 | | 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... mineralization in the Getchell and Twin Creeks deposits, Nevada was undertaken to determine the origin(s) |  | | Journal (article/letter/editorial) | | Iron for Sulfidation and Gold Deposition, Twin Creeks Carlin-Type Deposit, Nevada JOHN FORTUNA,* STEPHEN...sulfidized during deposition of gold in the Megapit area of the Twin Creeks Carlin-type deposit. Sedimentary...settings that can be favorable for formation of gold deposits formed by sulfidation. Introduction SULFIDATION...implicated in ore deposition in a number of Carlin-type gold deposits, although very little information has been...were evaluated for the Twin Creeks deposit, where sulfidation associated with gold deposition had been documented |  | | Journal (article/letter/editorial) | | 75–89 Timing of Gold and Arsenic Sulfide Mineral Deposition at the Getchell Carlin-Type Gold Deposit, North-Central...North-Central Nevada JEAN S. CLINE† University of Nevada, Las Vegas, 4505 Maryland Parkway, Box 454010...Las Vegas, Nevada 89154-4010 Abstract Pregold mineralization at the Getchell Carlin-type gold deposit includes...polished, and is fractured and locally cemented by the gold ore assemblage. White micas are associated with...with veins near the granodiorite intrusion. Gold was not observed or detected by fire assay analyses of samples |  | | 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...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...of hydrothermal solutions that formed Carlin-type gold deposits in areas that experienced regional 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) | | Lead in the Getchell-Turquoise Ridge Carlin-Type Gold Deposits from the Perspective of Potential Igneous...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...Getchell and Turquoise Ridge Carlin-type gold deposits (Osgood Mountains) require contribution from two different...calcareous rocks around the Carlin trend in northeast Nevada. Petrologically similar rocks host the Getchell |  | | Report (issue) | | MANAGEMENT'S WINNEMUCCA DISTRICT AND SURPRISE RESOURCE AREA, NORTHWEST NEVADA AND NORTHEAST CALIFORNIA... MS 176, Mackay School of Mines, University of Nevada, Reno, Reno, NV 89557-0047 CONTENTS Introduction........................................ Northern Nevada Rift ............................................assessment of BLMadministered lands in northwest Nevada and northeast California. The project area is composed...(RAs), totalling 13.5 million acres, in northwest Nevada and northeast California (figs. 1, 2). The SonomaGerlach |  | 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................................16 Porphyry copper-gold deposits (model 20c of Cox and Singer, 1986).................................. 17 Battle Mountain-Gold Run porphyry trend............................. |  | | Journal (article/letter/editorial) | | distinct gas signature of deep high-grade Carlin-type gold mineralization using quadrupole mass spectrometry...Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801...Carlin-type gold deposits Nevada Huijiabao trend Fluid inclusion gas analysis Carlin-type gold deposits...deposits in north-central Nevada occur in a region that was the locus of igneous and/or hydrothermal activity...Goldstrike property in the Carlin trend and a Carlin-type gold occurrence in the Huijiabao trend, China. The results |  | | 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) | | IMPORTANCE OF EOCENE MAGMATISM IN GOLD MINERALIZATION OF THE CARLIN TREND, NEVADA—A DISCUSSION G. D. LANGSTAFF†...LANGSTAFF† 3575 Gypsum Lane, Suite 6, Reno, Nevada 89503 Sir: Ressel et al.’s (2000b, p. 1417) assertion that...Contact pluton (Coats, 1987) and the Cretaceous Osgood pluton (Berger, 1985) have aeromagnetic anomalies...anomaly and Cretaceous dikes occur in the Carlin mine (summarized by Hofstra et al., 1999). An anomaly...sedimentary rockhosted gold deposits of the Carlin trend and elsewhere in northern Nevada with Eocene dikes |  | | 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:...(NE)-trending faults during Eocene gold mineralization at the Getchell and Twin Creeks deposits is indicated by |  | 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) | | mineralizafion in skamisrelated tothe99,Ma Osgood Mountains stock. Secondary K feldspar andserieite in...in stage 3 quartz-pyrite-kaolinite-gold minera]izafion formedat83Ma andarenotrelated to95or9'2Ma igneous...igneous activity. Stage4 low-grade quartz-pyrite-gold minera]ization formedat about75 Ma,in thematrixof a...Adularia intergrown withstibnite-orpiment-pyrite-quartz-gold _+ realgar mineralizafion yields precise 4øAr/39Ar...formedbytheoverprinting of 83 Ma stage3 quartz-pyrite-gold by49,Ma stage 5 orpiment-stibnite-pyritegoldmineralization |  | | Report (chapter) | | on the formation of Carlin-type gold deposits in north-central Nevada J O H N L. M U N T E A N j, M I...Geology, Mail Stop 178, University o f Nevada, Reno, N V 89557-0088, USA (e-mail: munteanj@unr, edu) 2Ries-Coward...Grosvenor Road, Caversham, Reading RG4 5ES, UK 30ro Gold Resources Ltd, Suite 1440-625 Howe Street, Vancouver...control linear trends of Carlin-type gold deposits in north-central Nevada. Some of these structures probably...fluids responsible for formation of Carlin-type gold deposits in the Eocene. The reactivated structures | | | 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) | | 1063–1067 A Special Issue Devoted to Gold Deposits in Northern Nevada: Part 2. Carlin-Type Deposits Preface...issues of Economic Geology devoted to gold deposits in northern Nevada. Readers interested in a general overview...evolution of the region, and synoptic references on each gold deposit type are directed to the preface of the...aspects important to the genesis of gold deposits in northern Nevada and five papers that present detailed...the regional papers are pertinent to Carlin-type gold deposits, because they address the age of mineralization |  | | 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, •...andusethemto identifytheprocess(es) thatdeposited gold. The studyfocused on deposit-scale variations in...databases thatwereprepared by minestaff. Countryrocksat Twin CreeksincludeOrdovician-age interlayered calcareous...faultsbutitsgeneralformanddistribution suggest that gold-bearing solutions gainedaccess to favorable layersalongthe...layersalongthe faults.In the Ordovician sequence, gold valuesare highestin shalesthathaveundergone maximumdissolution |  | | Report (issue) | | GEOLOGICAL SURVEY The characterization of USGS gold reference standard, DGPM-1 by D.J. Grimes 1 ,...MS 973, Denver, CO 80225 2Lone Tree Mine, Santa Fe Pacific Gold Corporation, P.O. Box 388, Valmy, NV...Pinson, Getchell, and Twin Creeks disseminated gold deposits in northern Nevada.........................4960 ft bench in the Mag pit at the Pinson Mine, northern Nevada.. 4 TABLES Table 1. Particle size distribution..... 8 Table 2. Neutron activation analyses for gold, arsenic, antimony, and tungsten in DGPM-1 as a |  | | 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...quartz were detected in or near known Carlin-type gold deposits, distal disseminated Au-Ag deposits, high-...province is the world’s second leading producer of gold and is also host to a wide variety of ore deposits |  | | Report (issue) | | Association: Altaite, calaverite, krennerite, petzite, gold, pyrite, chalcopyrite, sphalerite, galena, pyrrhotite...In the USA, in Colorado, at the Good Hope mine, Vulcan, Gunnison Co.; in the La Plata district, La Plata...the Cresson mine, Cripple Creek district, Teller Co.; in California, at the Norwegian mine, near Tuttletown...Jamestown mine, Tuolumne Co.; in Nevada, at the Twin Creeks and Getchell mines, Potosi district, Humboldt...Outlaw mine, Round Mountain district, Nye Co.; and at the Gus Schave property, Olinhouse district, Washoe |  | | 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...Jerritt Canyon Joint Venture, while mining underground for gold, have encountered voids with crystallized...(Meikle mine), and stibnite (Murray mine). Although not considered an asset in the same way as gold, the |  | | 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 (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...DRC as well (see figure 2). Today, the Mindingi Mine continues to produce wonderful malachite specimens...specimenand image. Nickel Laterite From the Tiebaghi Mine, New Caledonia Bob Werner werner@lcturbonet.com |
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