in October, 1907), whereat bottom nearly pure iron pyrites was making. The crosscut at 203-feet level in the impregnated zone passedthrough thin veins and finely-disseminated pyri Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/mineral-resources-nsists-of-an-impregnation-highlypyritised-which-at-surface-forms-strong-irony-outcrop-in-the-vertical-shaft-the-impregnated-belt-was-cut-at-20-feet-andpassed-through-at-147-feet-from-the-203-feet-level-a-crosscut-reachedthe-footwall-boundary-of-the-mass-in-62-feet-and-was-continued-acrossit-diagonally-for-46-feet-without-reaching-hanging-wall-boundaryfrom-this-point-a-winze-was-down-45-feet-in-october-1907-whereat-bottom-nearly-pure-iron-pyrites-was-making-the-crosscut-at-203-feet-level-in-the-impregnated-zone-passedthrough-thin-veins-and-finely-disseminated-pyri-image338150045.htmlRM2AJ41R9–Mineral resources . nsists of an impregnation highlypyritised, which at surface forms strong irony outcrop. In the vertical shaft the impregnated belt was cut at 20 feet, andpassed through at 147 feet. From the 203-feet level a crosscut reachedthe footwall boundary of the mass in 62 feet, and was continued acrossit diagonally for 46 feet without reaching hanging-wall boundary.From this point a winze was down 45 feet (in October, 1907), whereat bottom nearly pure iron pyrites was making. The crosscut at 203-feet level in the impregnated zone passedthrough thin veins and finely-disseminated pyri
. Ontario Sessional Papers, 1897-98, No.33-66. nze connecting these levels. Thefourth and fifth levels have been connectedby a winze 35 feet south of the shaft. Fifteenfeet below the fourth level in this winze adrift has been run south 25 feet. The fifthlevel has been driven north 35 feet, and isbeing continued. Ten feet north of theshaft in this level a sump has been made.The new hoisting and air compressing plantsare in operation, and the skip-ioad has beenconstiucted to the fifth level. The new 75horse power double-drum bolster is in opera-tion, and the inclined tramway has been builtto the Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ontario-sessional-papers-1897-98-no33-66-nze-connecting-these-levels-thefourth-and-fifth-levels-have-been-connectedby-a-winze-35-feet-south-of-the-shaft-fifteenfeet-below-the-fourth-level-in-this-winze-adrift-has-been-run-south-25-feet-the-fifthlevel-has-been-driven-north-35-feet-and-isbeing-continued-ten-feet-north-of-theshaft-in-this-level-a-sump-has-been-madethe-new-hoisting-and-air-compressing-plantsare-in-operation-and-the-skip-ioad-has-beenconstiucted-to-the-fifth-level-the-new-75horse-power-double-drum-bolster-is-in-opera-tion-and-the-inclined-tramway-has-been-builtto-the-image336858256.htmlRM2AG1640–. Ontario Sessional Papers, 1897-98, No.33-66. nze connecting these levels. Thefourth and fifth levels have been connectedby a winze 35 feet south of the shaft. Fifteenfeet below the fourth level in this winze adrift has been run south 25 feet. The fifthlevel has been driven north 35 feet, and isbeing continued. Ten feet north of theshaft in this level a sump has been made.The new hoisting and air compressing plantsare in operation, and the skip-ioad has beenconstiucted to the fifth level. The new 75horse power double-drum bolster is in opera-tion, and the inclined tramway has been builtto the
![The quicksilver resources of California . -; then comes about 4 feet of more or less decomposedserpentine, and then the serpentine hanging wall. The footwall is probably serpentine, but has not been uncovered. [SeeFig. 7.] A lower tunnel, 65 feet below the open cut, 80 feet 52 QUICKSILVER RESOURCES OF CALIFORNIA. long, has a long stope 40 feet high to the surface and at thebreast a winze 16 feet deep; both on the same seam, whichhere has a metal-carrying zone 3 feet wide, showing no nativemercury. [See Fig. 8.] A very crooked crosscut tunnel, 60feet lower down the hillside, has not reached the Stock Photo](https://c8.alamy.com/comp/2AJ60C9/the-quicksilver-resources-of-california-then-comes-about-4-feet-of-more-or-less-decomposedserpentine-and-then-the-serpentine-hanging-wall-the-footwall-is-probably-serpentine-but-has-not-been-uncovered-seefig-7-a-lower-tunnel-65-feet-below-the-open-cut-80-feet-52-quicksilver-resources-of-california-long-has-a-long-stope-40-feet-high-to-the-surface-and-at-thebreast-a-winze-16-feet-deep-both-on-the-same-seam-whichhere-has-a-metal-carrying-zone-3-feet-wide-showing-no-nativemercury-see-fig-8-a-very-crooked-crosscut-tunnel-60feet-lower-down-the-hillside-has-not-reached-the-2AJ60C9.jpg "The quicksilver resources of California . -; then comes about 4 feet of more or less decomposedserpentine, and then the serpentine hanging wall. The footwall is probably serpentine, but has not been uncovered. [SeeFig. 7.] A lower tunnel, 65 feet below the open cut, 80 feet 52 QUICKSILVER RESOURCES OF CALIFORNIA. long, has a long stope 40 feet high to the surface and at thebreast a winze 16 feet deep; both on the same seam, whichhere has a metal-carrying zone 3 feet wide, showing no nativemercury. [See Fig. 8.] A very crooked crosscut tunnel, 60feet lower down the hillside, has not reached the Stock Photo")
The quicksilver resources of California . -; then comes about 4 feet of more or less decomposedserpentine, and then the serpentine hanging wall. The footwall is probably serpentine, but has not been uncovered. [SeeFig. 7.] A lower tunnel, 65 feet below the open cut, 80 feet 52 QUICKSILVER RESOURCES OF CALIFORNIA. long, has a long stope 40 feet high to the surface and at thebreast a winze 16 feet deep; both on the same seam, whichhere has a metal-carrying zone 3 feet wide, showing no nativemercury. [See Fig. 8.] A very crooked crosscut tunnel, 60feet lower down the hillside, has not reached the Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-quicksilver-resources-of-california-then-comes-about-4-feet-of-more-or-less-decomposedserpentine-and-then-the-serpentine-hanging-wall-the-footwall-is-probably-serpentine-but-has-not-been-uncovered-seefig-7-a-lower-tunnel-65-feet-below-the-open-cut-80-feet-52-quicksilver-resources-of-california-long-has-a-long-stope-40-feet-high-to-the-surface-and-at-thebreast-a-winze-16-feet-deep-both-on-the-same-seam-whichhere-has-a-metal-carrying-zone-3-feet-wide-showing-no-nativemercury-see-fig-8-a-very-crooked-crosscut-tunnel-60feet-lower-down-the-hillside-has-not-reached-the-image338192857.htmlRM2AJ60C9–The quicksilver resources of California . -; then comes about 4 feet of more or less decomposedserpentine, and then the serpentine hanging wall. The footwall is probably serpentine, but has not been uncovered. [SeeFig. 7.] A lower tunnel, 65 feet below the open cut, 80 feet 52 QUICKSILVER RESOURCES OF CALIFORNIA. long, has a long stope 40 feet high to the surface and at thebreast a winze 16 feet deep; both on the same seam, whichhere has a metal-carrying zone 3 feet wide, showing no nativemercury. [See Fig. 8.] A very crooked crosscut tunnel, 60feet lower down the hillside, has not reached the
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. winze 200 feet deep in north drift. Idle. Mrs. Julia Sargent, ofJackson, owner. Seaton Mine (quartz). It is 1 mile east of Drytown. The vein isdistinguished hy a ma.«sive outcrop of quartz, occurring on the contactbetween the Mariposa slates on the west and diabase on the east. Thereis a shaft sunk on the vein to a depth of 950 feet, on an angle of 65°.Idle. A. Hay ward Estate, of San Francisco, owner. Shenandoah (Easton) Mine (quartz). It is 1^ miles northeast ofPlymouth. A Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/appendix-to-the-journals-of-the-senate-and-assembly-of-the-session-of-the-legislature-of-the-state-of-california-winze-200-feet-deep-in-north-drift-idle-mrs-julia-sargent-ofjackson-owner-seaton-mine-quartz-it-is-1-mile-east-of-drytown-the-vein-isdistinguished-hy-a-masive-outcrop-of-quartz-occurring-on-the-contactbetween-the-mariposa-slates-on-the-west-and-diabase-on-the-east-thereis-a-shaft-sunk-on-the-vein-to-a-depth-of-950-feet-on-an-angle-of-65idle-a-hay-ward-estate-of-san-francisco-owner-shenandoah-easton-mine-quartz-it-is-1-miles-northeast-ofplymouth-a-image337067895.htmlRM2AGANF3–. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. winze 200 feet deep in north drift. Idle. Mrs. Julia Sargent, ofJackson, owner. Seaton Mine (quartz). It is 1 mile east of Drytown. The vein isdistinguished hy a ma.«sive outcrop of quartz, occurring on the contactbetween the Mariposa slates on the west and diabase on the east. Thereis a shaft sunk on the vein to a depth of 950 feet, on an angle of 65°.Idle. A. Hay ward Estate, of San Francisco, owner. Shenandoah (Easton) Mine (quartz). It is 1^ miles northeast ofPlymouth. A
California mines and minerals . i • ^i • 1 — S r-— ^Y^ r,ovtji ^ ^ < The hangers are left in place until two or three sets are put inbelow, and then removed to be used again. Skip guides of six by sixOregon pine are fastened to the end pieces and center braces bymeans of lag screws, with the heads sunk into the guide, so as toprevent the shoe on the skip catching on them. The shaft is linedwith two-inch plank, in twelve-foot lengths, behind the wall plates andend pieces. 102 CALIFORNIA MINES AND MINERALS A cheaper form of timberino; used in the inclined winze in theStickle Mine is sho Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/california-mines-and-minerals-i-i-1-s-r-y-rovtji-lt-the-hangers-are-left-in-place-until-two-or-three-sets-are-put-inbelow-and-then-removed-to-be-used-again-skip-guides-of-six-by-sixoregon-pine-are-fastened-to-the-end-pieces-and-center-braces-bymeans-of-lag-screws-with-the-heads-sunk-into-the-guide-so-as-toprevent-the-shoe-on-the-skip-catching-on-them-the-shaft-is-linedwith-two-inch-plank-in-twelve-foot-lengths-behind-the-wall-plates-andend-pieces-102-california-mines-and-minerals-a-cheaper-form-of-timberino-used-in-the-inclined-winze-in-thestickle-mine-is-sho-image339143261.htmlRM2AKN8K9–California mines and minerals . i • ^i • 1 — S r-— ^Y^ r,ovtji ^ ^ < The hangers are left in place until two or three sets are put inbelow, and then removed to be used again. Skip guides of six by sixOregon pine are fastened to the end pieces and center braces bymeans of lag screws, with the heads sunk into the guide, so as toprevent the shoe on the skip catching on them. The shaft is linedwith two-inch plank, in twelve-foot lengths, behind the wall plates andend pieces. 102 CALIFORNIA MINES AND MINERALS A cheaper form of timberino; used in the inclined winze in theStickle Mine is sho
![Mining review . MARTINS QUARRY.. Photos, by Government Geologist.BANGOR QUARRY. Faces page 32.] 33 about 45ft. S. from No. 1, has been sunk 18ft. vertically. At that depth it holedthrough to the back of the S. drive. Over the drive between the two shafts a fairamount of stoping has been done in a ferruginous ore body 3ft. to 6ft. wide, carryinggold. Several parcels of ore taken from the workings have been treated atthe Government Cyanide Works, Petersburg, yielding from 14dwts. to 15dwts.of gold per ton. At a point 43ft. in the S. drive a winze is in progress, and is down17ft. The ore-bearing Stock Photo](https://c8.alamy.com/comp/2AKWDAJ/mining-review-martins-quarry-photos-by-government-geologistbangor-quarry-faces-page-32-33-about-45ft-s-from-no-1-has-been-sunk-18ft-vertically-at-that-depth-it-holedthrough-to-the-back-of-the-s-drive-over-the-drive-between-the-two-shafts-a-fairamount-of-stoping-has-been-done-in-a-ferruginous-ore-body-3ft-to-6ft-wide-carryinggold-several-parcels-of-ore-taken-from-the-workings-have-been-treated-atthe-government-cyanide-works-petersburg-yielding-from-14dwts-to-15dwtsof-gold-per-ton-at-a-point-43ft-in-the-s-drive-a-winze-is-in-progress-and-is-down17ft-the-ore-bearing-2AKWDAJ.jpg "Mining review . MARTINS QUARRY.. Photos, by Government Geologist.BANGOR QUARRY. Faces page 32.] 33 about 45ft. S. from No. 1, has been sunk 18ft. vertically. At that depth it holedthrough to the back of the S. drive. Over the drive between the two shafts a fairamount of stoping has been done in a ferruginous ore body 3ft. to 6ft. wide, carryinggold. Several parcels of ore taken from the workings have been treated atthe Government Cyanide Works, Petersburg, yielding from 14dwts. to 15dwts.of gold per ton. At a point 43ft. in the S. drive a winze is in progress, and is down17ft. The ore-bearing Stock Photo")
Mining review . MARTINS QUARRY.. Photos, by Government Geologist.BANGOR QUARRY. Faces page 32.] 33 about 45ft. S. from No. 1, has been sunk 18ft. vertically. At that depth it holedthrough to the back of the S. drive. Over the drive between the two shafts a fairamount of stoping has been done in a ferruginous ore body 3ft. to 6ft. wide, carryinggold. Several parcels of ore taken from the workings have been treated atthe Government Cyanide Works, Petersburg, yielding from 14dwts. to 15dwts.of gold per ton. At a point 43ft. in the S. drive a winze is in progress, and is down17ft. The ore-bearing Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/mining-review-martins-quarry-photos-by-government-geologistbangor-quarry-faces-page-32-33-about-45ft-s-from-no-1-has-been-sunk-18ft-vertically-at-that-depth-it-holedthrough-to-the-back-of-the-s-drive-over-the-drive-between-the-two-shafts-a-fairamount-of-stoping-has-been-done-in-a-ferruginous-ore-body-3ft-to-6ft-wide-carryinggold-several-parcels-of-ore-taken-from-the-workings-have-been-treated-atthe-government-cyanide-works-petersburg-yielding-from-14dwts-to-15dwtsof-gold-per-ton-at-a-point-43ft-in-the-s-drive-a-winze-is-in-progress-and-is-down17ft-the-ore-bearing-image339234746.htmlRM2AKWDAJ–Mining review . MARTINS QUARRY.. Photos, by Government Geologist.BANGOR QUARRY. Faces page 32.] 33 about 45ft. S. from No. 1, has been sunk 18ft. vertically. At that depth it holedthrough to the back of the S. drive. Over the drive between the two shafts a fairamount of stoping has been done in a ferruginous ore body 3ft. to 6ft. wide, carryinggold. Several parcels of ore taken from the workings have been treated atthe Government Cyanide Works, Petersburg, yielding from 14dwts. to 15dwts.of gold per ton. At a point 43ft. in the S. drive a winze is in progress, and is down17ft. The ore-bearing
Report of the State Mineralogist . nel 800 feet to vein, with drift south 900 feeton vein. Then winze sunk from this level (7th level) to the 1000-footlevel. The ore that averages 15 to 20% lead, and 6 to 10 ozs. silver,shipped to smelter of American Smelting and Refining Company, Gar-field. Utah. Ore running from 3 to 6 ozs. silver and 5% lead goes to INYO COUNTY. 287 concentration plant at Tecopa. All mining is done by hand. Fifteenmen employed. Adjoins the Noonday Mine, owned and operated bythe same company. Owners, Tecopa Consolidated Mining Company, L. D. Godschall, vicepresident and gene Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/report-of-the-state-mineralogist-nel-800-feet-to-vein-with-drift-south-900-feeton-vein-then-winze-sunk-from-this-level-7th-level-to-the-1000-footlevel-the-ore-that-averages-15-to-20-lead-and-6-to-10-ozs-silvershipped-to-smelter-of-american-smelting-and-refining-company-gar-field-utah-ore-running-from-3-to-6-ozs-silver-and-5-lead-goes-to-inyo-county-287-concentration-plant-at-tecopa-all-mining-is-done-by-hand-fifteenmen-employed-adjoins-the-noonday-mine-owned-and-operated-bythe-same-company-owners-tecopa-consolidated-mining-company-l-d-godschall-vicepresident-and-gene-image339083903.htmlRM2AKJGYB–Report of the State Mineralogist . nel 800 feet to vein, with drift south 900 feeton vein. Then winze sunk from this level (7th level) to the 1000-footlevel. The ore that averages 15 to 20% lead, and 6 to 10 ozs. silver,shipped to smelter of American Smelting and Refining Company, Gar-field. Utah. Ore running from 3 to 6 ozs. silver and 5% lead goes to INYO COUNTY. 287 concentration plant at Tecopa. All mining is done by hand. Fifteenmen employed. Adjoins the Noonday Mine, owned and operated bythe same company. Owners, Tecopa Consolidated Mining Company, L. D. Godschall, vicepresident and gene
Mineral resources . ive copper. At 170 feet copper and iron pyrites occur in soft slate;signs of enrichment visible in the black powdery subsulphide coating, chalco-pyrite. The gross weight of ore despatched by the discoverer totalled 63^4 tons,and returned an average of 28 per cent, of copper. About 17 tons of dressed ore at mine about 10 per cent, grade, seconds2 to 3 per cent. In 1909 development work was carried on, but owing to the great influxof water while sinking a winze work was temporarily discontinued. About46 tons of ore were disposed of to the Great Cobar, Limited, from which 4%to Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/mineral-resources-ive-copper-at-170-feet-copper-and-iron-pyrites-occur-in-soft-slatesigns-of-enrichment-visible-in-the-black-powdery-subsulphide-coating-chalco-pyrite-the-gross-weight-of-ore-despatched-by-the-discoverer-totalled-634-tonsand-returned-an-average-of-28-per-cent-of-copper-about-17-tons-of-dressed-ore-at-mine-about-10-per-cent-grade-seconds2-to-3-per-cent-in-1909-development-work-was-carried-on-but-owing-to-the-great-influxof-water-while-sinking-a-winze-work-was-temporarily-discontinued-about46-tons-of-ore-were-disposed-of-to-the-great-cobar-limited-from-which-4to-image338151775.htmlRM2AJ4413–Mineral resources . ive copper. At 170 feet copper and iron pyrites occur in soft slate;signs of enrichment visible in the black powdery subsulphide coating, chalco-pyrite. The gross weight of ore despatched by the discoverer totalled 63^4 tons,and returned an average of 28 per cent, of copper. About 17 tons of dressed ore at mine about 10 per cent, grade, seconds2 to 3 per cent. In 1909 development work was carried on, but owing to the great influxof water while sinking a winze work was temporarily discontinued. About46 tons of ore were disposed of to the Great Cobar, Limited, from which 4%to
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. with an average value of $3.60 per ton. Workhas been opened up through two vertical shafts, main working shaftbeing the Cross shaft with a depth of 1470 feet; 1100 feet north ofCross shaft on 1400-foot level winze 700 feet deep to 2100-foot level; CALAVERAS COUNTY. Ill 1600-foot crosscut from 1500-foot level connects Utica workings withGold Cliff workings on 2400-foot level. The Stickles shaft, which hasa depth of 1000 feet, is used only for lowering timbers; also as ^nemerge Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/appendix-to-the-journals-of-the-senate-and-assembly-of-the-session-of-the-legislature-of-the-state-of-california-with-an-average-value-of-360-per-ton-workhas-been-opened-up-through-two-vertical-shafts-main-working-shaftbeing-the-cross-shaft-with-a-depth-of-1470-feet-1100-feet-north-ofcross-shaft-on-1400-foot-level-winze-700-feet-deep-to-2100-foot-level-calaveras-county-ill-1600-foot-crosscut-from-1500-foot-level-connects-utica-workings-withgold-cliff-workings-on-2400-foot-level-the-stickles-shaft-which-hasa-depth-of-1000-feet-is-used-only-for-lowering-timbers-also-as-nemerge-image337063370.htmlRM2AGAFNE–. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. with an average value of $3.60 per ton. Workhas been opened up through two vertical shafts, main working shaftbeing the Cross shaft with a depth of 1470 feet; 1100 feet north ofCross shaft on 1400-foot level winze 700 feet deep to 2100-foot level; CALAVERAS COUNTY. Ill 1600-foot crosscut from 1500-foot level connects Utica workings withGold Cliff workings on 2400-foot level. The Stickles shaft, which hasa depth of 1000 feet, is used only for lowering timbers; also as ^nemerge
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. y 100 feet, to the 700-foot level. Winze 200 feet deep on 700-footlevel north of shaft. Steam hoist and 20-stamp mill on the property.Idle. Andrew McCormick, of Stockton, owner. Green Mine (quartz). Located 3 miles northeast of Confidence, onridge north of the north fork of the Tuolumne River. The strike ofvein is north and south, dip 30° E., in granodiorite. There is a shaft400 feet deep on vein. Steam hoist and 10-stamp mill on property.Idle. Thos. Magee & Sons., of San Fra Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/appendix-to-the-journals-of-the-senate-and-assembly-of-the-session-of-the-legislature-of-the-state-of-california-y-100-feet-to-the-700-foot-level-winze-200-feet-deep-on-700-footlevel-north-of-shaft-steam-hoist-and-20-stamp-mill-on-the-propertyidle-andrew-mccormick-of-stockton-owner-green-mine-quartz-located-3-miles-northeast-of-confidence-onridge-north-of-the-north-fork-of-the-tuolumne-river-the-strike-ofvein-is-north-and-south-dip-30-e-in-granodiorite-there-is-a-shaft400-feet-deep-on-vein-steam-hoist-and-10-stamp-mill-on-propertyidle-thos-magee-sons-of-san-fra-image337060520.htmlRM2AGAC3M–. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. y 100 feet, to the 700-foot level. Winze 200 feet deep on 700-footlevel north of shaft. Steam hoist and 20-stamp mill on the property.Idle. Andrew McCormick, of Stockton, owner. Green Mine (quartz). Located 3 miles northeast of Confidence, onridge north of the north fork of the Tuolumne River. The strike ofvein is north and south, dip 30° E., in granodiorite. There is a shaft400 feet deep on vein. Steam hoist and 10-stamp mill on property.Idle. Thos. Magee & Sons., of San Fra
. The copper resources of California. n Jose has a cross-cut tunnel 170 feet long. Threewinzes from this tunnel, respectively 40, 80, and 115 feetdeep, show an ore shoot 65 feet long and 4 feet wide. The115-foot winze shows good ore from top to bottom. The oreat the bottom is ^% feet wide. The hanging and foot wallsappear to be about 700 feet apart; for that distance the samevein formation of meta-diabase (schistose rock and talcose.schist), ironstone, and quartz appear, as in other places. The Stonewall Jackson shows on the surface croppings of MARIPOSA COUNTY—COPPER CLAIMS. 209 quartz carn-i Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-copper-resources-of-california-n-jose-has-a-cross-cut-tunnel-170-feet-long-threewinzes-from-this-tunnel-respectively-40-80-and-115-feetdeep-show-an-ore-shoot-65-feet-long-and-4-feet-wide-the115-foot-winze-shows-good-ore-from-top-to-bottom-the-oreat-the-bottom-is-feet-wide-the-hanging-and-foot-wallsappear-to-be-about-700-feet-apart-for-that-distance-the-samevein-formation-of-meta-diabase-schistose-rock-and-talcoseschist-ironstone-and-quartz-appear-as-in-other-places-the-stonewall-jackson-shows-on-the-surface-croppings-of-mariposa-countycopper-claims-209-quartz-carn-i-image336697117.htmlRM2AFNTH1–. The copper resources of California. n Jose has a cross-cut tunnel 170 feet long. Threewinzes from this tunnel, respectively 40, 80, and 115 feetdeep, show an ore shoot 65 feet long and 4 feet wide. The115-foot winze shows good ore from top to bottom. The oreat the bottom is ^% feet wide. The hanging and foot wallsappear to be about 700 feet apart; for that distance the samevein formation of meta-diabase (schistose rock and talcose.schist), ironstone, and quartz appear, as in other places. The Stonewall Jackson shows on the surface croppings of MARIPOSA COUNTY—COPPER CLAIMS. 209 quartz carn-i
Report of the State Mineralogist . About 600 feet south of shafton this level, a winze has been sunk on incline to depth of 250 feet. Atdepth of 200 feet in this winze ore was cut off by fault slip, which dips45 degrees west. This ore body has recently been picked up about 50feet above this level. Ore reported to carry high silver and lead values.Ore hoisted from winze by 15-h.p. gas engine, then trammed to ore pocketin main shaft on tunnel level. Hoisted by 20-h.p. gas engine. Orecarrying values of 8 to 10 ozs. silver and 15 to 20% lead shipped toAmerican Smelting and Refining Companys Smelte Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/report-of-the-state-mineralogist-about-600-feet-south-of-shafton-this-level-a-winze-has-been-sunk-on-incline-to-depth-of-250-feet-atdepth-of-200-feet-in-this-winze-ore-was-cut-off-by-fault-slip-which-dips45-degrees-west-this-ore-body-has-recently-been-picked-up-about-50feet-above-this-level-ore-reported-to-carry-high-silver-and-lead-valuesore-hoisted-from-winze-by-15-hp-gas-engine-then-trammed-to-ore-pocketin-main-shaft-on-tunnel-level-hoisted-by-20-hp-gas-engine-orecarrying-values-of-8-to-10-ozs-silver-and-15-to-20-lead-shipped-toamerican-smelting-and-refining-companys-smelte-image339082109.htmlRM2AKJEK9–Report of the State Mineralogist . About 600 feet south of shafton this level, a winze has been sunk on incline to depth of 250 feet. Atdepth of 200 feet in this winze ore was cut off by fault slip, which dips45 degrees west. This ore body has recently been picked up about 50feet above this level. Ore reported to carry high silver and lead values.Ore hoisted from winze by 15-h.p. gas engine, then trammed to ore pocketin main shaft on tunnel level. Hoisted by 20-h.p. gas engine. Orecarrying values of 8 to 10 ozs. silver and 15 to 20% lead shipped toAmerican Smelting and Refining Companys Smelte
Bulletin . winze to the chuteon #10 level. It was stated that the dump ore cost 85^ per ton placedin #10 level chute. One shift (day) only was worked here. This out-side ore supply will continue to be drawn upon except during wintermonths, when two shifts will be worked underground. An aerial tram-way 3500 long is being installed between #5 level and the furnace 8—38540 114 CALIFORNIA STATE MINING BUREAT. terminal of the San Carlos tram, being of the same type and size ofbuckets as the San Carlos installation. AVith this tramway in oper-ation, this surface ore will be moved at even a cheaper c Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/bulletin-winze-to-the-chuteon-10-level-it-was-stated-that-the-dump-ore-cost-85-per-ton-placedin-10-level-chute-one-shift-day-only-was-worked-here-this-out-side-ore-supply-will-continue-to-be-drawn-upon-except-during-wintermonths-when-two-shifts-will-be-worked-underground-an-aerial-tram-way-3500-long-is-being-installed-between-5-level-and-the-furnace-838540-114-california-state-mining-bureat-terminal-of-the-san-carlos-tram-being-of-the-same-type-and-size-ofbuckets-as-the-san-carlos-installation-avith-this-tramway-in-oper-ation-this-surface-ore-will-be-moved-at-even-a-cheaper-c-image342664501.htmlRM2AWDM1W–Bulletin . winze to the chuteon #10 level. It was stated that the dump ore cost 85^ per ton placedin #10 level chute. One shift (day) only was worked here. This out-side ore supply will continue to be drawn upon except during wintermonths, when two shifts will be worked underground. An aerial tram-way 3500 long is being installed between #5 level and the furnace 8—38540 114 CALIFORNIA STATE MINING BUREAT. terminal of the San Carlos tram, being of the same type and size ofbuckets as the San Carlos installation. AVith this tramway in oper-ation, this surface ore will be moved at even a cheaper c
Canadian mining journal July-December 1915 . ted Reserve to Ore in Sight by DiamondCore Drilling. HE mine manager can bore several diamond drillboles for the expense of a single drift, winze or raise. He can change estimated reserve to u ore insight by consistent diamond drilling—thus placingthe financial status of the property on a firmer basis.He can control the direction and amount of develop-ment without unproductive labor or expense. A prime consideration in consistent, accurate Sullivan S Diamond Drill at work underground, rliorvinnrl A vi 11 ii r> cr ioin a Cobalt, Ontario, silver mi Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/canadian-mining-journal-july-december-1915-ted-reserve-to-ore-in-sight-by-diamondcore-drilling-he-mine-manager-can-bore-several-diamond-drillboles-for-the-expense-of-a-single-drift-winze-or-raise-he-can-change-estimated-reserve-to-u-ore-insight-by-consistent-diamond-drillingthus-placingthe-financial-status-of-the-property-on-a-firmer-basishe-can-control-the-direction-and-amount-of-develop-ment-without-unproductive-labor-or-expense-a-prime-consideration-in-consistent-accurate-sullivan-s-diamond-drill-at-work-underground-rliorvinnrl-a-vi-11-ii-rgt-cr-ioin-a-cobalt-ontario-silver-mi-image338934577.htmlRM2AKBPE9–Canadian mining journal July-December 1915 . ted Reserve to Ore in Sight by DiamondCore Drilling. HE mine manager can bore several diamond drillboles for the expense of a single drift, winze or raise. He can change estimated reserve to u ore insight by consistent diamond drilling—thus placingthe financial status of the property on a firmer basis.He can control the direction and amount of develop-ment without unproductive labor or expense. A prime consideration in consistent, accurate Sullivan S Diamond Drill at work underground, rliorvinnrl A vi 11 ii r> cr ioin a Cobalt, Ontario, silver mi
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. e ofgreat length, varying in width from a few inches to 20 feet. The veinis usually of a banded structure and exhibits a branching tendencywith many spurs running into the hanging-wall. Main shaft sunk inhanging-wall slates 2400 feet vertical, cutting vein at 1200-foot level,and the footwall of vein at 1245 feet. Winze 450 feet south of mainshaft on 2400-foot level, having a depth of 450 feet. CALAVERAS COUNTY. 85 Equipment: 118-foot steel head-frame, three 80 h.p. horizontal Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/appendix-to-the-journals-of-the-senate-and-assembly-of-the-session-of-the-legislature-of-the-state-of-california-e-ofgreat-length-varying-in-width-from-a-few-inches-to-20-feet-the-veinis-usually-of-a-banded-structure-and-exhibits-a-branching-tendencywith-many-spurs-running-into-the-hanging-wall-main-shaft-sunk-inhanging-wall-slates-2400-feet-vertical-cutting-vein-at-1200-foot-leveland-the-footwall-of-vein-at-1245-feet-winze-450-feet-south-of-mainshaft-on-2400-foot-level-having-a-depth-of-450-feet-calaveras-county-85-equipment-118-foot-steel-head-frame-three-80-hp-horizontal-image337064702.htmlRM2AGAHD2–. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. e ofgreat length, varying in width from a few inches to 20 feet. The veinis usually of a banded structure and exhibits a branching tendencywith many spurs running into the hanging-wall. Main shaft sunk inhanging-wall slates 2400 feet vertical, cutting vein at 1200-foot level,and the footwall of vein at 1245 feet. Winze 450 feet south of mainshaft on 2400-foot level, having a depth of 450 feet. CALAVERAS COUNTY. 85 Equipment: 118-foot steel head-frame, three 80 h.p. horizontal
Report of the State Mineralogist . floor of the north3500-ft. drift a depth of 105 ft. and a level driven at a depth of 85ft. For 50 feet north of winze and 80 feet south of it, this level wasin $20 ore or better. This shoot was 1 to 2 feet wide on the 3425 level;7 feet wide on the 3500 level and 14 feet wide on the winze level, 410 MINES AND MINERAL RESOURCES. but widened to 21 feet and improved in grade north of the winze.Other possible oreshoots were indicated but not explored on both foot-wall and hanging Avail. During 1919 there was heavy expense onaccount of repairing pumps, shaft, drift Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/report-of-the-state-mineralogist-floor-of-the-north3500-ft-drift-a-depth-of-105-ft-and-a-level-driven-at-a-depth-of-85ft-for-50-feet-north-of-winze-and-80-feet-south-of-it-this-level-wasin-20-ore-or-better-this-shoot-was-1-to-2-feet-wide-on-the-3425-level7-feet-wide-on-the-3500-level-and-14-feet-wide-on-the-winze-level-410-mines-and-mineral-resources-but-widened-to-21-feet-and-improved-in-grade-north-of-the-winzeother-possible-oreshoots-were-indicated-but-not-explored-on-both-foot-wall-and-hanging-avail-during-1919-there-was-heavy-expense-onaccount-of-repairing-pumps-shaft-drift-image339073540.htmlRM2AKJ3N8–Report of the State Mineralogist . floor of the north3500-ft. drift a depth of 105 ft. and a level driven at a depth of 85ft. For 50 feet north of winze and 80 feet south of it, this level wasin $20 ore or better. This shoot was 1 to 2 feet wide on the 3425 level;7 feet wide on the 3500 level and 14 feet wide on the winze level, 410 MINES AND MINERAL RESOURCES. but widened to 21 feet and improved in grade north of the winze.Other possible oreshoots were indicated but not explored on both foot-wall and hanging Avail. During 1919 there was heavy expense onaccount of repairing pumps, shaft, drift
S.Amining and engineering journal . e drive west from No. .3 W. winze is nowjust opposite No. 4 shaft. There is some ore in the face andthe Average value will be about 10 per cent, over 5 feet..t the eighth level in a winze from No. 6 W. cross-cut at.) feet down there is some pyritic ore showing the averagevalue being 1.) per cent, over Ft feet width. In the footwallportion to the east the raise is up 27 feet and the winze down24 feet. There is a little reef showing in the raise at 2> feet,the value being 102 per cent, over r> feet width. In thewinze at 10 feet and 15 feet depth the val Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/samining-and-engineering-journal-e-drive-west-from-no-3-w-winze-is-nowjust-opposite-no-4-shaft-there-is-some-ore-in-the-face-andthe-average-value-will-be-about-10-per-cent-over-5-feett-the-eighth-level-in-a-winze-from-no-6-w-cross-cut-at-feet-down-there-is-some-pyritic-ore-showing-the-averagevalue-being-1-per-cent-over-ft-feet-width-in-the-footwallportion-to-the-east-the-raise-is-up-27-feet-and-the-winze-down24-feet-there-is-a-little-reef-showing-in-the-raise-at-2gt-feetthe-value-being-102-per-cent-over-rgt-feet-width-in-thewinze-at-10-feet-and-15-feet-depth-the-val-image339362012.htmlRM2AM37KT–S.Amining and engineering journal . e drive west from No. .3 W. winze is nowjust opposite No. 4 shaft. There is some ore in the face andthe Average value will be about 10 per cent, over 5 feet..t the eighth level in a winze from No. 6 W. cross-cut at.) feet down there is some pyritic ore showing the averagevalue being 1.) per cent, over Ft feet width. In the footwallportion to the east the raise is up 27 feet and the winze down24 feet. There is a little reef showing in the raise at 2> feet,the value being 102 per cent, over r> feet width. In thewinze at 10 feet and 15 feet depth the val
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