 | | Report (issue) | | 114 GEOLOGY AND ORE DE_POSITS OF THE YERINGTON DIST_RICT, NEVADA BY • ADOLPH KNOPF WASHINGTON GOVERNMENT.................................. . . History of mining .......................... . Production .........geology-Continued. 9 Epitome of the. geologic history of the 9 district .....•......................... 9 Part II. The........ . 20 Bluestone :mine ................ ·........ . 2'0 Mason Valley mine ............................. . 21 _ Malachite mine ............ .' .......... ·.. . 22 McConnell mine ........ : ........... |  | | Report (issue) | | THE TRIASSIC TO JURASSIC MAGMATIC ARC OF WESTERN NEVADA AND EASTERN CALIFORNIA by Jeff L. Doebrich 1 ,...Open-File Report 96-9 Prepared in cooperation with the Nevada Bureau of Mines and Geology This report is preliminary...School of Mines, University of Nevada, Reno, Nevada 89557-0047 'Nevada Bureau of Mines and Geology, MS...MS 178, University of Nevada, Reno, Nevada 89557-0088 'U.S. Geological Survey, Retired, 8920 West 2nd........ YERINGTON SUPERSYSTEM ........................................................ Yerington Batholith |  | | Journal (article/letter/editorial) | | theMasonValley Mine, YeringtonDistrict,Nevada MARCO T. EINAUDI Abstract Skarn formation at the Mason Valley mine...in the Yerington district, field relationsand chemicalcompositionof coexistLyon County, Nevada, 2.5 km...km west of Mason. It ing garnet, pyroxene, and amphibole. The MasonValley mine (MVM) is ideallysuited...400 ft. The 300 and mentary and volcanicrocks. 400 mine levels were mapped on the scale 1 in. = 40 ft. Normal...batholithcontact and recrystallizationto hornblendehornfels District Setting hornfelsesbelongto the grossularite-andradite |  | | Journal (article/letter/editorial) | | 85281 in $KARNdepositsoccur throughouta broad range of variationof garnet and pyroxeneis alsodiscussed...•.• • •5 AND D. M. BURT /•..--KA MAISHI yERiNGTON...i I!11 • •NAKATATSU •YOSHIOKA PINE CREEK•...endoskarnoid is described from the Yerington district skarn in granodioriteat Yerington,and to a lesser extentin...Japan Victoria mine, Nevada DouglasHill and CastingCopper mines(Yerington district),Nevada Caporebasin,Cananea...Tin-tungsten Alaska district, Sonora, Mexico Ruth deposit, Robinsonmining (Ely) district, Nevada Mines GaspS |  | | Journal (article/letter/editorial) | | trend towardincreasing #Fe/#Mg. At the DouglasHill mine, apatite,quartz, and sulfidesreplacedandradite....magnesiumrich skarnare inferred to have been in the range 650ø to below 400øC. Temperaturesof formationof...pergeneore was of fairly high grade. The Casting Copper mine produced0.45 million tonsof oxideand sulfideore...sulfideore, muchof it averaging6 percent;the DouglasHill mine, 69,000 tonsof 5 percentoxideore; and diorite batholith...outward to the farthest extent of the nearbyLudwig mine,0.18 milliontonsof largely skarn formation. The |  | | Journal (article/letter/editorial) | | Wisconsin,/215 W. Dayton St., Madison, WI 53706 USA 2 Department of Geological Sciences, The University...University of Michigan, Ann Arbor, MI 48109-1063 USA Abstract. An integrated geochemical analysis of the well-...Creek, California tungsten skarn in the Sierra Nevada Mountains. Geology and P - T - X (f) framework...California tungsten mine is the largest deposit and only operating property in the Bishop District (Bateman 1965)...fluids and their activities generally lie in the range 10 ~ to i0 -~~ overlapping the average a S 2 for |  | | 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 |  | | Journal (article/letter/editorial) | | fs2-TStabilityRelationsof Hedenbergiteand of Hedenbergite-J0hannsenite Solid Solutions JACQUELINEC. BURTON*...electronmicroprobe. The clinopyroxenes are membersof the hedenbergite (CaFeSi206)-diopside (CaMgSi206)-johannsenite...te (CaMnSi206) solidsolutionserieswith the hedenbergite component dominating and rangingfrom 36 to 95...Eugster(1976).The terminaloxidationreactionfor hedenbergite is: hedenbergite + O2 = andradite+ magnetite+ quartz...theclinopyroxene raisesthe stabilityfield of hedenbergite by about1 log fo• over the temperaturerangeof |  | | Journal (article/letter/editorial) | | 1015-1052 Zinc-Lead Skarns of the Yeonhwa-Ulchin District, South Korea SUCKEW YUN Department of Geology...manganoansalite-ferrosalite; averageFe/Mn ratio (and mole % hedenbergite)in pyroxenedecreasesfrom 5.7 (65%) at Ulchin...the Yeonhwa-Ulchin district, South Korea. Fig. 3 as the Central mining district,New Mexico(Hernon and...period 1962 to 1981. Early publicationson the district include two 1:50,000geologicquadranglemaps,the...and metal zoningof the three major minesof the district, basedon surfaceand un- derground 'mappingandpetrographic |  | | Journal (article/letter/editorial) | | gangueminerals,clinopyroxene, and garnetare closeto hedenbergite (about90 mole %) and poor in andraditecomponent...Japan(Sato, 1977b). TIlE Fujigatani mine is locatedin the Kuga district, The geologyof the Fujigatani depositwas...described the geolbearing scheeliteare known in this district. The ogy in more detail. Ito (1962) investigatedthe...mineralization. 1066 TUNGSTEN SKARN DEPOSIT, FUJIGATANI MINE 1067 • 'L• Outer Zone. SW Japan • • Kuga ...Nishiki Group Sangun metamorphic rocks Tungsten mine Fx(;. 1. Location map showing the Fujigatani, Kiwada |  | | Journal (article/letter/editorial) | | Northwestern Iran ARDESHIR HEZARKHANI1 Department of Mining, Metallurgy and Petroleum Engineering, Amirkabir...zoned garnets, followed by pyroxene (diopside-hedenbergite) + wollastonite + magnetite and rare MoS at...Garnet (grandite) and lesser pyroxene (diopside-hedenbergite) occur near the diorite/granodiorite contact;...grandite garnet, magnetite, pyroxene (diopside-hedenbergite), amphibole (tremolite-actinolite), wollastonite...typically diopsidic, but may contain up to 45 mole % hedenbergite. During skarn replacement, disseminated sulfides |  | | Journal (article/letter/editorial) | | west-s•uthwest of Maryboroughin southeast In the Ban Ban district, the low-grade regional Queensland(Fig. 1). metamorphosed...chalcopyrite;Di, diopside; Ep, epidote;Hd, manganoan hedenbergite; Hm, hematite;Hs, ?hisingerite; II, manganoan...yellow garnet (Table 2) indicatea wide compositional range,from approximately40 to 100 weight percentandradite...discerned in the skarn. Garnet largecompositional range,e.g.,Ad40to Ad0•,within individualgrains. Rare pink...spessartine(Fig. 4) show a relatively continuous range and except for two examples,there is a linearincreasein |  | | Report (volume) | | ....................................... 102 District of Columbia ............................................................................ 187 Nevada..................................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | MATTHEWS, S. J., MARQUILLAS, R. A., KEMP, A. J., GRANGE, F. K., GARDEWEG, M. C. (1996) Active skarn formation beneath Lascar Volcano, northern Chile: a petrographic and geochemical study of xenoliths in eruption products. Journal of Metamorphic Geology, 14 (4) 509-530 doi:10.1046/j.1525-1314.1996.00359.x | Journal (article/letter/editorial) | | included in pumice and scoria blocks. Xenoliths range in size from a few millimetres to a maximum of 20...wollastonite, anorthite and quartz, with minor diopside–hedenbergite, fassaitic augite, grossular–andradite garnet...granular intergrowth of quartz, anorthite, diopside–hedenbergite, grossular–andradite garnet and titanite (Fig...electron image. finely intergrown diopside–hedenbergite, grossular– andradite garnet, orthopyroxene...(GT) is associated with a clump of diopside–hedenbergite (DI) in a matrix of anorthite, quartz, apatite |  | | Journal (article/letter/editorial) | | of the minermineralizedskarn,termed chert ore by mine personalogically distinctive types of altered rock...veins, adjacentto wherethe bedsare truncatedby the mine fractures, and skarn-altered carbonate beds in the...minerals.Grossular-rich garnet,vesuvianite,and hedenbergite-rich pyroxeneare sparselydisseminated in wollastonite...garnet-pyroxenefacies vertically away from the contact of the mine stock in the Ore lime- amphibole stonewas first...faciesin the lowerskarnzone,MacTungdeposit. the mine stock(Fig. 15). As at MacTung, the full facies |  | | Journal (article/letter/editorial) | | skarn,containingandradite-grossularite, diopside-hedenbergite, and scheelite;($) pyroxene skarncontaining... Introduction positsare common in the Sierra Nevada and Great THE Strawberrymine is locatedon the marginof...W, Cu, Mo, Strawberry mine roof pendant in the composite Au, Pb, or Zn. The mine hasbeenan importantlocal...were dant occurson the westernslopesof the Sierra Nevada, about 90 km northeast of Fresno, California, locatedby...sularite-andradite,idocrase,diopside-hedenbergite,isolation,and heavy snowfall,the mine hasbeenopplagioclase,hornblende |  | | Report (volume) | | _________--____-_---_-------___-_--------_----_______ Ajo district.-_--_.____---------______--_-_--__---_______ Oatman...______--__-__---_____----_____-__-___-___________ Bonanza district._________________________________________ Breckenridge...region___________________________________________ Spanish Peaks district.____________________________________ Summitville...________________________________________ Edwardsburg district._____________________________________ 11 11 12...22 24 24 24 24 25 25 26 26 27 ,, Pend Oreille district-_-_------------___---__--_-_---_______ 27 i |  | 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...89445 6USGS, National Center, MS 927, 12201 Sunrise Valley Dr., Reston, VA 22092-0001 7Bureau of Land Management...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 |  | | Report (issue) | | detailed investigations of single ore deposits, or of mining districts, to large-scale regional syntheses,...and Drenchwater Creek areas, northwestern Brooks Range, Alaska I. M. Lange, University of Montana W. J...and Drenchwater Creek areas, northwestern Brooks Range, Alaska, 1 MacKevett, E. J., Jr., Armstrong, A....responsible for gold deposition, Alleghany district, Sierra County, California, 26 McMillan, W. J., and Johan...British Columbia, Canada, as it relates to highland Valley ore deposits, 9 Meinert, L. D., Newberry, Rainer |  | | Report (issue) | | Molybdenum Deposit and Surrounding Area, Lander County, Nevada U.S. GEOLOGICAL SURVEY PROFESSIONAL PA..PER...MOLYBDENUM DEPOSIT AND SURROUNDING AREA, LANDER COUNTY, NEVADA FRONTISPIECE. Buckingham area. Group of...foreground is Buckingham Camp. Reese River Valley and northern Shoshone Range make up background. View northwestward...Molybdenum Deposit and Surrounding Area, Lander County, Nevada By TED G. THEODORE, DAVID W. BlAKE, THOMAS...COPPER ENVIRONMENT IN THE BATTLE MOUNTAIN MINING DISTRICT, NEVADA U.S. GEOLOGICAL SURVEY PROFESSIONAL |  | | Report (volume) | | Virginia--National Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105...shown conclusively that the classic Mississippi Valley-type ores cannot have originated from either syngenetic...rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes |  | | Book | | 310 Pillsbury Drive S. E. Minneapolis, MN 55455, USA Volumes 1 to 9 in this series appeared under the...are of considerable aid to the exploration and mining geologist in areas of known mineralization, but...advanced undergraduate and graduate levels, and to mining and exploration geologists. lowe no small debt.................. . 83 The Fresnillo Ag-Pb-Zn District, Zacatecas, Mexico .............................Massive Sulfide Deposits of the BathurstNewcastle District, New Brunswick, Canada Discussion of Tectonic |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | environments of Colombia are permissive for a wide range of mineral deposit types. In addition to new deposits...in this report should provide a basis for long-range planning of exploration and development strategy...setting of the country is permissive for a broad range of mineral deposits. The Cordilleran terranes include...appears especially promising for discovery of a wide range of mineral deposits, based on analogy with adjacent...complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered with the Copyright...made in the USA. All other copyright questions, including photocopying outside of the USA, should be referred...academically-oriented reader to grasp the full range of such deposits, and also to aid the economic geologist...which are present in only the parts per million range, such as is probably true of tin, can ultimately...skarns are notoriously complex, containing a wide range of textures, grain sizes, mineral assemblages (often |
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