 | | 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...localized within and surrounding a Jurassic (159 Ma) quartz monzonite porphyry pluton and dike complex that...boiling. The isotopic compositions of H and O in quartz and sericite and S and Pb in sulfides are indicative...with exhumation made them amenable to open-pit mining and processing using cyanide heap leach methods |  | | 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 |  | | 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 |  | 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) | | 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, |  | | 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 |  | | 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 (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) | | 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 |  | | 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) | | geochemistry of jasperoids from the Gold Bar district, Nevada Received: 17 May 2005 / Accepted: 11 June...Carlin-type gold mining districts located in the Battle Mountain–Eureka trend, Nevada. It is composed...faults in slope facies limestones of the Devonian Nevada Group exposed in windows through Ordovician basin...magnetic anomalies are notably absent. The Gold Bar district contains a variety of discordant and stratabound...observations, geochemistry, and δ18O values of quartz suggest it was overprinted by the hydrothermal |  | | Journal (article/letter/editorial) | | com/locate/oregeorev Distinguishing generations of quartz and a distinct gas signature of deep high-grade...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...potential to distinguish unrelated generations of quartz using the results of quadrupole mass spectrometer |  | | 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 (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 (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 (volume) | | ARSENIDES. BISMUTHINITB. From the Rosario Mining District, Sinaloa, Mexico. W. I-I. Melville. Described.....--...-....-..--.--...._...._-_..-..-....---. Quartz -.-..-- -....-..--.-.---.----..--------..--......mine of the Canadian Copper Company, Sudbury, district of Algoma, Ontario. Specific gravity, 4.541 ~...analysis. B. Analysis corrected by deduction of quartz and chalcopyrite. B. A. Ni ....................From the Silver King mine, Calico, San Bernardino County, Cal. Specific gravity, 6:28. Analysis by W. H |  | | 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 (chapter) | | alunite + muscovite + kaolinite (or pyrophyllite) + quartz in terms of total molal H2SO4 and K2SO4, respectively...formation of an intensely leached, predominantly quartz-only assemblage. This type of alteration is typified...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...Tolfa, Italy, 4. Marysvale, Utah, 5. Goldfield, Nevada (and arsenate) may be the main limiting factor |  | Arehart, Greg B., Eldridge, C.Stewart, Chryssoulis, Stephen L., Kesler, Stephen E. (1993) Ion microprobe determination of sulfur isotope variations in iron sulfides from the Post/ Betze sediment-hosted disseminated gold deposit, Nevada, USA. Geochimica et Cosmochimica Acta, 57 (7) 1505-1519 doi:10.1016/0016-7037(93)90010-t | Journal (article/letter/editorial) | | Betze sediment-hosted disseminated gold deposit, Nevada, USA GREGB. AREHART,'** C.STEWART ELDRIDGE,'STEPHENL...University of Michigan, Ann Arbor, MI 48 109-1063, USA ZGeology Department and Research School of Earth...unit which hosts much of the ore in north-central Nevada, has isotopic compositions similar to those reported...locally in the Paleozoic section in many parts of Nevada. STABLEISOTOPEMEASUREMENTS LOCATION AND DISTRIBUTION... Argonne National Laboratory,Argonne, IL 60439, USA 1505 G. B. Arehart et al. 1506 importance to |  | | Journal (article/letter/editorial) | | consistent with the observed alteration features, i.e. quartz precipitation, calcite dissolution and sericite-kaolinite...ore; fluid inclusions;isotopes; ore-formingfluids; Nevada * E-mail: g.arehart@gns.cri.nz. 0169-1368/96/$15...most important fossil hydrothermal systems in the USA. Until the past few years, the prevailing hypothesis...gold is hosted by hydrothermal arsenian pyrite and quartz, with considerably lesser amounts present in carbonaceous...location of many of the major SHDG deposits in western USA. The characteristics of many of these deposits are |  | Wang, Jiasheng, Chang, Jinyang, Li, Chao, Han, Zhenchun, Wang, Tao, Han, Huanhuan (2020) Significance of Calcite Trace Elements Contents and C-O Isotopic Compositions for Ore-Forming Fluids and Gold Prospecting in the Zhesang Carlin-Like Gold Deposit of Southeastern Yunnan, China. Minerals, 10 (4) 338 doi:10.3390/min10040338 | Journal (article/letter/editorial) | | Zhesang. The calcites that have been found in the mining area are classified as ore-stage and post-ore calcites...with the intrusion of diabase that outcrops in the mining area, and that the basic magmatic activities of...after the development of the Carlin Mine in Nevada, USA [2,3]. Ever since the discovery of gold deposits...setting of the Dian-Qian-Gui is similar to that of Nevada in that it includes rifting of craton, deposition...also exhibit some significant differences with the Nevada Carlin-type gold deposits. For instance, a key |  | | 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)...................................... |  | | Report (issue) | | Professor Edwin H . Oshier, Head of the Department of Mining Engineering, made the photographs included in this...(Andesine) (Labradorite) (Bytownite) (Anorthite) Quartz Cristobalite Opal Pollucite Nephelite Petalite...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) | | 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 .....:........................................ |
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