 | | Report (volume) | | t ). ""' . 'r v.·,,.,. . ... Placer Gold Deposits of Nevada By MAUREEN G. JOHNSON GEOLOGICAL ...lists of annotated references pertaining to the placer districts UNITED STATES GOVERNMENT PRINTING OFFICE...--------------------------- 1 History of placer mining in Nevada_____________________________________... Holy Cross district..-----------------------------------------------2. Jessup district.. ____________...------------------------_-------_ 3. Sand Springs district---------------------------------------------- |  | | 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) | | 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 |  | | Report (issue) | | GEOLOGIC AND GRADE-VOLUME DATA ON 330 GOLD PLACER DEPOSITS By G. J. Orris and J. D. Bliss Open-File...Menlo Park, California 1985 INTRODUCTION Placer deposits account for a large portion of the total production...of the world's gold has been produced from placer deposits (Boyle, 1979). and volumes, gold Information...fineness, mining methods, other economic commodities and general geologic features of the deposits are compiled...for over 300 deposits for the purposes of constructing grade-volume models of placer deposits. This information |  | 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...include 1) identifying areas in which significant deposits of mineral, oil and gas, and geothermal resources...undiscovered mineral deposits and the quantity of metal contained in those undiscovered deposits. The latter information |  | | Report (volume) | | C. Mendenhall, Director Bulletin 935-C TIN DEPOSITS OF THE REPUBLIC OF MEXICO BY WILLIAM F. FOSHAG........................ Distribution of the tin deposits...................... Climate and topography................. Tin deposits.............................................. Deposits associated with granite............ Fan deposits.................................. 110 Ill Secondary deposits of gravel........of the deposits......................... Possible production........................... Deposits associated |  | | Report (issue) | | CASSITERITE IN SAN DIEGO COUNTY, CALIFORNIA. By WALDEMAR T. SCHALLER. A small handful of cassiterite...crystals was found in the northern part of San Diego County, Cal. (fig. 22), in the spring of 1915, and the...order to see if it offered any hope of finding cassiterite in quantity. Mr. Roy Carson was kind enough to...Index map showing position of cassiterite locality in San Diego County, Cal. The rectangle indicates...in a flat-lying pegmatite dike,1 is all the cassiterite so far obtained, and an examination of tho locality |  | | Report (issue) | | California 1983 PREFACE This compendium of ore deposits models was assembled for the Colombia Mineral...Rocks typical of the geologic terrane in which the deposits are found. (For igneous rock, use terminology...rocks. Age range; Ages of known deposits and ages in which such deposits might have formed. Depositional...in the genesis of the deposit type. Associated deposits; porphyries. Example, copper skarns associated...indicative of the deposit or related to associated deposits. Ore minerals; List ore and gangue minerals in |  | | Journal (article/letter/editorial) | | Auburn University Auburn, Alabama 36849-5305 Cassiterite Downloaded by [University of Saskatchewan Library]...2012 CiNOVEC, CZECH REPUBLIC This classic cassiterite specimen is from Cinovec, Czech Republic, much...wide and consists of an aggregate of dark brown cassiterite crystals to 3.5 cm attractively placed on a matrix...acquisition of a good suite of cassiterite within the scope of most collectors. Cassiterite has been known for centuries...Julius Caesar. Tin, presumably derived from cassiterite, was used by the Chinese even earlier, with their |  | | Report (volume) | | 1942)........................................ Tin deposits of Irish Creek, -Va., by A. H. Koschmann, J. J................ The Three Kids manganese district, Clark County, Nev., by C. B. Hunt, V. E. McKelvey, and............... Antimony deposits of the Stampede Creek area, Kantishna district, Alaska, by D. E. White...1942)................................... Vanadium deposits of Colorado and Utah, a preliminary report, by.............<...... The Coso quicksilver district, Inyo County, Calif., by C. P. Ross and R. G. Yates. |  | | Book | | f. MIMING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN i r r i i ; %■... ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN...LINCOLN 0 ll ; RENO NEVADA NEWSLETTER PUBLISHING COMPANY 1923 PREFACE Earlier Works. The object of...infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive work of...peared for a number of years. In the early days of Nevada min ing, from 1866 to 1878, the field was covered |  | | Journal (article/letter/editorial) | | specimens, are either inaccessible or are in closed mining districts, or are closed for political reasons...City-D~Lamar Mining Dlstricts / J\. I,' -r-, - L..... ~ rl.. kl \ , 50 I 100 I Miles old mining and...scientific significance. In this index, the better known mining districts that have produced many high-quality...across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below)...cut near Pinehurst, Adams County; Lanny Ream specimen and photo. Ada County Lucky Peak Dam, on east side |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | | Report (issue) | | gov/images/periodictable.pdf. Cover. Left, cassiterite crystals. Photograph copyright © Dakota Matrix...Minerals; used with permission. Right, wood tin cassiterite. Photograph copyright © R. Weller, Cochise College;....................................... S6 Placer Tin Deposits.................................................................. S6 Granite-Related Tin Deposits.................................................... S7 Classifications of Granite-Related Tin Deposits.............................................. |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...rare alluvial Diamond. THEBES: c area gravel deposits, pits, bars of the Mississippi R.⎯agate, jasper;...jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw formation...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...rare alluvial Diamond. THEBES: c area gravel deposits, pits, bars of the Mississippi R.⎯agate, jasper;...jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw formation...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E |  | | Report (issue) | | en t January 2011 Definition, mineralogy and deposits Definition and characteristics Tungsten, also...in approximately two thirds of known tungsten deposits. An important property of scheelite is the bluishwhite...which is especially valuable in exploration and mining. The colour of the fluorescence light is influenced...scaly or feathery aggregates. Deposits All primary tungsten deposits are associated with granitic intrusions...than 70 per cent) of intrusionrelated tungsten deposits formed during the Mesozoic period (251-65 million |  | | Report (volume) | | concisely the location, by States, of the principal deposits of useful minerals and includes a glossary showing...each mineral and the location of. its principal deposits. Many changes other than increase in production...made in the United States in 1887, so that the deposits of bauxite, now the source of material that maintains...in the appraised value of some of the mineral deposits. In this list, as in the earlier lists, it has...a minute and specific enumeration of the known deposits; indeed, to state all the localities at which |  | | Report (volume) | | 1301 IIi A description of the types of tin deposits and main tin-producing areas of the world. Reserves...location of the main tin deposits of Bolivia_____ Chart showing zoning in the tin deposits of Cornwall, England_...areas of Australia______________________ 6. Tin deposits in the Nanling and Coastal zones, China_ 4 15...THE WORLD By c. L. SAINSBURY ABSTRACT Lode deposits of tin, and commercial placers derived from them...biotite or biotite-muscovite granite. Most lode deposits fall into one of two distinct types: (1) long |  | | Book | | granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker rock than granite but with a similar... coal and oil are associated with sedimentary deposits. When a rock is altered by different types of...disciplines combine to identify economic mineral deposits. Early mineralogists were men who first noticed...are much smaller than the O2" anion. Spinel, cassiterite, and chromite are important oxides. Phosphates...sedimentary rocks and are often associated with salt deposits because they are precipitated from evaporating |  | | Report (volume) | | deposits____________________________________________ Placer and residual deposits ___________________________ --------North...illustrating size and grade of various types of thorium deposits----------------------------------------------...chiefly in four geologic environments: (1) placer deposits, source of most of the production, which consist...thorium-bearing minerals; (2) epigenetic deposits, which include vein or lode deposits and contact-metamorphic or replacement...ancient placers, thorium-bearing dolomite, and deposits in conglomerates; (4) igneous and metamorphic |  | | Report (volume) | | Director Bulletin 931-L TIN DEPOSITS OF NORTHERN LANDER COUNTY NEVADA BY CARL FRIES, JR. Strategic...northern Lander County, Nevada........................ Figure 26. Index map of Nevada showing location...location of tin deposits..................................... 27. Plan and section of the incline shaft....... III 282 281 289 291 TIN DEPOSITS OF NORTHERN LANDER COUNTY, NEVADA By Carl Fries, Jr. ABSTRACT...Virtually no cassiterite is disseminated in the wall rock. The veinlets contain specularite, cassiterite, sanidine |  | | Book | | Geological Association of Canada g,A Mineral Deposits Divioon . I\ ~ I ORE MINERAL ATLAS Dan Marshall...Hamid Mumin Mineral Deposits Division Series Editor Dirk Tempelman-Kluit Mineral Deposits Division Steering...taii and is from the Eagle's Nest mine, Piacer County, California. Ross Beaty Collection. Photograph...0--86491-243--9 Geo,ogical Association of Canada, Mineral Deposits Oivis,on - L'Association geaogiQue du Canada,...(1959-) IV. Geological Association of Canada Mneral Deposits Division QE390.M37 2004 553 C2004-902030-7 Ill |  | | Report (issue) | | regimes.... Connection with exploration for placer deposits........ Density of the sample net............heavy minerals and intended to identify blind ore deposits. An extensive literature, reviewed here, on the...trace-element data in the context of ssociation with ore deposits. INTRODUCTION The term "magnetic concentrates"...are typically employed in exploration for ore deposits as a medium for chemical or spectrographic analysis...geochemical exploration as a way to detect ore deposits whose surface expression may be subtle. These |  | | Report (issue) | | ___________________ -_-----Lode and placer gold deposits, Mohave County _______________________ _ California...Mother Lode, Amador County __________ _ Tertiary gravels, Nevada City area, Sierra Nevada ________________...Gold in Castle Rock Conglomerate ________ Ore deposits of Chicago Basin ________ _ _ _ Geophysical stu...- - M~ne ____________________________ Mineral deposits near We t Pembroke _____ _ Interpretation of geophysical..._---Central North Carolina _-------------Moore County __ ---------- -- ------South Carolina ____ -- __ |
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