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| MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...otherwise noted Map of Mining Districts and significant mineral occurrences of Nevada by Nevada Bureau of Mines...Cataloging-in-Publication Data Castor, Stephen B, Minerals of Nevada / Stephen B. Castor and Gregory C. Ferdock.— Ist |
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| MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved...-Publ ication Dat,i Castor, Stephen B. Minerals of Nevada/ Stephen B. Castor and Gregory C. Ferdock.- rst |
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| AND MINERAL DEPOSITS OF THE ORD MOUNTAIN DISTRICT, SAN BERNARDINO COUNTY, CALIFORNIA By F. HAROLD WEBER...Climate, vegetation, and water supply History of mining 20 7 Summary 21 7 Hydrothermal 7 10 Previous...older rocks Triassic(?) 12 12 13 rocks Ord Mountain Group Extrusive _ rocks Keratophyre 1 Age...character and structural features of the veins Ord Mountain fault zone system of veins Northwest area of veins...Greenback prospect Martha prospect ___ 29 29 29 29 Mary prospect 31 Moly prospect Ord Mountain mine |
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| drainage in the Animas River watershed, San Juan County, Colorado Com piled by Stanley E. Church1 Open-File...............................1-1 Chapter 2. Pre-mining bed sediment geochemical baseline in the Animas...Comparison of two leach procedures applied to metal-mining related wastes in Colorado and Montana and a relative...Natural versus mining-related water quality degradation to tributaries draining Mount Moly, Silverton, Colo...in which these water interact. Quartz-sericite-pyrite, quartz-alunite, and argillic alteration assemblages |
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| commonly accessible by known methods of underground mining. Details of the assessment follow. SUMMARY The...Area has been the site of mineral exploration and mining activity for a variety of minerals for much of...00' 0 10 20 30 KILOMETERS 117°00' |||| mountain ranges 116°00' INDEX MAP Figure 1. Location...Area, southern California showing location of mountain ranges, military reservations, and national monuments...Area has been the site of mineral exploration and mining activity for a variety of minerals for much of |
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| Intrusive and extrusive alkaline rocks of the Lincoln County porphyry belt by Theodore J. Armbrustmacher 4...Buckles and northeast-trending faults Roosevelt County fault Alamosa Creek fault Karst................................... Pre-Permian rocks of Lincoln County....................... Pre-Permian rocks of the............................................ Cub Mountain Formation............................................................................. Lincoln County porphyry belt................................ Igneous |
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| center of the booming White Oaks gold district, Lincoln County, N. Mex. Gold was probably the first metallic...commodity to be commercially mined in the Lincoln County porphyry belt and has the highest production value...Intrusive and Extrusive Alkaline Rocks of the Lincoln County Porphyry Belt, by Theodore J. Armbrustmacher ..................................... .. Roosevelt County Fault. ............................................... . Pre-Permian Paleozoic Rocks of Lincoln County ................................. . Pre-Permian |
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| .............................................6 MINING HISTORY .........................................Plan ..... Titles map DME plan ....... Topo map County map Parish map ∗ Annual Report of the Department...on mines and prospects. Australian Mining Standard. A weekly mining newspaper which commenced about 1883...map showing current mining and exploration titles. A registered plan showing mining titles prepared by...Mineral Resources. Topographic map Old system of county and parish maps showing notations concerning mineral |
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| sessions at the 41st Annual Meeting of the Rocky Mountain Section, Geological Society of America, Sun Valley...1988), and on December 7, 1989, at the Northwest Mining Association 95th Annual Convention and Trade Show...the Mineral Hill and Warm Springs mining districts, Blaine County, Idaho: Idaho Bureau of Mines and Geology...Deposits in the Lake Creek Mineralized Area, Blaine County, South-Central Idaho By Bradford R. Burton and...Mineral Deposits in the Washington Basin Area, Custer County, South-Central Idaho By J. Brian Mahoney H. Mineral |
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| orebodies suitable for underground or open cut mining. The Clarence-Moreton Basin and associated underlying...SEDIMENTS ...................................... 34 MINING HISTORY ...................................................................... 75 Kennedy & Co prospect (WN4) ........................................................................ 77 Anomaly 153 prospect (WN8)........................................................................... 85 “M” Ridge prospect (PG95) – Pretty Gully ....................... |
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| mainly on the volcanics in the Milan and Old Speck Mountain quadrangles, north to Canada and southwest to...seafloor, rather than in the conduits. In the Kuroko District in Japan, calculated depths of water are on the...into the plutonic terranes including the White Mountain plutonic rocks of Jurassic-Cretaceous age. Why...volcanic center. Recent studias in the Kuroko district in Japan have revealed that the rhyolite domes...relationship. Also, the recognition in the Kuroko district that virtually all, if not all, the ores there |
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| 16 and 17, Con. XI, Faraday Township, Hastings County, Ontario. ROM:M31141 This specimen was collected...also prospec tors and the exploration staffs of mining companies working in Ontario. This project was...still with the Museum. His growing interest in the pyrite specimens in the collection has been noted and...long hours in the Reference Collection, looking at pyrite specimens. The collection can only benefit from... . . . . . . . . . . . . . . . . . . . . . . . Pyrite . . . . . . . . . . . . . . . . . . . . . . . |
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| and medium- to thick-bedded. Siderite, magnetite, pyrite, and apatite are present in some lithologies. All...name(s): Unnamed (near Gunnuk Creek) Site type: Prospect ARDFno.: PE002 Latitude: 56.989 Quadrangle: PED-6...Mines, 1980; and State of Alaska unpublished Kardex mining claims file). Alteration: Age of mineralization:...Mines, 1980; and State of Alaska unpublished Kardex mining claims file). Production notes: No record of production...name(s): Unnamed (near Big John Bay) Site type: Prospect ARDFno.: PE004 Quadrangle: PE D-5 Latitude: 56 |
