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| Above cut shows Gates Standard Breaker, with Main Shaft and ' MINING MACHINERY CRUSHERS and PULVERIZERS...--! -: "'i n i MINING MRGMINERY. SILVER MILLS, GOLD MILLS, ROCK BREAKERS. PANS AND SETTLERS, ROASTING...Perforated Metals MICH. - MANUFACTURERS OF COPPER- CONCENTRATORS, JIGS,TROMMELLS, ORE AND COAL WASHERS...Assays anil .Viialysis of (!oICopper, Iron. Tin and other ...for \u:ii;iii\G Axn sajipil\g of car wad lots u SAMPLES MAV BE SENT BY Chicago ami \i(i\itv. OR |
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| Wyoming 82071 (307) 766·2286 Front Cover - Wyoming gold. Gold buttons in the prospector's pan were recovered...by Dean Farris from mine dump waste in the Gold Hill district. The actual diameter of the button in the...the lower left is approximately ',4 inch. (Gold photographed by Alan J. VerPloeg; drawing by Phyllis A... . . . . . . . . . . . . . . . . . . . Kirwin district . . . . . . , . . . . . . . . . . . . . . . ....City) district .. . . . . . . . . . . . . . . . . . . . . . . . . 13 16 Stinkingwater district . . |
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| 1947 For sale by the Superintendent of Documents, U. S. Government Printing Office, Washington 25, D................................ Granite along the Copper Dick fault............................ 35 35 37...associated folds Monoclinal block south of the Copper Dick fault ........................................................... Drag folding against the Copper Dick fault Folding of the Miocene (?) volcanic...the faults.................................... Copper Dick fault.................................... |
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| concentration of metallic values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum, mercury...to suit all of your requirements. Gt. Falls Type Copper Converter Worthington Pump and Machinery Corporation...THE ANACONDA COPPER MINING Co., WHOSE BUTTE MlNES YIELD 10% OF THE WORLD'S COPPER SUPPLY. (...EDITION THE MINES HANDBOOK AN ENLARGEMENT THE COPPER OF HANDBOOK Founded by Horace J. Stevens, 1900...WALTER Former HARVEY WEED, E.M. Geologist in the U. S. Geological Survey, 1883-1906; Member Institution |
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| visitors, interested to see how rock have the yellow gold extracted therefrom, and how cleverly the little...val- Through this trough-like depression extends a gold belt reaching a distance of fifteen miles from the...and of greatly varying size. The gold-bearing quartz of the district is associated with these dykes, usually...Street, San Francisco, J. F. S. F. Some Coast Gold $3 00 4 00 Postoffiee as second-class mall matter...Mine of Salt Spring Spring Valley, Cal., 1. Coast Gold Yield in '99; What is Alluvial? Decision of the |
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| Economic Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=)...1208 * Economic Geology of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________..._------------------Saver............_._._ 1. . Copper-___----______-_-------_-_------__--------------__Pitchblende...uranium sulfate minerals.__-____..__.____._________ Copper sulfate minerals____________________________________ |
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| Geologist C. A. C. Logan, District Mining Engineer McK. Laizure, District W. Burling Tucker, Reid ...Engineer District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averill, District Mining...REPORTS OF DISTRICT MINING ENGINEERS 7 Redding Field District 7 Sacramento Field District 7 Gold Mines...County 7 San Francisco Field District 07 Los Angeles Field District 97 GEOLOGIC BRANCH 98 Current...possibilities, and developments). REPORTS OF DISTRICT MINING ENGINEERS In 1919-1920 the Mining Bureau |
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| S. Geological Survey. Al (Adams Cr.) Gold Nome district MF-445, loc. 88 Solomon (4.1, 12.45) 64°42'N...terrane; flows across belt of limestone. 50-60 oz gold recovered in 1900. Magnetite and garnet in concentrates...probably an error. (Adventuress Cr.) Gold Kougarok district MF-445, loc. 42 Solomon (3.2, 15.25) 64°52'N...probably worked out before 1908. (Aggie Cr.) Gold Council district MF-445, loc. 125 Solomon (13.25-13.5,...aerial photos taken in 1950. More than 300 kg of gold mined from Aggie and Mystery (trib. Niukluk R.) |
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| prospect . . . . . . . . . . 27. Tracy Arm zinc-copper prospect . . . . . . . 28. Sumdum Glacier mineral...Sumdum copperzinc prospect and Tracy Arm 29. Sumdum copper-zinc prospect 30. Powers Creek stained zone . ...silver-gold prospect 36. Iron-stained zones near the International Boundary . 37. Meigs Peak gold-zinc...in 1975. Approximately 680,400 g (24,000 oz) of gold and probably a similar quantity of silver were produced...study has identified two areas with important gold, copper, zinc, and silver resources within this belt |
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| exploitation and op- brought $ 1.29 an ounce and when gold, in prevails that, in time to come, better and...-roots. The discovery of the Howell reads al district has been not most like a romance . ed for its...panic of 1907 ; period when Little Cottonwood district was There is always a feeling of mystery and but...Howell then wild and wooley west, when silver district, and especially so when the opinion would be one...that LAKE MINING REVIEW , APRIL the the old shaft should have reached the tun- wonderful Cardiff |
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| zcv >- IIMDEX: Page. of Costa Rica Abanearez Gold Fields 206, 358, 511, 666, 1032 833 **2, 34, ...mine, Arizona Accident Gold Mining Co., Subil mine, French Gulch, Rules, Copper California Accidents...California . . . . . . Aerolites Africa, copper In Central Phosphate , Agitation Slime i; •...Agricola: an apreciatlon. On fissure veins i Ahmeek Copper Mining . . . Co., . .F. . . 620 386 366...906 Fairbanks district output 1913 945 Fairbanks distrtot sts^mp-raiUs 341 Fineness of gold ati Lift, |
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| keynote of the dramatic recovery of uranium from gold-mine tailings now under way in the Union of South... High-Face December Jumbo 1955—Engineering Shaft Jumbo and Mining Journal Be Tractor Jumbo ...lishing “ten Tne. Re iiensy: Chicago 11. Wiles, G Mack; U.8,A, al Fighte secswved in the Engineering posit...haulage way. Model FX Power Pump in Canadian Model gold operated mine for de-watering service. FD-FS...two mobiles and make. Since the purchase why— copper mine operator pur- Joy rubber-tired, self-propelled |
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| g Scientific Press December, July to 121 n u u Page Page Acme Motor Truck Co .Resume Adam, H... 327 Agnew, John A .... 89S Editorial Co Alaska Gold Mines Editorial .... 475 Alaska Treadwell .... 441...C. A 232 cages 645 Allis-Chalmers Mfg. Co. 145 Copper converters Advertiser and the editor W correspondence...Lubricants, book review L. B. Lockhart Amprican-made gold-dred?e for New Zealand . . . . . . . . ...823 324 . . . . Operations of Consolidated Gold Fields of South 881 Africa 747 American Mining Congress |
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| Geologist C. A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Francisco - District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averill, District Mining...Francisco San Francisco TABLE OF CONTENTS REPORTS OF DISTRICT MINING ENGINEERS Page 1 Sacramento Field Division...Angeles Field Division 1 Redding Field Division 3 Gold Deposits of the Redding and Weaverville Quadrangles...mining activities of the State, prepared by the district mining engineers are given. Special articles dealing |
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| ............................................... Gold ores................................................................................ 50 Zinc and copper ores ........................................................................................ 51 Gold ............................... ......... Mining.................................... -52 31 Cynide Gold Nining Company ..................:.................................................... 60 Boulder Gold Mining Company ................................ |
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| Office, 42 Broadway PURCHASERS OF Gold , Silver, Lead and Copper Ores ORE PURCHASING DEPARTMENT SMELTING...Kearns Building, Salt Lake City REFINERIES Raritan Copper Works, Perth Amboy, N. J. International Lead Refining...MINING PROPERTY OF THE Gold Springs Mining and Power Company Property located at Gold Springs, Utah NOTICE...OF SALE. IN THE DISTRICT UNITED STATES COURT IN AND OF FOR THE THE DISTRICT OF UTAH , MASTER'S...Trust Company , a corporation , plaintiff, vs. Gold Springs Mining & Power Company , a corporation |
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| ^ Wl'tT* If-lff' '*I!T*K^lr' U^iv,oi BIBDHG LIST OCT 1 1922; \v INDEX TO VOLUME : . Mining...Co Zinc. Lead & Smelting Co . . . . . . Copper Mining Co 199, 144 227 405 90 307 331 16S 60...219 Ditto 370 Cone classifier regulator 62 Congo copper 6U Consolidated Goldfields of South Africa, company...Conference, Inc 18 C. T. Hutchinson .... 215 Editorial. Copper company, the oldest 291 Kalb. C. De In the Sierra...Pneumatic Tool Co 71 Chihuahua & Oriente R. R 25 Chile Copper Co 61 371 China, nuicksilver mining in 210 Christie |
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| ·········································-····· Gold and silver ····································...deposit in a breccia pipe, possibly with additional gold and silver, or a disseminated molybdenum deposit...Metals associated with the veins are copper, lead, zinc, silver, and gold. The veins have been intensively... bring additional thousands of people into the region. Burgeoning land development on INTRODUCTION'...troughline and direction of plunge - - - - FAULT-U, upthrown block; D. downthrown block FIGURE 1.-Part |
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| Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE...Kibler, 1918. Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A...Kibler, 1918Economic geology of the Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology...Economic-Colorado-Central City district. 2. Ore-deposits-Colorado-Central City district. 3. Mines and mineral...mineral re. sources-Colorado-Central City district. I. Drake, Avery Ala, 1927joint author. II. Tooker, Edwin |
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| REPORT 19i6 Nines and Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions...Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front Range...the region iu~ west ct iioulder southwestward across the Front Range. From 1859, when placer gold was...was discovered in Idaho Springs and lode gold in Central City, through 1959, ores valued at about $200 million...west, and southwest. The adjacent Central City district, which produced ores valued at more than $100 |
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| Taylor 9294. Columbia WEibeck Lansdowne; District Canada 3624, cable Advertisement Hopkin EUROPEAN...to lease the land. Incentive Payment Plans for Gold Meet Opposition From Executive Branch. . . The mittee...authorize federal incentive payments to domestic gold producers. The report of the Department.ot Interior...that would establish or imply a second price for gold, different from the $35 per ounce price now in effect...bill (H. R. 6375) would result in a Situation that gold costing the government $70 an ounce would be offered |
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| metals-------------------------------------------- 43. Gold and silver----------------------------------------...discovery of a molybdenum-copper deposit in a breccia pipe, po.ssibly with additional gold and silver, or a disseminated...Metals associated with the veins are copper, lead, zinc, silver, and gold. The veins have been intensively... bring additional thousands of people into the region. Burgeoning land development on the east flank...d U,. upthro"'n blocK D = downthrol"u I> F~u |
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| . . . . . . . . . . . . . . . . . 37 Tyrone district . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 42 Tyrone copper . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . 52 Copper Mountain-Liberty Bell . . . . . . . . . . . . .... . . . . . . . . . . . . . 73 White Signal district . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 111 Malone district . . . . . . . . . . . . . . . . . . . . . . . |
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| "\VALCOTT, DIRECTOR GEO LOGY AND GOLD DEPOSITS OF THE CRIPPLE CREEK DISTRICT, COLORADO BY \V ALDEl\;IAR... . . . . . . . First geological survey of the district .............................. _• . . . . . ..................... Geological structure of the district ............... _................... __ .. _...._____________ ........ . 100 Petrology of the district ______________ . _______________________________________________...___ _ 113 Chapter IV. -General mineralogy of the district . _______________ .... ____ .. ______________ |
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| which were opened soon after the discovery of gold in Australia, and which enjoyed a large measure... This field won is to be followed* alluvial gold was first of depression when the was exhausted...that it was here that a reached in an Australian gold-bearing lode, as the result of a reward of £1,000...reward, and that the present outlook for gold mining in this district T have the honor is not more hopeful...General Superintendent of the Gibraltar Consolidated Gold Mines, the writer was instructed in May, 1915, to |
