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| 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 |
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| 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 |
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| MINERAL DEPOSITS IN THE UBEHEBE PEAK QUADRANGLE INYO COUNTY, CALIFORNIA SPECIAL REPORT 42 UNIVERSITY OF...MINES 1-A. Sierra Blanca limestone in Santa Barbara County, California, by George W. Walker. 1950. 5 pp.,...25$. 3. Commercial "black granite" of San Diego County, California, by Richard A. Hoppin and L. A. Norman...of the San Dieguito pyrophyllite area, San Diego County, California, by Richard H. Jahns and John F. Lance... Price 25$. 6. Geology of Bitterwater Creek area, Kern County, California, by Henry H. Heikkila and George |
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| Director Bulletin 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C. SCHRADER...______________________-__-_________--_------___-_ Ophir district.________________________________________________...__________---__--_-___ Austin district._.____..._..._._.____._____.____.___-.___._____ Marysville district.___________...___________________________________________ Gould district._______________________________________________ Stemple...._ Heddleston district.___________________________________________ Wolf Creek district.._..........__ |
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| ? ;\, GEOLOGY A N D ORE DEPOSITS O F BOUNDARY COUNTY, IDAHO BY VIRGIL R. D. KIRKHAM AND ERNEST W. ELLIS...cooperation and assistance. and to its committee on mining which facilitated the examination of the area especially...various mine o\vnera and managers of Bounclary County. including use of maps. reports. and photographs...Gold ............................... ......... Mining properties ................................................................ 59 Northern S t a r claim ............................................... |
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| GEOLOGY AND MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA By F. HAROLD WEBER JR., California...parts of several sections, by R. M. Stewart COUNTY REPORT California Division of Mines Ferry Building...CAMPBELL, Director AND GEOLOGY State Geologist COUNTY REPORT ^ Price $8.00 3 CONTENTS Page ABSTRACT...granodiorite Indian Mountain leucogranodiorite Escondido Creek leucogranodiorite __ Roblar leucogranite Other...associated pyroclastic and sedimentary rocks Fish Creek gypsum Tertiary system Miocene-Pliocene rocks |
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| Geology and Ore Deposits of the La Plata District Colorado By EDWIN B. ECKEL with sections by J. S. WILLIAMS...Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES GOVERNMENT PRINTING OFFICE...the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________...River _. _ _ _ _ Beds mapped as Rico along Junction Creek and its tributaries..__________ Localities in the...Marl member and Bilk Creek sandstone member _________________________ Junction Creek sandstone__--_---__---___ |
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| 17 Climate and vegetation. 18 _._ History of mining and present conditions___________________ 20 ..._______________ . Placers __ _ Mineralogy ____________ Mining districts, camps, and properties. Helvetia district_...) \ , 1 / i' Mining districts, camps, and properties Continued. Helvetia district Continued. Helvetia...________'__________ Pilot claim ___________________________ Eclipse group__ _ ^__ ___:___________ Curtis claim __________________...__________________ Silver Spur (Old Frijole) mine______________ Exile and King claims____________________ Tiptop |
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| completed. Hence, those interested in any particular district are urged to procure a copy of the complete report...previously issued, summarizes the conditions of the mining industry and presents statistics of production...as condensed statements of the progress of the mining industry for the years which they cover. The fund...exploration is too1 small to permit a visit to every mining district each year by a member of the Survey. Therefore...Mexican Gold Mining Co., Alaska United Gold Mining Co., and Alaska Treadwell Gold Mining Co., of Treadwell; |
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| LODE MINING NEAR FAIRBANKS. By PHILIP S. SMITH. INTRODUCTION. The inevitable depletion of easily mined...productive mines. The writer visited the lode-mining district late in the open season of 1912 to study the...investigations here recorded were devoted exclusively to mining developments. The writer is under deep obligations...brothers, of Too Much Gold Creek; the members of the RexaU Mining Co., of Wolf Creek; Nels Giske and the Quemboe...Chatham Creek; Allan Cunningham and Antone Goessmann, of Bedrock Creek; C. S. Sargent, of Willow Creek; Sterling |
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| THE FAIRBANKS DISTRICT BY L. M. PRINDLE AND F. J. KATZ AND AN ACCOUNT OF LODE MINING NEAR FAIRBANKS...Pre-Qrdovician ( ?) rocks ________________ Birch Creek schist____._ _____________ Lithologic character...Geologic history_______ GEOLOGY OF THE FAIRBANKS DISTRICT, by L. M. PRINDLE and F. J. KATZ_ Descriptive..._____^________ ___ Pre-Ordovician rocks___________ Birch Creek schist- . _ General character_________ Quartzite...61 62 CONTENTS. 5 GEOLOGY OF THE FAIRBANKS DISTRICT, by L. M. PRINDLE and F. J. KATZ Continued. Descriptive |
