 | | Journal (article/letter/editorial) | | Deposits,Ely, Nevada L^UI•F.NCV.P. J^•Es Abstract The porphyry copperdepositsnear Ely, Nevada, occur within...origin(Nielsen, 488 PORPHYRYCOPPERDEPOSITS,ELY, NEVADA 489 Present Work available. Sedimentaryunitsare...for miles beyondthe ore deField work in the Robinson district was carried posit and its alteration aureole...aid in explorationfor madethroughall areasof the district, but the major concealeddeposits. effort consistedof...porphyrycopperdepositsin the Robinson unoxidizedareas of the operatingmines at a scale mining districtnear Ely, |  | | Journal (article/letter/editorial) | | SYNGENETIC ROBERT NEAR EXPOSED ELY, IN THE NEVADA. FORMATION • O. FOURNIER CONTENTS PAGE Abstract............... Igneous rock relationshipsin the district ................................. Sedimentaryrocks...K-feldspar partly replaced plagioclaseand later, muscovite replacedmost of the remaining plagioclase. Phlogopiticbiotite...stocklikebodiesare found in the northernand easternparts of the district. They are generallyunalteredand barren. In general...by company geologists whostartedworkin the Ely district afterI hadcompleted thefieldworkfor thepresent |  | | Report (issue) | | PEAK AND ADJACENT QUADRANGLES, ELKO COUNTY, NEVADA, AND BOX ELDER COUNTY, UTAH BY David M. Miller and Andrew...north-trending Pilot Range is located along the Nevada-Utah border about 80 km (50 mi) south of Idaho...southward from the Pilot Range throughout most of Nevada (Fig. 1). Northward and northwestward from the...Pilot Range the typical basin-range topography of Nevada is subdued in a regional highland that contains...Bonneville lake deposits (Ql).— Sand, silt, clay, and white, calcareous, clayey deposits of Lake Bonneville |  | | Journal (article/letter/editorial) | | Mountains, Northeast Nevada ABSTRACT The Wood Hills and Pequop Mountains of northeastern Nevada are located within...present throughout most or all of the central-eastern Nevada portion of the Great Basin. During the Cenozoic...Wood Hills and Pequop Mountains are in northeast Nevada (Fig. 1), within the Cordilleran miogeosyncline...decollement zone in the Snake Range of east-central Nevada. In the Snake Range, the marbles range in thickness...Range to the East Humboldt-Ruby Range in northeast Nevada and to the Albion Range in southernmost Idaho (Fig |  | | 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) | | related to the Jurassic Yerington batholith in Nevada, and associated with the Yerington mine and the...calcic alteration, and relatively coarse grained muscovite-quartz (greisen). Quartz veins and potassic alteration..., Yerington and AnnMason in the Yerington district, Nevada: Dilles et al., 2000; Sierrita-Esperanza:...of porphyry copper deposits, with the Yerington district labeled (modified from Seedorff, 1991; Dickinson...certain districts, such as the Robinson (Ely, Ruth) district in eastern Nevada, a large body of granite or |  | | Book | | Editors. SPENCER . . R. TirLey has worked as a mining geologist in the western United States in both...where no maps were available. In southern Yuma County he even discovered and named a whole new range...specific mention are the mapping in southern Yuma County, studies on gold lode and placer deposits, work...Range Province, and work on a number of individual mining districts and on numerous mineral commodities....establish Tucson, Arizona, as the hub of the copper mining industry of the United States. In fact, an inscribed | | | 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 |  | | Report (issue) | | Paper· 96 THE GEOijOGY AND ORE DEPOSITS OF ELY, NEVADA BY .. ARTHUR C. SPENCER WASHINGTON GOVERNMENT............................. . Situation of the district ......................................................................... . Geology of eastern Nevada ....................... .'..... ·~ .................................... General geology of the district ................................................. , ......................·................. . Nevada lin1estone ................................... |  | | Report (volume) | | Index of Granitic Rock Masses in the State of Nevada By FLORIAN MALDONADO, RICHARD W. SPENGLER, W.F....on 205 areas of exposed granitic rock masses in Nevada U.S. GEOLOGICAL SURVEY BULLETIN 1831 DEPARTMENT...Data Index of granitic rock masses in the state of Nevada. (U.S. Geological Survey bulletin ; 1831) Bibliography:...Docs. no.: I 19.3:1831 1. Granite-Nevada. 2. Intrusions (Geology) -Nevada. I. Maldonado, Florian. II. United...Clark County 9 Geology 9 Plutons 9 Lincoln County 1S Geology 1S Plutons 1S Southern Nye County 17 Geology |  | | Journal (article/letter/editorial) | | which is the second-most importantarea for tungsten mining in Japan, pegrnatiticmuscoviteoccurring in scheeliteskarn...are given in Table 1. greisenenvelopes occur,muscovite from the greisen TABLE 1. K-Ar Ages of Minerals...y.) Plutonic type 1. Masago 2. Tsumo 3. " muscovite,alteredenvelope biotite, quartz diorite phlogopite...7 81.4 q- 3.3 78.6 q- 3.2 4. Fuj,!gatani 5. muscovite, adamellite, drillcore " , pegmatiticpart in skarn...Hirase 32. " 33. Kamioka K-feldspar,pegmatite muscovite, alteredenvelope K-feldspar,pegmatite 29. Busshoji |  | | Report (issue) | | example, Christmas, Arizona, and Battle Mountain, Nevada), more copper is recovered from calc-silicate rocks...which will vary with the price of copper and local mining costs. At Dos Pobres, Arizona, from the top of...typically contain sericite, which is composed of muscovite that has a strong 2.20-μm absorption feature....ratios and methods, but different band thresholds, muscovite-rich, phyllic-altered rocks have also been regionally...2003). Alunite, kaolinite, pyrophyllite, and muscovite were mapped at the Red Mountain and Sunnyside |  | | Report (issue) | | 1987 INTRODUCTION A significant proportion of mining industry's interest in the last few years has been...Battle Mountain Gold Company's Fortitude deposit, Nevada and Experanza Exploration's Red Dome deposit, Queensland...Columbia; Salsigne, France; Pamlico, Nevada; Red Cloud, Nevada; Island Copper, British Columbia; Ban...Bi-bearing skarns (Stormant) are known in the Moina Mining District, Tasmania, Australia, which is largely known...Gold Company; and Edward I. Bloomstein of Santa Fe Mining. GEOLOGIC DESCRIPTION Deposit type: Other Names: |  | | Report (issue) | | AND METAMORPHIC DERIVATIVES IN EASTERN NEVADA, EXCLUDING THE NEVADA TEST SITE Compiled by H. E. Simpson...and acknowledgments Clark County CL-1: Spring Mountains locality Elko County EL-1: Independence Mountains...locality Eureka County EU-1: Diamond Mountains locality EU-2: Prospect Ridge locality Lincoln County LI-1: Southern...Mountains locality LI-7: Desert Range locality Nye County, northern part NN-1: Toquima Range locality NN-2:...Pancake Range locality NN-4: Southern White Pine Range locality NN-5: White River Valley locality NN-6: Quinn |  | | Report (issue) | | Stratigraphy of the Diamond Peak Area, Eureka County, Nevada GEOLOGICAL SURVEY PROFESSIONAL PAPER 661...Stratigraphy of the Diamond Peak Area, Eureka County, Nevada By DAVID A. BREW With a section on the BIOSTRATIGRAPHY...collecting localities in the Diamond Peak area, Nevada ________ ____ Collections from Diamond Peak measured...______ Combination boundary and internal faults-_ Robinson Springs fault __________ Adobe Canyon fault ___________...Eureka and White Pine Counties, Nev Page In pocket FIGURE 1. Index map of east-central Nevada _______ |  | | Report (issue) | | limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona ............. Ely (Robinson) district, Nevada .............................. Leadville district, Colorado . |  | | Report (issue) | | Plutonic Rocks in the Battle Mountain Mining District, Lander County, Nevada GEOLOGICAL SURVEY PROFESSIONAL...Plutonic Rocks in the Battle Mountain Mining District, Lander County, Nevada ByTED G. THEODORE, MILES L. SILBERMAN...COPPER ENVIRONMENT IN THE BATTLE MOUNTAIN MINING DISTRICT, NEVADA GEOLOGICAL SURVEY PROFESSIONAL PAPER...-1 General geology of the Battle Mountain mining district -----------------------·------------------...ILLUSTRATIONS Page FIGURE 1. Index map of north-central Nevada----------------------------·-·---------------- |  | | Report (issue) | | Zi oe Mountatn ~Pass) cs. sim ssicwiy tat.0e 276 Nevada City-Grass Valley ..... 279 New Almad@n 6.6sravs...no OIL ORO OIG ZoZ 292 Boulder County Tellurides .... 294 Boulder County Tungsten ...... eeoeeesee 296...323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado 324 Cope tick Rock DIsEEIcL sCoLoradO)...324 DeeGkante District, New sMext Comer. clecetsls cused cists! 0/0 326 E. Shiprock District, Utah—Arizona...Utah—Arizona ....vccccsnens F. Monticello-Moab-Thompsons District, Utah .....secvceee 326 327 ee eeseeee Gig GE |  | | Report (issue) | | Pass Quadrangle Schell Creek Range East-Central Nevada By HARALD DREWES GEOLOGICAL SURVEY PROFESSIONAL..._______ _ Taylor mining district _________________ _________ _ Cleve Creek district ____________________________...Formation______________ 4-10. Photographs: 4. Typical outcrop of white Eureka Quartzite_ _ _ _ _ _ __ __ __ __ _ _ _ _...54 54 65 21 13. Geologic map of Taylor mining district __ _ 75 80 24 14. Map showing distribution...57 61 13. Production record of the Taylor mining district ___________ _________________ _ 79 14-16 |  | | Journal (article/letter/editorial) | | specimen of aragonite crystals (encrusted with white drusy quartz) has been received from R. A. Richards...Diamond Mines, at (or near) Murfreesboro, Pike County, Arkansas. At the mines, I was kindly given permission...incrustations, has been found in the St. Kevin mining district, 8 miles west of Leadville, Lake Co., Colo...Livingston Co., -Ky. LOUISIANA — Something new in mining technique will be undertaken in the near future...(pop. 20) is now all excited over the idea that mining may again be resumed and in the near future. The |  | | Report (volume) | | Geology California Div. Mines and Geology County Rept. Geology County Report. San Francisco, Calif. California...Canada. Canadian lost. Mining and Metallurgy Spec. Vol. - Canadian Institute of Mining and Metallurgy Special...the Mineralogical Canadian Mining and Metall. Bull. - The Canadian Mining and Metallurgical Bulletin...Institute of Mining and Metallurgy. Montreal, Quebec, Canada. Canadian Mining Jour. - Canadian Mining Journal...Ltd. London, England. Eng. and Mining Jour. - Engineering and Mining Journal. Co. New York, N.Y. McGraw-Hill |  | | Report (volume) | | sections of Au-skarn deposits in north-central Nevada 8 Map showing distribution of Au-skarn districts...zoned garnets from oxidized skarn, Surprise Mine, Nevada 16 Ternary diagrams showing ranges of garnet compositions...five Au-bearing skarn systems in north-central Nevada 16 Ternary diagrams showing ranges of pyroxene...three Au-bearing skarn systems in north-central Nevada 17 Photomicrograph showing massive garnet partly...north-central Nevada 59 · Representative data for minerals in gold skarns from north-central Nevada 60 Chemical |  | | Report (volume) | | Ontario. Canada. Canadian Mining and Metall. Bull.- The Canadian Mining and Metallurgical Bulletin....Institute of Mining and Metallurgy. Montreal, Quebec, Canada. Canadian Mining Jour. - Canadian Mining Journal...Service. Albany, N.Y. Eng. and Mining Jour. - Engineering and Mining Journal. Co. New York, N.Y. McGraw-Hill...Revista del Instituto Mexicano del Petr6leo. lost. Mining and Metallurgy Trans. Metallurgy. London, England...England. Mexico, Transactions of the Institution of Mining and lost. Petroleum Jour.- Journal of the Institute |  | | Report (volume) | | vols. 38, 39. New York. American Institute of Mining Engineers: Bi-Monthly Bulletin, nos. 7-18; Transactions...series, vols. 21-24. New Haven, Conn. American Mining Congress: Papers and Addresses, 8th and 9th Annual...Bulletin, vol. 1. Oakland, Cal. California State Mining Bureau: Report of Board of Trustees for 1902, 1904...Ontario. Canadian Mining Institute: Journal, vols. 8, 9. Ottawa, Ontario. Canadian Mining Journal, new ser...Canada. Canadian Mining Review, vols. 25-27, 28, nos. 1, 2. (Continued as Canadian Mining Journal.) Ottawa |  | | Book | | Bagby US Geological Survey, Menlo Park, California, USA William Bagby received a Ph.D. in Earth Science from...rocks in the Sierra Madre Occidental, Mexico. His mining industry experience includes porphyry copper exploration...at the USGS has been focused on gold deposits in Nevada and a mineral-resource assessment of Costa Rica...Berger US Geological Survey, Spokane, Washington, USA Byron Berger has been involved in exploration for...experience focused on Carlin- type deposits in northern Nevada, and during his tenure with the USGS he has conducted |
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