 | | Report (issue) | | MINERAL DEPOSITS Lntroduction Black Canyon Deposits Introduction Black Canyon - Geronimo Deposit Tower-Nancy...Deposit Gloryana-Optimo Deposit REFERENCES Frontispiece . Aerial view of Luis Lopez Mining District...LuisLopezdistricthasbeenthemostproductivemanganese district in New Mexico. Most of the surface exposures... If future exploration and development of the district is to occur, a thorough knowledge of the genesis...the results geochemical reexamination of the district. of this examination will be helpful in the futurewhen |  | | Report (issue) | | .................................... EpIthermal gold deposits..........................................27 32 Illustrations Figure 1. Location map of mining districts in the Reno 1° x 2° quadrangle, Nevada...Table 1. Table 2. Table 3. Known production from mining districts in the Reno 1° x 2° quadrangle, Nevada.............. Occurrences of mineral deposits in mining districts of the Reno 1° x 2° quadrangle, Nevada...for 4 years. This report is a review of the known mining districts within the Reno quadrangle, as well as |  | | Report (issue) | | conglomerate Au-U-Os-Ir Diamond placer (and pipes) Placer gold-PGE (high energy) Placer (medium to low energy)...Geochemical Signature; Examples Asbestos Thetford-Black Lake deposit c\ References Rlordon (1957) Shride...tholeitic to andesitic tuffs and breccias. Locally, black shale, oxide facies iron formation, and red chert...Metal Concentrations Volcanic centers Epithermal gold-silver Mn, Fe, P, (Pb, Ag, Au, Cu) DEPOSIT DESCRIPTION...Geochemical Signature: Examples Talamantes, Mexico Gloryana, New Mexico Sardegna, Italy v References Rocha |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | chromite (1.1) 7 Porphyry copper molybdenum-rich; gold-rich (2.1, 2.2) 9 Molybdenum porphyry climax type;...deposits (4.8) 28 Epithermal gold, quartz-adularia type (5.4) 30 Hot springs gold-silver deposits (5.6) ...deposits 27 13. Epithermal gold, quartz-adularia type 29 14. Hot springs gold-silver deposits 31 ii...mineral deposit types. In addition to new deposits of gold, silver, and platinum group elements, significant...possibilities for the occurrence of bauxite, iron, uranium, gold, diamonds, rare earths, possibly tin and tungsten; |  | | Report (issue) | | William X. Chavez de la New Mexico Institute of Mining and Technology, EUA y Jose Manrique Z. de la 3...("commodity") se presentan con la misma escala; se usa una escala logarftmica para los tonelajes y la mayorfa...Nombre Pals Agnew (Peraerverance) Amax Birch Tree Black Swan Bowden Lake Bucko Discovery Oufflont Forrestania...conocida. EJEMPLOS High Plateau, Del Norte County, USCA Goto Mine, Luzon, PLPN (Wells y otroa, 1946) (LeBlano...3YACIMIENTOS Nombre Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce |  | Doebrich, Jeff L., Albino, G.V., Barker, C.E., Duffield, W.A., Dunn, V.C., Hanna, W.F., McFarlan, J.P., McGuire, D.J., Miller, M.S., Peters, S.G., Plouff, Donald, Raines, G.L., Sawatasky, D.L., Spanski, G.T. (1994) Resource assessment of the Bureau of Land Management's Winnemucca District and Surprise Resource Area, Northwest Nevada and Northeast California. Open-File Report Vol. 1994 (94-712) US Geological Survey doi:10.3133/ofr94712 | Report (issue) | | OF THE BUREAU OF LAND MANAGEMENT'S WINNEMUCCA DISTRICT AND SURPRISE RESOURCE AREA, NORTHWEST NEVADA AND...the Bureau of Land Management's (BLM) Winnemucca District and Surprise Resource Area, an area covering 13...million acre High Rock/Black Rock National Conservation Area), and the impact of mine dewatering on drainage...part of their Resource Management Plan for the District/Resource Area or for other planning units such...Nevada together comprise the BLM's Winnemucca District. The Surprise RA is located in extreme northwest |  | | Report (volume) | | success. An example might be the seeking of additional gold nuggets in a stream in which one nugget had already...U-Au, by Dan L. Mosier 249 Descriptive model of gold on flat faults, by Bruce A. Bouley 251 248 Deposits...Tonnages of komatiitic Ni-Cu deposits 20 Nickel and gold grades of komatiitic Ni-Cu deposits 21 PGE grades...grades of polymetallic replacement deposits 104 Gold grades of polymetallic replacement deposits 104...112 Copper grades Qf porphyry Cu-Au deposits 112 Gold grades of porphyry Cu-Au deposits 113 By-product |  | | Report (issue) | | mineralized areas prior to mining, and conditions that result from mining and mineral processing. Other...as climate, and anthropogenic factors (including mining and mineral processing methods) mostly modify the...exploration, and assessment of abandoned mine lands and mine-site remediation. This compilation presents...are occurrences of a valuable commodity (such as gold or copper) or mineral (such as gems or industrial...from mining, mineral processing, and smelting. For example, the environmental signature of a mine site |  | | Report (issue) | | asbestos 23 Zinc-lead skarn 26 Volcanogenic gold 32 Komatiitic nickel 37 Volcanogenic manganese...manganese 46 Bedded barite 51 Low-sulfide quartz gold 54 Silica-carbonate mercury 59 Hot springs mercury...Carbonate-hosted replacement manganese 68 Platinum-gold placer 73 Sedimentary manganese 81 Marine phosphate-upwelling...and with gold grade (r=0.94, n-5). DEPOSITS Name Agnew (Perseverance) Amax Birch Tree Black Swan Bowden...Bell Mine Belvidere Black Lake British Canadian Caley Carey/East Broughton Cana Brava Cassiar Mine Clinton |
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