 | | Journal (article/letter/editorial) | | Carlin-Type Mineralization in the Getchell and Twin Creeks Deposits, Nevada John A. Groff PII: DOI: Reference: ...Carlin-Type Mineralization in the Getchell and Twin Creeks Deposits, Nevada, Ore Geology Reviews (2018), doi: https://doi...Carlin-Type Mineralization in the Getchell and Twin Creeks Deposits, Nevada John A. Groff Department of Earth and...Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, New Mexico...orpiment–realgar–calcite–stibnite mineralization in the Getchell and Twin Creeks deposits, Nevada was undertaken |  | | Journal (article/letter/editorial) | | Carlin-Type Gold Deposit, North-Central Nevada JEAN S. CLINE† University of Nevada, Las Vegas, 4505 Maryland Parkway...Parkway, Box 454010, Las Vegas, Nevada 89154-4010 Abstract Pregold mineralization at the Getchell Carlin-type...consists dominantly of open space-filling realgar and calcite, with minor quartz, stibnite, and framboidal pyrite...of ore-stage quartz, fluorite, and galkhaite. Calcite filled most remaining open space and conforms to...events separated by 40 m.y. In a few areas where calcite and realgar are in contact with ore-stage quartz |  | | Journal (article/letter/editorial) | | Fracture-Controlled Fluid Flow in Carlintype Gold Deposits, Nevada John A. Groff PII: DOI: Reference: S0169-1368(19)30820-0...Fracture-Controlled Fluid Flow in Carlintype Gold Deposits, Nevada, Ore Geology Reviews (2019), doi: https://doi.org/10...Fracture-Controlled Fluid Flow in Carlin-type Gold Deposits, Nevada John A. Groff Department of Earth and Environmental...Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy, Socorro, New Mexico 87801...and post-ore calcite interlayered with chalcedonic quartz from the Getchell and Twin Creeks mines. Fluid |  | Hall, C. M., Kesler, Stephen E., Simon, Grigore, Fortuna, John (2000) Overlapping Cretaceous and Eocene Alteration, Twin Creeks
Carlin-Type Deposit, Nevada. Economic Geology, 95 (8) 1739-1752 doi:10.2113/gsecongeo.95.8.1739 | Journal (article/letter/editorial) | | Cretaceous and Eocene Alteration, Twin Creeks Carlin-Type Deposit, Nevada C. M. HALL, STEPHEN E. KESLER,†...for adularia, illite, and muscovite from the Twin Creeks Carlin-type deposit. All illite samples were...with previous measurements on adularia from Twin Creeks, but our Cretaceous dates are considerably older...previous studies of the nearby Getchell district, particularly the Osgood stock, which has a date of 98 to 92...92 Ma. Our results suggest that the Osgood stock is part of a more protracted Cretaceous igneous-hydrothermal |  | | 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...Turquoise Ridge Carlin-type gold deposits (Osgood Mountains) require contribution from two different Pb...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 |  | | Journal (article/letter/editorial) | | Sulfidation and Gold Deposition, Twin Creeks Carlin-Type Deposit, Nevada JOHN FORTUNA,* STEPHEN E. KESLER...deposition of gold in the Megapit area of the Twin Creeks Carlin-type deposit. Sedimentary rocks in and...possible sources of iron were evaluated for the Twin Creeks deposit, where sulfidation associated with gold...most likely source of iron for sulfidation. At Twin Creeks, however, iron could have been derived from sedimentary...of Twin Creeks Mineralization The Twin Creeks mine is located on the eastern flank of the Osgood Mountains |  | | Journal (article/letter/editorial) | | in Carlin-type Deposits on the Getchell Trend, Nevada John A. Groff PII: DOI: Reference: S0169-1368(17)30626-1...in Carlin-type Deposits on the Getchell Trend, Nevada, Ore Geology Reviews (2019), doi: https://doi.org/10...Mineralization in Carlintype Deposits on the Getchell Trend, Nevada John A. Groff Department of Earth and Environmental...Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy, Socorro, New Mexico 87801 Email:...Eocene gold mineralization at the Getchell and Twin Creeks deposits is indicated by cogenetic liquid-rich |  | | 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...quartz in mining districts with complex origins. 1. Introduction Since discovery of the Carlin mine in Nevada...the complex tectonic history that north-central Nevada experienced E-mail address: johnagroff@yahoo.com |  | Peters, S.G., Nash, J.T., John, D.A., Spanski, G.T., King, H.D., Connors, K.A., Moring, B.C., Doebrich, J.L., McGuire, D.J., Albino, G.V., Dunn, V.C., Theodore, T.G., Ludington, S.D. (1996) Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California. Open-File Report Vol. 1996 (96-712) US Geological Survey doi:10.3133/ofr96712 | Report (issue) | | Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California...Ludington3 Open-File Report 96-712 1996 1 Reno, Nevada 89557 2 Denver, Colorado 80228 3 Menlo Park, California...Canada 7 U.S. Bureau of Land Management, Winnemucca, Nevada 89445 This report is preliminary and has not been............................................. 18 Humboldt River porphyry tracL............................Study Areas and other areas in the Winnemucca District and Surprise Resource Area for which resource |  | | 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...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 |  | | Journal (article/letter/editorial) | | mineralizafion in skamisrelated tothe99,Ma Osgood Mountains stock. Secondary K feldspar andserieite in... portionof thismanuscript, the GetcheilandTwin Creeks RegionalGeology deposits sharethefollowing characteristics...withdeposits on The tectonic evolution of northern Nevada is characterized by multipleorogenies andthrusting...-72 km northeast NumerousCretaceous of Winnemucca,Nevada,where Paleozoicrocksare intruded zoicstrata.Theseincludethe...dacitedikescompositionally the Getcheil and Twin Creeks mines includes the Cambrian the granodiorite | | | 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...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 |  | 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...adularia is contemporaneous with Au at Twin Creeks, but Twin Creeks is the only Carlin-type deposit where...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 |  | | 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 |  | | Journal (issue) | | J. Scovil photo. In this issue also: Twin Creeks mine, USA Scott KLEINE, Bryan K. LEES & Malcolm SOUTHWOOD...Paul Cragan (USA) Malcolm Southwood (Australia) Associated Photographer: Jeff Scovil (USA) Contact: s...Spectacular orpiment specimen from Cut 62 in Twin Creeks mine, Nevada, USA; 9.6 cm high. Azurite Corporation specimen...well-crystallised orpiment at the Twin Creeks mine in Northern Nevada, USA, and it's subsequent extraction...corporations; one of them the mining company that owns and operates the mine, and the other a company that |  | | Journal (article/letter/editorial) | | Roleof Sulfidation and Deearbonation at Twin Creeks, Nevada DAVIDP. STENGER, •' STEPHEN E. KESLER, •...databases thatwereprepared by minestaff. Countryrocksat Twin CreeksincludeOrdovician-age interlayered calcareous...our understanding of the geology and Mining Company Twin Creeks mine field tripguide,October, mineralogy...the Twin CreeksMine tionswithinformation fromtwolargegeochemical databases The Twin Creeks mine is located...TwinCreeksCarlin-type the Osgood Mountains justwestof the Pinson,Preble,and deposit nearWinnemucca, Nevada(Fig.1). Getchell |  | | Journal (article/letter/editorial) | | of quartz and carbonate minerals across northern Nevada using ASTER thermal infrared emissivity data—Implications... Denver Federal Center, Denver, Colorado 80225, USA ABSTRACT ASTER (Advanced Spaceborne Thermal Emission...imagery over a 389 km × 387 km area in northern Nevada (38.5°–42°N, 114°–118.5°W) was analyzed to evaluate...fluids cool, and generally smaller amounts of calcite or dolomite by other mechanisms. To identify and...Dolomite exhibited a stronger carbonate response than calcite, as predicted based on their thermal spectral characteristics |  | | Journal (article/letter/editorial) | | Figure 1. Location map for the MeiMe mine and the Murray mine. Prepared by William B. Besse. Downloaded...golden barite from the Meikle mine and the stibnite from the Murray mine are among the best of their species...encounter crystallized mineral specimens while mining for ore usually treat the non-ore asset mineral... while mining underground for gold, have encountered voids with crystallized barite, calcite (Meikle...(Meikle mine), and stibnite (Murray mine). Although not considered an asset in the same way as gold, the specimens |  | | Journal (issue) | | Newsletter $6.00 Fibrous Malachite from the Mindingi Mine Katanga, Democratic Republic of the Congo Tony Nikischer...fibrous malachite from the Mindingi Mine in the Kambove District of Katanga began to appear in the specimen...ten {I 0) years ago (see figure J ). Although the mine was first worked superficially in the 1930s for...one of the early producers of the pink cobaltoan calcite specimens that have been found in significant numbers...DRC as well (see figure 2). Today, the Mindingi Mine continues to produce wonderful malachite specimens |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...G. R. Rossman Orpiment from the Twin Creeks mine, Humboldt County, N e v a d a ........................ 311 by B. K. Lees The Purple Passion mine, Yavapai County, A rizona.................. 323 by E. Davis...Stanislaus County, C alifornia 333 by G. E. Dunning Brookite from Hale Creek, Trinity County, California...Brookite and anatase from near Georgetown, El Dorado County, C alifornia.................................. |  | | Journal (article/letter/editorial) | | of huge Naica gypsum crystals on one side and El Potosi calcites and aragonites in the remaining area....Topaz (5 cm tall) from the Little Three mine, Ramona, San Diego County, California, “adopted” in memory of...OPTION The Natural History Museum of Los Angeles County offers a unique AdoptA-Mineral program through...specimens from the Twin Creeks mine, north of Winnemucca, in Humboldt County, Nevada. They were gifts from...from Newmont Mining Corporation of Denver, the largest producer of gold in the United States and owner |  | | Report (issue) | | of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...ALONG THE 1-80 CORRIDOR, RENO TO BATTLE MOUNTAIN, NEVADA R. Cuffney, R. Atkinson and R. Buffa Revised 1990...north-south ranges of central and northeastern Nevada (Fig. I). These belts, or their extensions, contain...vast majority of precious metal deposits found in Nevada to date. Our trip begins in the Walker Lane mineral |  | 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) | | MANAGEMENT'S WINNEMUCCA DISTRICT AND SURPRISE RESOURCE AREA, NORTHWEST NEVADA AND NORTHEAST CALIFORNIA...Field Office, Mackay School of Mines, University of Nevada, Reno, NV 89557-0047 2U.S. Geological Survey, Unit...Winnemucca District and Surprise Resource Area, an area covering 13.5 million acres in northwest Nevada and...impact of mine dewatering on drainage basin groundwater resources (for example, the Humboldt River drainage...part of their Resource Management Plan for the District/Resource Area or for other planning units such |  | | Journal (article/letter/editorial) | | Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum of Natural History specimen...Erica Van Pelt photo. MarcWApril: Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia. Cal Graeber,... near Badger Creek, north of Coaldale, Fremont County, Colorado. Dave Bunk specimen, Jeff Scovil photo...(Herkimer “diamonds’’), Treasure Mountain Diamond mine, near Little Falls, New York. Uli Bahmann specimen...SepteniberlOctober: Gold, Smuggler Union mine, Telluride district, Colorado. Colorado School of Mines Museum |  | | Journal (issue) | | Terlingua-type fluorescent calcite. fluorescent orange calcite cleavages and well formed calcite crystals were found...mail : Wydar8®aol.com Ortoher 2000 eD_enver Mine rnl News Continued from page 1 net size. Francois...rate req uests to Mine ra l News, P .O . Box 2043, Coeur d'Alene , ID 83816 -2043 USA Phone: 208-664-2448...was a large supply of Japan law twin quartz from Pampa Bl anca Mine. Peru. These are singles and matri...there were large clusters of amethyst from the Anahi Mine, Bolivia. These are not the ametrine crystal s but |
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