 | | 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) | | 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...samples of Main-stage quartz; Late-stage quartz, realgar, and barite; and post-ore calcite interlayered |  | | 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...space-filling realgar and calcite, with minor quartz, stibnite, and framboidal pyrite. Realgar conforms to...euhedral crystal faces of quartz, fluorite, and realgar. Significant textural observations argue against...calcite and realgar are in contact with ore-stage quartz containing gold-bearing pyrite, realgar and calcite |  | | 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...bulk mineral samples (fluorite, orpiment, and realgar) determined using conventional techniques and of...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 |  | | 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 |  | | Journal (article/letter/editorial) | | mineralizafion in skamisrelated tothe99,Ma Osgood Mountains stock. Secondary K feldspar andserieite in...intergrown withstibnite-orpiment-pyrite-quartz-gold _+ realgar mineralizafion yields precise 4øAr/39Ar plateau...a detailedgeneticmodelfor thesedeposits hasyet realgar-stibnite, thinly bedded limestone, shale, and chert... portionof thismanuscript, the GetcheilandTwin Creeks RegionalGeology deposits sharethefollowing characteristics...withdeposits on The tectonic evolution of northern Nevada is characterized by multipleorogenies andthrusting |  | | 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 |  | 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 | | | 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 |  | | 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 (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 |  | 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 |  | 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 |  | | Journal (article/letter/editorial) | | West Florida] at 23:45 31 December 2014 Realgar Jiepaiyu Mine, Shimen, Hunan Province, China T here...now appropriate to discuss its sister species, realgar, one of the most intensely red of all minerals...unusual sources. When occurring in good specimens, realgar is relatively easy to recognize because of its...welldeveloped cleavage on {101}, {100}, {120}, and {110}. Realgar is monoclinic (2/m) and occurs in variably striated...incrustations and inclusions in other minerals. Realgar is simple arsenic sulfide (AsS). Published chemical |  | Bowell, R.J, Baumann, M, Gingrich, M, Tretbar, D, Perkins, W.F, Fisher, P.C (1999) The occurrence of gold at the Getchell mine, Nevada. Journal of Geochemical Exploration, 67 (1) 127-143 doi:10.1016/s0375-6742(99)00062-x | Journal (article/letter/editorial) | | com/locate/jgeoexp The occurrence of gold at the Getchell mine, Nevada R.J. Bowell a,Ł , M. Baumann b , M. Gingrich...Getchell Gold Corporation, Getchell Mine, P.O. Box 220, Golconda, NV 89414, USA c Institute of Earth Studies...The Getchell mine, owned by the Getchell Gold Cooperation, is located in northwestern Nevada along the east...east flank of the Osgood Mountains approximately 70 km northeast of Winnemucca. The deposit comprises...mineralization is characterized by widespread occurrence of realgar and orpiment. There are at least three major modes |  | | 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...and AngloGold Jerritt Canyon Joint Venture, while mining underground for gold, have encountered voids with...crystallized barite, calcite (Meikle mine), and stibnite (Murray mine). Although not considered an asset |  | | 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) | | Connecticut] at 04:22 12 October 2014 Twin Creeks Mine, Humboldt County, Nevada he general association of arsenic...tlepohits are known for the common arsenic sulfides realgar and orpinienr, sometimes i n unusually fine specimens...United States. such ;IS Nev;ida’s wellknown Getchell mine, have produced good arsenic sullide specimens for...were encountered at the %in Creeks gold mine in Huinholdt Coonty, Nevada. Fortunately for collectors...everywhere, the mine management has entered into an agrcenient with ;I commercial specimen-mining company. Collector’s |  | | Journal (article/letter/editorial) | | Gold at the Betze-Post Carlin-Type Gold Deposit, Nevada, United States Jared D. Lubben,1,* Jean S. Cline...University 2 Mineral of Nevada Las Vegas, 4505 Maryland Parkway, Box 454010, Las Vegas, Nevada 89154-4010 Deposit...to cool and collapse, late-ore drusy quartz and realgar precipitated in open space as ore-stage pyrite...is one of several major trends in northeastern Nevada that contain more than a hundred Carlin-type deposits...(74.1 Moz; Nevada Bureau of Mines and Geology, 2010), demonstrating that northeastern Nevada forms the |  | | Journal (article/letter/editorial) | | of sulfur in the Betze-Post-Screamer Deposit, Nevada, USA Received: 28 June 2004 / Accepted: 29 March...one value of about 7&. Conventional analyses of realgar and orpiment separates from throughout the deposit...Sciences, University of Michigan, Ann Arbor, MI, USA, 48109 E-mail: skesler@umich.edu L. C. Riciputi Oak...Laboratory MS6365, PO Box 2008, Oak Ridge, TN 37831, USA involvement of hydrothermal solutions of sedimentary...Carlin-type deposit Æ Gold Æ arsenian pyrite Æ Nevada Introduction Carlin-type deposits, which are among |  | | Journal (article/letter/editorial) | | December 2014 Another Nevada Specimen-Recovery Project IN APRIL 1999 Newmont Mining Corporation geologists...orpiment crystals at its Twin Creeks mine, north of Winnemucca, in Humboldt County, Nevada. Believing it had... Mineral associations include barite and some realgar. Specimens will be on public display at museums...Colorado Figure 1. Orpiment, 4.3 cm high, Twin Creeks mine. Collector’s Edge specimen, Jeff Scovil photo...2 Figure 2. Orpiment vug in high-grade ore, Twin Creeks pit. ers, and other crews-part of the same team |  | | 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 |  | | Journal (article/letter/editorial) | | FOR ORPIMENT-REALGAR-CALCITEBARITE-GOLD MINERALIZATION AT THE BETZE AND CARLIN MINES, NEVADA JOHN A. GROFF...CAMPBELL, AND DAVID I. NORMAN New Mexico Institute of Mining and Technology, Dept. of Earth and Environmental...quartz-pyrite-kaolinite mineralization and late-stage orpiment-realgar-calcite-barite mineralization. Fluid characteristics...of barite, calcite, realgar, and orpiment from the Betze and Carlin mines, Nevada. Petrographic studies...cleaved sections reveal that fluid inclusions in realgar and barite have negative crystal shapes, in contrast |  | | 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.................................. |
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