 | | Journal (article/letter/editorial) | | Mineralization in the Comstock District, Nevada DONALD M. HUDSONâ 1540 Van Petten Street, Reno, Nevada 89503 Abstract...metal deposits of the world-renowned Comstock district of western Nevada constitute one of several superimposed...superimposed Miocene hydrothermal systems. In the district, Mesozoic metasedimentary and igneous rocks are...kaolinite alteration exposed at the periphery of the district may be linked to preore alteration near the paleowater...and in the lower parts of orebodies in the Comstock lode, but it was deposited in the upper parts of |  | | 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.â Ist |  | | Journal (article/letter/editorial) | | Relations in the Comstock Lode PETER G. VIKRE ASARCO, Inc., 510 East Plumb Lane, Reno, Nevada 89502 Abstract...Comstockdistrict 15 mi (24 km) southeastof Reno,Nevada,formed 13.7 Ma in Mioceneeruptiverocksof the Alta...consists of quartz,electrum,silverminerals(mainly acanthite),pyrite,basemetalsulfides, andminoramounts of...at the northend of the lode (CedarHill) to <235ĂžC at the southend of the lode (AmericanFlat), contained<1...additional bonanzas awaitdiscovery alongunexplored Comstock faultsegments withindeclining palcothermalgradientsto | | | 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) | | [Northeastern University] at 11:57 17 November 2014 Husky Mine, Elsa, Yukon Territory, Canada T he ruby silvers...have been available in recent years from the Husky mine, Yukon Territory, Canada. Consequently, in keeping...this yearâs Tucson Gem and Mineral Show, a Husky mine polybasite has been nominated as this issueâs Connoisseurâs...other silver and lead sulfosalts; silver; gold; acanthite; and a wide assortment of other sulfide minerals...Colorado occurrences include mines of Clear Creek County, particularly in the Georgetown area, where it |  | | Journal (article/letter/editorial) | | no other group of minerals has more associated mining lore or history. Silver financed empires and great...recovered as a byproduct of low-grade copper and lead mining. This fact, coupled with the historically low price...copper were the first). The earliest known siIver mining occurred in Cappadocia in Asia Minor and is dated...ornamentation and jewelry. Excavations at Ur, an ancient city on the Euphrates River, have recovered some extraordinary...probably reflects the fact that the earliest silver mining amounted to gathering the metal in its native state |  | | Journal (article/letter/editorial) | | secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues...FiridofGt~rnSphultirite ut IIIP Bulinut Zinc Mine, St. Luwrence County, tditor of NPW b r k â unrl iipptwwl...and additions. Mlneral Index by Counties Brule County Elm Creek, IS mi. S. of Chamberlain, near junction |  | | Journal (issue) | | Type Localities: NEVADA: steep northeast wall of glory hole, B & B mine, Esmeralda County CALIFORNIA: burnt...Oceanic mine, San Luis Obispo County TEXAS: Chisos furnace, Terlingua district, Brewster County The Texan...Museum. The mineral is named for Curt N. Schuette, a mining geologist who specialized in mercury deposits....H ) 7 Status: valid Type Locality: Belmont, Nye County Further analysis of the type material showed it...German-American mining engineer. References: RIOTTE, E. N. (1867) Stetefeldit, eine neues mineral von Nevada. Berg- |  | | Report (issue) | | 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...ALONG THE 1-80 CORRIDOR, RENO TO BATTLE MOUNTAIN, NEVADA R. Cuffney, R. Atkinson and R. Buffa Revised 1990...north-south ranges of central and northeastern Nevada (Fig. I). These belts, or their extensions, contain...vast majority of precious metal deposits found in Nevada to date. Our trip begins in the Walker Lane mineral |  | | Report (chapter) | | volcanism: a review R. H. Sillitoe Department of Mining Geology, Royal School of Mines, Imperial College...also base metals. Silver occurs as argentite (or acanthite) and arsenic- or antimony-bearing sulphosalts...2400 km from the U.S. border to south of Mexico City (Fig. 1). This is the greatest known concentration...the Mexican epithermal deposits argentite (and acanthite) and the ruby silvers are always deposited later...zinc and copper. According to an analysis of the district undertaken by Geyne and co-workers, 9 the volcanic |  | | Journal (article/letter/editorial) | | 2014 A Historical Overview of t h e District and the Smuggler Union and Associated Mines and Veins of Marshall...Georges Hizetâs Cnrrnen opened in Paris, and the city of London completed construction of its new sewerage...history have called Leadville the quintessential mining camp of the frontier. If that is true-and it probably...Telluride was the scene of many encounters that the mining frontier had with its own destiny. From its struggle...here, too, the goals of frontier precious-metal mining shifted in midtwentieth century as the quest for |  | | Journal (article/letter/editorial) | | in this environment. The world-class Martha Hill mine in the Hauraki goldfield of New Zealand (Figs. 1...state of structural information in the Martha Hill mine up to 1994, as presented by Cargill (1994), and...style towards the now-exposed deeper levels of the mine similar to the downward disappearance of microcrystalline...overseas. Regional and Local Geology The Martha Hill mine is part of the Hauraki goldfield on the Coromandel...Coromandel peninsula and location of the Martha Hill mine, modified after Skinner (1986), Brathwaite et al |  | | Journal (article/letter/editorial) | | collecting. Although Texas is not known for its mining industry, be cause of its large oil and gas exploration...Llano County in the early 1900s but was flooded by Lake Buchanan in 1938. The Terlingua mining district...minerals. Mining here was contin uous from 1900 to the middle 1940s; but the Mariposa mine, which produced...& Minerals on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991)...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? â â â â best occurrence |  | | Journal (issue) | | $384/three years, (Canada) $231/one year, (outside USA other than Canada) $325 for one year Subscription...appointed Resident Geologist at the Copper Queen mine for three years, including the responsibility for...ahead of mining. When the mines were closed at Bisbee in 1975 he transferred toAjo as General Mine Foreman...Nome, Alaska, as well as of a coal mine in Utah and a copper mine in New Mexico for Gold Fields, Ltd...Presi dent of Operations for the Golden Queen Mining Company (Mojave, California), followed by Vice |  | | Journal (article/letter/editorial) | | microprobe, etc.) Because New Mexico is a mining state, mining districts are given whenever possible in...2015 Bernalillo County Cerro Colorado, W. of Albuquerque: carnotite. Placitas district (Sandia Mountains)...schorl. Tijeras Canyon district (Manzano Mountains), E. of Albuquerque. Galena King mine: barite, fluorite...subdistrict (Seiiora de 10s Milagros mine): copper, cuprite, malachite. Catron County Apache Creek, N. of Reserve:...Reserve: quartz (chalcedony). Mogollon district, NE of Glenwood: acanthite, bornite, chalcocite, fluorite, gold |  | | Journal (issue) | | by R. W. Eveleth S tib n ites o f the Stayton district, H o llister, C a lif o r n ia .................emphasis or clarity, and (d) proper names, e.g., mine levels. 8. Credits. Caption data for specimen photos...from the New Nevada mine in Batopilas, Chihuahua, Mexico and legrandite from the Ojuela mine in Mapimi,...sig nificant mining properties, including, but not limited to, the Sar Francisco mine in Sonora, the...the Veracruz amethyst locality, and the sulfur mine in Baja. He was a long-time wholesale dealer in the |  | | Journal (issue) | | Rosenzweig Tampa, Florida Richard W. Thomssen Reno, Nevada photography Nelly Bariand Paris, France Wemer Lieber... Famous mineral localities: the Home Sweet Home mine ..................................................quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by...significant mineral localities in C o l o r a d o ,by county. In addition, there is a complete listing o f all...type localities, and an alphabetical cross-index by mine name. T INTRODUCTION In the Spring of 1976 a group |  | | Journal (issue) | | COVELLITE crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection;...19702 Jerry A. Lorengo PO Box 15724 Arlington, Virginia 22215 For more than 100 years Butteâs dozens...(rightbackground) mines, Butte, ca. 1965. World Museum of Mining photo. 6 The Mineralogical Record, volume 33...hole.â The ground in the Butte mining camp, especially in the Kelley mine, was just full of vug holes ...World Museum of Mining is also located in Butte, at the site of the old Orphan Girl mine. . . . So wrote |  | | Journal (article/letter/editorial) | | Minerals Corporation, 230 South Rock Blvd, Reno, Nevada 89502, USA Ricardo CASTROVIEJO Universidad PolitĂ©cnica...later open space infill resembles the Shila Paula district (Chauvet et al. 2006). Fluid inclusion petrography...chalcopyrite, polybasite-pearceite, argentite (now acanthite), and AuâAg alloy (âelectrumâ). This Ag2S enrichment...of the system. The core is still undisclosed by mining works, but the available geochemical evidence (logAg/log...(stromeyerite) or in a supergene redistribution (stage 8, acanthite II). Keywords: Pallancata, intermediate sulfidation |  | | Journal (article/letter/editorial) | | 19702 Jerry A. Lorengo PO Box 15724 Arlington, Virginia 22215 For more than 100 years Butteâs dozens...(rightbackground) mines, Butte, ca. 1965. World Museum of Mining photo. 6 The Mineralogical Record, volume 33...hole.â The ground in the Butte mining camp, especially in the Kelley mine, was just full of vug holes ...World Museum of Mining is also located in Butte, at the site of the old Orphan Girl mine. . . . So wrote...an underground stope at Butte, Montanaâs Kelley mine in the early 1970âs (Dolph, 1994). The wonderful |  | | Report (volume) | | it helpful to refer to 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 of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...Indianapolis. Iowa.............. Prof. George F. Kay, Iowa City. Kansas............Prof. Erasmus Haworth, University...E. H. Barbour, University of Nebraska, Lincoln. Nevada...........Dr. W. S. Tangier Smith, Berkeley, Cal |  | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission...is * CONTENTS Foreword Preface Important Mining Districts Discovery and Developments in MĂ©xico...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in MĂ©xico, which produce fine mineral...geologists, mineralo- x / Foreword gists, and mining engineers, but also for mineral and gem collectors |  | | Journal (article/letter/editorial) | | precious-metal mineralization in the southwestern Nevada volcanic field, USA S t e p h e n B. C a s t o r a a n d...i s s b "Nevada Bureau of Mines and Geology, Mackay School of Mines, Universityof Nevada, Reno, NV 89557...89557. USA bDepartment of Geological Sciences, Mackay School of Mines, Universityof Nevada, Reno. NV...NV 89557, USA (Received August 27, 1991; accepted after revision January 27, 1992 ) ABSTRACT Castor, S...southwestern Nevada volcanic field, USA. Ore Geol. Rev., 7: 193-223. The southwestern Nevada volcanic field |  | | Journal (article/letter/editorial) | | April 1890, Congress selected Chicago over New York City to host an âinternational Exposition of Arts, Industries...Industries and Manufactures, and products of the soil, mine, and sea.â In 1893, Chicago had a population of...trying to earn a reputation as a leading cultural city. Only 96*2: 405,9(3: twenty-two years...an event from which it was generally believed the city would never recover. But recover it did, and many...brought in exhibits from all the states in the union, as well as many foreign countries. Fourteen major |  | John, D. A., Hofstra, A. H., Fleck, R. J., Brummer, J. E., Saderholm, E. C. (2003) Geologic Setting and Genesis of the Mule Canyon Low-Sulfidation Epithermal Gold-Silver Deposit, North-Central Nevada. Economic Geology, 98 (2) 425-463 doi:10.2113/gsecongeo.98.2.425 | Journal (article/letter/editorial) | | Low-Sulfidation Epithermal Gold-Silver Deposit, North-Central Nevada DAVID A. JOHN,â U.S. Geological Survey, 345 Middlefield...Company, Yanacocha, Peru Abstract The Mule Canyon mine exploited shallow, low-sulfidation, epithermal Au-Ag...the west side of the Northern Nevada rift in northern Lander County, Nevada. Mule Canyon consists of six...e-mail, djohn@usgs.gov *Present address: Newmont Mining Corp., PO Box 388, Valmy, NV 89438. 0361-0128/01/3335/425-39...calc-alkaline porphyry intrusions, such as the Comstock lode, in that a much smaller proportion of water |
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