 | | Report (issue) | | Re-examination of rock geochemistry in the Copper Canyon area, Lander County, Nevada by Boris B. Kotlyar, Ted G. Theodore... RE-EXAMINATION OF ROCK GEOCHEMISTRY IN THE COPPER CANYON AREA, LANDER COUNTY, NEVADA by Boris B. Kotlyar, Ted G. Theodore...geochemistry from an approximately 16-km2 area at Copper Canyon, Nev., reveals a number of striking relations...in a skarn-related porphyry copper environment that includes the world-class Fortitude gold skarn, which...2 million oz Au between 1984 and 1993. The Copper Canyon area is inferred to have included a geologic |  | | Report (issue) | | Associated Skarns, Copper Canyon Porphyry Copper Deposits, Lander County, Nevada GE0 L0 GICAL SU RVEY...Associated Skarns, Copper Canyon Porphyry Copper Deposits, Lander County, Nevada By TED G. THEODORE and...GEOCHEMISTRY OF THE PORPHYRY COPPER ENVIRONMENT IN THE BATTLE MOUNTAIN MINING DISTRICT, NEVADA GEOLOGICAL SURVEY...____ ____ __ ______ General geology of the Copper Canyon deposits ______________ Geology of the west...sampling-----------------------------Geographic variations of copper, gold, silver, and some other metals _________ |  | | Journal (article/letter/editorial) | | Phoenix Mine, Nevada Curtis L. Johnson,1,†,* David A. Browning,2 and Neil E. Pendock3 1Newmont Mining Corporation...Corporation, 1655 Mountain City Highway, Elko, Nevada 89801 2Terracore, 3Dirt 5301 Longley Lane, Suite...Suite 157, Reno, Nevada 89511 Exploration, Cape Town Club, 18 Queen Victoria Street, Cape Town, South Africa... Abstract The Phoenix mine and predecessor operations in north-central Nevada have produced an aggregate...million pounds of copper from an Eocene-aged Au-Cu porphyry-related skarn. The complex skarn mineralogy intimately |  | | Report (issue) | | Chapter E Gold in Porphyry Copper Systems Gold in the Bingham District, Utah By EDWIN W. TOOKER Gold...the Butte District, Montana By EDWIN W. TOOKER Gold in the Ely (Robinson) Copper District, White Pine...Pine County, Nevada By LAURENCE P.JAMES The Tomboy-Minnie Gold Deposits at Copper Canyon, Lander County...County, Nevada By TED G. THEODORE, STEPHEN S. HOWE, and DAVID W. BLAKE U.S. GEOLOGICAL SURVEY BULLETIN 1857...Cataloging-in-Publication Data Gold in porphyry copper systems. p. cm. (Geology and resources of gold |  | | Report (issue) | | Cu-Mo Deposits: Yerington, Robinson, Hall, Bingham Canyon October, 1994 [ ,l I : f l [ l l, l. L. L ... Bootprints Along the Cordillera' Porphyry Copper Deposits from Alaska to Chile Dear Field Trip Participants:...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...MINERALIZATION ALONG THE 1-80 CORRIDOR, RENO TO BATTLE MOUNTAIN, NEVADA R. Cuffney, R. Atkinson and R. Buffa Revised |  | | Report (volume) | | Gold in Jasperoid, Elephant Head Area, Lander County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 2009 Geochemistry...Gold in Jasperoid, Elephant Head Area, Lander County, Nevada By TED G. THEODORE and GAIL M. JONES U...gold in jasperoid, Elephant Head area, Lander County, Nevada I Ted G. Theodore and Gail M. Jones. p....ores-Geology-Nevada-Lander County. 2. JasperoidNevada-Lander County. 3. Geochemistry-Nevada-Lander County. I....metals 36 Lead-to-bismuth ratios in jasperoid and skarn 36 Jasperoid from the Empire deposit 38 Gold in |  | | Report (issue) | | Preliminary Geologic Map of the Galena Canyon Quadrangle, Lander County, Nevada by JeffL.Doebrich1 Open-File... Prepared in cooperation with Santa Fe Pacific Mining Inc. under Cooperative Research and Development...MS-176, Mackay School of Mines, University of Nevada, Reno, Nevada, 89557-0047 DESCRIPTION OF MAP UNITS Qd...Qof Tb Tc Tgp Mine dump (Holocene) Present around active and abandoned mining operations in the Copper...Copper Canyon, Iron Canyon, an Copper Basin areas Flood plain deposits (Quaternary) Includes sand, silt |  | Orris, G.J., Bennett, P.C., Theodore, T.G. (1987) A bibliography for the Winnemucca 1 degree by 2 degrees Quadrangle, Nevada, with indexing by county, commodity, mine name, mining district and selected major topics. Open-File Report Vol. 1987 (87-89) US Geological Survey doi:10.3133/ofr8789 | Report (issue) | | 2° quadrangle, Nevada, with indexing by county, commodity, mine name, mining district, and selected major...resources of the Winnemucca 1° x 2° quadrangle area, Nevada, were collected in support of a series of U.S....Winnemucca 1° by 2° quadrangle, Nevada: Elko, Eureka, Humboldt, Lander, and Pershing Counties. Table 2...Table 3 is a listing of references by mine and mining district names. Finally, Table 4 indexes the references...for the five Nevada Counties that occur in the Winnemucca 1° by 2° quadrangle, Nevada. COUNTY REFERENCES |  | | Report (volume) | | references. Supt. of Docs. no.: I 19.3: 1930 1. Skarn. 2. Gold ores. I. Theodore, Ted. G. II. Series....cited 23 Bibliography of additional gold-bearing skarn references 32 FIGURES 1. 2. 3. 4. 5. 6. 7. 8. 9...Au-bearing skarn deposits 2 Graphs showing distributions of gold grade for Au-bearing skarn deposits 3...gold skarn classification schemes based on metal ratios 4 Schematic cross sections of Au-skarn deposits...deposits in north-central Nevada 8 Map showing distribution of Au-skarn districts and geological provinces |  | | 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 |  | | Report (issue) | | Molybdenum Deposit and Surrounding Area, Lander County, Nevada U.S. GEOLOGICAL SURVEY PROFESSIONAL PA...MOLYBDENUM DEPOSIT AND SURROUNDING AREA, LANDER COUNTY, NEVADA FRONTISPIECE. Buckingham area. Group...Molybdenum Deposit and Surrounding Area, Lander County, Nevada By TED G. THEODORE, DAVID W. BlAKE, THOMAS... JOHNSON and a section on SUPERGENE COPPER DEPOSITS AT COPPER BASIN By DAVID W. BLAKE and a section...GEOCHEMISTRY OF THE PORPHYRY COPPER ENVIRONMENT IN THE BATTLE MOUNTAIN MINING DISTRICT, NEVADA U.S. GEOLOGICAL |  | | 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 |  | | Report (issue) | | 1987 INTRODUCTION A significant proportion of mining industry's interest in the last few years has been...discovery of deposits such as Battle Mountain Gold Company's Fortitude deposit, Nevada and Experanza Exploration's...allow easy comparison with established types of skarn, this paper presents descriptive and grade-tonnage...literature as Au-bearing skarns, Au-rich skarn, or Au-skarn in a format somewhat similar to models in...ferrous-metal contents. Further, some Au-bearing skarn deposits are gradational into sediment-hosted disseminated | | | 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 |  | 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........................................ Porphyry copper (molybdenum) deposits (models 17, 21a of Cox and......................................16 Porphyry copper-gold deposits (model 20c of Cox and Singer, 1986) |  | | Thesis/Dissertation | | Distribution of the Buffalo Valley Gold Deposit, Battle Mountain, Nevada by Kathryn Sechrist A Prepublication Manuscript...midTertiary gold-(copper) deposits in northern Nevada that contains porphyry dikes fringed by skarn. Not far from...deposit there are a number of copper-poor Carlin-type deposits without skarn. The Buffalo Valley gold deposit...west-central edge of Battle Mountain. The Buffalo Valley, Phoenix (Copper Canyon, Fortitude), and Converse...among the porphyry-related skarn deposits in the greater Battle Mountain area that are related to intrusions |  | | Journal (article/letter/editorial) | | 1119–1126 FIRST OCCURRENCE OF ILVAITE IN A GOLD SKARN DEPOSIT MARTA B. FRANCHINI,† CONICET-CIMAR, Facultad...the Fortitude Au skarn deposit, Nevada, the first reported occurrence in a Au skarn deposit. Ilvaite...(Hd91–96 Jo3–5) in magnetite-rich exoskarn near the skarn-marble contact and replacing calcite grains at the...analyses show that the ilvaite from the Fortitude Au-skarn is similar in composition to ilvaite from Fe skarns...activities and low-fO2 conditions that characterize both skarn types and their associated intrusions. Similarly |  | Theodore, T.G., Murchey, B.L., Hanger, R.A., Strong, E.E., Ashinhurst, R.T. (1994) To accompany the preliminary geologic map of the Snow Gulch Quadrangle, Humboldt and Lander counties, Nevada. Open-File Report Vol. 1994 (94-436) US Geological Survey doi:10.3133/ofr94436 | Report (issue) | | the Snow Gulch Quadrangle, Humboldt and Lander Counties, Nevada by Ted G. Theodore1 with a section on Radiolarians...the Ordovician Valmy Formation and Devonian Scott Canyon Formation by Benita L. Murchey1 and a section on...Pennsylvanian and Permian Antler Peak Limestone, Lander County, Nevada by Rex Alan Hanger2 , Ellen E. Strong3 ...94-436 Prepared in cooperation with Santa Fe Pacific Mining Inc. under Cooperative Research and Development...University Washington, DC 20052 ^Battle Mountain Gold Co. Battle Mountain, NY 89820 CORRELATION OF MAP |  | | Report (issue) | | the Antler Peak 7.5 Minute Quadrangle, Lander County, Nevada by Jeff L. Doebrich1 Open-File Report 92-398...92-398 Prepared in cooperation with the Nevada Bureau of Mines and Geology This report is preliminary...University of Nevada, Reno, Reno, NV 89557 1992 DESCRIPTION OF MAP UNITS Qd Mine dump material (Holocene...Fortitude Mine open pit Qp Placer workings (Holocene, man-made) Present in Copper Canyon Qya Younger...after magnetite(?). Exposed only in Buffalo Valley Mine area (sees. 28, 33, and 34, T. 32 N, R. 42 E). Undated |  | | 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.. |  | Johnston, M. K., Thompson, T. B., Emmons, D. L., Jones, K. (2008) Geology of the Cove Mine, Lander County, Nevada, and a Genetic Model for the McCoy-Cove Hydrothermal System. Economic Geology, 103 (4) 759-782 doi:10.2113/gsecongeo.103.4.759 | Journal (article/letter/editorial) | | 103, pp. 759–782 Geology of the Cove Mine, Lander County, Nevada, and a Genetic Model for the McCoy-Cove...Inc., 240 South Rock Boulevard, Suite 117, Reno, Nevada 89502 TOMMY B. THOMPSON, Ralph J. Roberts Center...Geology, University of Nevada, Reno, Nevada 89557 DAVID L. EMMONS, Round Mountain Gold Corporation, P.O...Round Mountain, Nevada 89045 AND KEITH JONES Small Mine Development, P.O. Box 251, Battle Mountain, Nevada...Au-Ag skarn and Cove Au-Ag deposits are located in the northern Fish Creek Mountains, Lander County, Nevada |  | Holley, Elizabeth A., Lowe, Justin A., Johnson, Craig A., Pribil, Michael J. (2019) Magmatic-Hydrothermal Gold Mineralization at the Lone Tree Mine, Battle Mountain District, Nevada. Economic Geology, 114 (5) 811-856 doi:10.5382/econgeo.4665 | Journal (article/letter/editorial) | | Mineralization at the Lone Tree Mine, Battle Mountain District, Nevada Elizabeth A. Holley,1,† Justin...Michael J. Pribil3 1Department 2Department of Mining Engineering, Colorado School of Mines, 1600 Illinois...located in the northern Battle Mountain mining district, Nevada. Prior to mine closure in 2006, Santa...Wayne zone. The ore is located between the Roberts Mountain and Golconda thrusts in siliciclastic rocks of...and in the Pennsylvanian-Permian Battle Mountain and Edna Mountain Formations, and above the Golconda |  | | Report (issue) | | HYDROTHERMALLY ALTERED ROCKS ALONG THE BATTLE MOUNTAIN-EUREKA, NEVADA MINERAL BELT USING LANDSAT IMAGES ............ 18 10 | i ! Copper Canyon. .................... 18 Copper Basin .......................COLOR-RATIO COMPOSITE IMAGE . . . . ..... 32 Battle Mountain. ................ ..... 33 Topographic Effects...areas of s- 5 hydrothermal alteration along the Battle Mount a in -Eureka e mineral belt .............of north-central s j | 9 Nevada including area of the Battle Mountain -Eureka mineral belt ...... |  | 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...Rock National Conservation Area), and the impact of mine dewatering on drainage basin groundwater resources...part of their Resource Management Plan for the District/Resource Area or for other planning units such |  | | Report (issue) | | THE ELDER CREEK PORPHYRY COPPER SYSTEM, BATTLE MOUNTAIN MINING DISTRICT, NEVADA by Natalya Gostyayeva...THE ELDER CREEK PORPHYRY COPPER SYSTEM, BATTLE MOUNTAIN MINING DISTRICT, NEVADA by Natalya Gostyayeva,...allochthon near the northeast edge of the Battle Mountain Mining District. Synchronously with emplacement of...alteration affected rocks belonging to the porphyry copper system in an area approximately 5-km wide that...brines enriched with various base metals (including copper, lead, and zinc), as well as barium and other minor |
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