 | | Journal (article/letter/editorial) | | Geology, v. 102, pp. 1129–1155 Bald Mountain Gold Mining District, Nevada: A Jurassic Reduced Intrusion-Related...Denver, Colorado 80209 Abstract The Bald Mountain mining district has produced about 2 million ounces...with exhumation made them amenable to open-pit mining and processing using cyanide heap leach methods...methods. Introduction MINERAL DEPOSITS in Nevada account for about 70 percent of the Au produced in the United...Carlin-type Au deposits in the Carlin, Battle Mountain-Eureka, Getchell, and Independence (Jerritt Canyon) |  | | Journal (article/letter/editorial) | | 2003, pp. 1225–1241 Alligator Ridge District, East-Central Nevada: Carlin-Type Gold Mineralization at...Carlin-type deposits in the Alligator Ridge mining district are present sporadically for 40 km along the...ahofstra@usgs.gov 118˚ Nevada Ca † Corresponding 120˚ Ba THE ALLIGATOR RIDGE mining district is in east-central...east-central Nevada, about 115 km south-southeast of Elko and about 100 km northwest of Ely (Figs. 1, 2a).... The gold district is on the southern extension of the northwest-striking, 60-km-long Carlin trend that |  | | Journal (article/letter/editorial) | | CARLIN TREND, NEVADA—A DISCUSSION G. D. LANGSTAFF† 3575 Gypsum Lane, Suite 6, Reno, Nevada 89503 Sir:...1999). An anomaly associated with the Cretaceous, copper-rich Mike deposit has been attributed to an underlying...deposits of the Carlin trend and elsewhere in northern Nevada with Eocene dikes and plutons argues for a genetic...within 3 km of Alligator Ridge (Ilchik, 1990), Bald Mountain (Nutt et al., 2000), Getchell (Berger, 1985)...Barneys Canyon, Melco, Cove, and the Battle Mountain district. Mako (1999) showed that Mercur is younger |  | | Journal (article/letter/editorial) | | OP PAPERS SUBMITTED TO THE MEETING OF THE ROCKY MOUNTAIN SECTION AT SALT LAKE CITY, UTAH, MAY 8-10, 1952...(Black Hills region) and southeastern (Laramie Mountain region) Wyoming. During Middle and Upper Pennsylvanian...sedimentation into Lower Permian. The Laramie Mountain region was a northward prong of this element evidenced...mapped south of the Park City district, Utah, between Bonanza Flat and Pine Creek on the west and Dutch... The faults dip northward under the Park City district, where, if their observed character persists, |  | Arehart, G. B., Chakurian, A. M., Tretbar, D. R., Christensen, J. N., McInnes, B. A., Donelick, R. A. (2003) Evaluation of Radioisotope Dating of Carlin-Type Deposits in the Great Basin,Western North America, and Implications for Deposit Genesis. Economic Geology, 98 (2) 235-248 doi:10.2113/gsecongeo.98.2.235 | Journal (article/letter/editorial) | | of Geological Sciences, University of Nevada, Reno, Reno, Nevada 89557 J. N. CHRISTENSEN, Lawrence Berkeley...Barrick Goldstrike Mines, Inc., P.O. Box 29, Elko, Nevada 89803. 0361-0128/01/3326/235-14 $6.00 deposits...techniques. 114° 42° JC Carlin-type deposits in Nevada GT CT Elko C Reno AB BM 39° Great Basin...deposits in Nevada. Deposits and major prospects are shown by circles. Deposit or district locations mentioned...are as follows: AB = Bald Mountain (includes Alligator Ridge and Bald Mountain); BM = Barneys Canyon |  | | Journal (article/letter/editorial) | | Special Issue Devoted to Gold Deposits in Northern Nevada: Part 2. Carlin-Type Deposits Preface ALBERT H...Economic Geology devoted to gold deposits in northern Nevada. Readers interested in a general overview of these...important to the genesis of gold deposits in northern Nevada and five papers that present detailed studies of...crust below these mineral belts (Howard, 2003), district- to deposit-scale stream sediment and lithogeochemical...al., 2003), and stratigraphy and structure of a district located along a northeast-striking lineament (Peters |  | | Report (issue) | | 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...Weissman, and Sugar White copyright © 2004 unless otherwise noted Map of Mining Districts and significant...significant mineral occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved Manufactured | | | Report (issue) | | 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...Scovil, Storm Sears, Jeffrey Weissman, and Sugar White copyright © 2004 unless o therwise noted Map of...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved |  | | Report (issue) | | AND IN ALL EARLIER LITERATURE ON THE RUBY BASIN DISTRICT. COLOR KEY FOR ALL MAPS IN THIS REPORT Rock....... 45 Mining Districts ....................... 49 4.1 Bald Mountain Mining District ............of the Bald Mountain District ....... 49 4.13. Geology of the Bald Mountain Mining District ... 51...Further Prospecting ........ 96 Carbonate Mining District ................ 97 4.21 Introduction 97...the Carbonate Mining District ..... 97 4.23 Geology of the Carbonate Mining District ..... 97 |  | | Journal (article/letter/editorial) | | variations have been noted in the gazetteer. Where county boundary lines have been changed since a reference...written, the locality has been listed under the county in which it is found today. A fairly extensive...State Bureau of Mines, Tucson, Engineering and Mining Journal, New York, Mineral Technology Series No...(Speech given before the American Associa1: Arizona, Nevada, and New Mexico: Geol. Soc. tion of Petroleum Geologists...letin, No. 585, 1914, 250 pp. the geological and mining literature published through 1949 in compiling |  | | Report (issue) | | CIRCULAR 286 AN OCCURRENCE OF AUTUNITE - LAWRENCE COUNTY, SOUTH DAKOTA UNITED STATES DEPARTMENT OF THE...CIRCULAR 286 AN OCCURRENCE OF AUTUNITE, LAWRENCE COUNTY, SOUTH DAKOTA By R. C. Vickers This report concerns...26, D. C. AN OCCURRENCE OF AUTUNITE, LAWRENCE COUNTY, SOUTH DAKOTA By R. C. Vickers CONTENTS Page Abstract...showing location of the autunite prospect, Lawrence County, S. Dak.................... 3 2. Geologic map and...samples from the autunite occurrence, Lawrence County, S. Dak....................................... |  | | Journal (article/letter/editorial) | | Mineralization in the Getchell and Twin Creeks Deposits, Nevada John A. Groff PII: DOI: Reference: S0169-1368(18)30361-5...Mineralization in the Getchell and Twin Creeks Deposits, Nevada, Ore Geology Reviews (2018), doi: https://doi.org/10...Mineralization in the Getchell and Twin Creeks Deposits, Nevada John A. Groff Department of Earth and Environmental...Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, New Mexico 87801...mineralization in the Getchell and Twin Creeks deposits, Nevada was undertaken to determine the origin(s) of Late-stage |  | | Journal (article/letter/editorial) | | Igneous and Sedimentary Rock Sources in Northern Nevada: Implications for Fluid and Metal Sources* R. M...J. S. CLINE, University of Nevada, 4505 Maryland Parkway, Las Vegas, Nevada 89104 C. MARK FANNING, Research...calcareous rocks around the Carlin trend in northeast Nevada. Petrologically similar rocks host the Getchell...the Carlin trend and from the Jerritt Canyon mining district have Pb isotope characteristics similar to...1990). In some sedimentary rock-hosted deposits in Nevada, this link has been established (Hitchborn et al |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Erica Van Pelt Los Angeles, CA Founder John Sampson White Editing, advertising 4631 Paseo Tubutama Tucson...W. Pinch & J. D. Grice The M eikle m ine, Elko County, N e v a d a ....................................by M. Jensen The Ross H annibal m ine, Lawrence County, South D a k o ta ...............................North Dakota and Washington, and began working as a mining geologist in 1950. During World War II he had served |  | | Report (chapter) | | composition K(Al0.87Fe0.13)3(SO4)2(OH)6 from the Copper Cap uranium prospect, Marysvale, Utah, was reported...Brophy et al. (1962) for the samples from Kopec and Copper Cap are consistent with those of synthetic solids...contents. Alunite from La Escondida, a porphyry copper deposit in northern Chile, is somewhat richer in...La Tolfa, Italy; Marysvale, Utah; and Goldfield, Nevada. La Tolfa is a hot-springs deposit, in which alunite...Cunningham et al. 1984). In contrast, Goldfield, Nevada is a magmatic-hydrothermal, gold‒sulfosalt deposit |  | | Report (issue) | | CONTRIBUTIONS TO THE GOLD METALLOGENY OF NORTHERN NEVADA Richard M. Tosdal editor Open-File Report 98-338-6...Contributions to the gold metallogeny of northern Nevada Preface R.M. Tbsdfl/.............................understanding the crustal structure near the Battle Mountain-Eureka mineral trend from geophysical constraints...Regional crustal structure beneath the Carlin Trend, Nevada, based on deep electrical geophysical measurements...and its relation to gold belts in north-central Nevada: Overview and progress report V.J.S. Grawc/i.. |  | | Report (issue) | | ....................................... Bruce Mountain (2-028).........................................Creek/Dell Creek/Game Creek (4-102).... Munger Mountain (4-103).............................................................................. Pennock Mountain (2-073)................................................................................. Twin Mountain (2-077)................................................................................ Sheep Mountain (2-079)...................................... |  | | Journal (article/letter/editorial) | | Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801...T R A C T Keywords: Carlin-type gold deposits Nevada Huijiabao trend Fluid inclusion gas analysis Carlin-type...Carlin-type gold deposits in north-central Nevada occur in a region that was the locus of igneous and/or...to distinguish different generations of quartz in mining districts with complex origins. 1. Introduction...Introduction Since discovery of the Carlin mine in Nevada in the 1960 s, exploration for Carlin-type deposits has |  | | Report (volume) | | ------..----.--.-.---. 12 Sulphide of silver, copper, and zinc. -...--...-.--..-.-..-........... 12...ARSENIDES. BISMUTHINITB. From the Rosario Mining District, Sinaloa, Mexico. W. I-I. Melville. Described...ore from the mine of the Canadian Copper Company, Sudbury, district of Algoma, Ontario. Specific gravity...From the Silver King mine, Calico, San Bernardino County, Cal. Specific gravity, 6:28. Analysis by W. H...------.--------. 1.55 99.86 SULPHIDE OF SILVER, COPPER, AND ZINC. . Massive, resembling bornite. Apparently |  | | Report (issue) | | OCCURRENCES OF RADIOACTIVE MINERALS IN THE BALD MOUNTAIN GOLD-MINING AREA, NORTHERN BLACK HILLS, SOUTH DAKOTA...OCCURRENCES OF RADIOACTIVE MINERALS IN THE BALD MOUNTAIN GOLD-MINING AREA, NORTHERN BLACK HILLS, SOUTH DAKOTA... OCCURRENCES OF RADIOACTIVE MINERALS EN THE BALD MOUNTAIN GOLD-MINING AREA, NORTHERN BLACK HILLS, SOUTH DAKOTA...of radioactive occurrences, Bald Mountain gold-mining area, Lawrence County, S. Dak ....................... . 2. Analyses of samples from the Bald Mountain gold-mining area ................................ |  | | Report (volume) | | SURVEY GEORGE OTIS SMITH, DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |  | | Report (volume) | | most important were those in the Central City district, Colorado, from which about 300 tons of high-grade...claims, Nevada; the Midnite and Daybreak mines, Washington; the W. Wilson mine, Montana; the White King...deposits in the Dripping Spring quartzite, Gila County, Ariz. According to Nininger (1954, p. 43), as...areas in Saxony; the Beaverlodge district, Canada; the Cornwall district, England; the Guarda and adjacent...United States except for some in the Central City district, Colorado were discovered since the mid-1940's |  | | 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...occurrences of a valuable commodity (such as gold or copper) or mineral (such as gems or industrial minerals)...natural weathering of mineral deposits and from mining, mineral processing, and smelting. For example...generally subordinate controls, such as climate and mining and milling methods, on environmental signatures |  | | Report (issue) | | Professor Edwin H . Oshier, Head of the Department of Mining Engineering, made the photographs included in this...discredited species) NATIVE ELEMENTS Gold Silver Copper Iron Bismuth Selenium Tetradymite Argentite Chalcocite...prospects in the lower Ludlow lignites. Harding County: 1. Abemathyite has been identified as a component...in sec. 27, T22N, R6E, in the Cave Hills area. White, E. W. (I) p 18. 2. Abemathyite occurs sparingly...the Slim Buttes area. White, E. W. (1) p 18. Blbllor. King, John Wyman (4); White, E. W. (1) . ACMITE |  | | Report (volume) | | Rammelsberg;2 G, Schiittenhofen, by Scharizer;3 H, white lepidolite from Norway, Maine, by Riggs.4 E. F...nickel ores taken from the mines of the Canadian Copper Company at Sudbury, Ontario. From one source we...masses of sulphides, to be examined for nickel and copper; from the other source came similar sulphides,...nickel with a little copper, the other gave 35.39 per cent of nickel and 5.20 of copper. The nickel mineral...CATLETT. J 21 NICKEL ORE FROM CANADA. with the copper reckoned as admixed chalcopyrite, and recalculate |
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