 | | Report (issue) | | Nines and Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa...Energy Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front...From 1859, when placer gold was discovered in Idaho Springs and lode gold in Central City, through 1959...from a 50-square-mile area that includes the Idaho Springs and adjacent districts to the north, west, and...and southwest. The adjacent Central City district, which produced ores valued at more than $100 million |  | | Book | | .3 COLORADO. of COLORADO. J. S. l GEORGETOWN, COLO. GEORGETOWN COURIER PRINT. 1887. 3 Bancroft...From a mineralogical point of view the wealth of Colorado exceeds that of In the metallic minerals almost...to in the following pages Proceedings of the Colorado Scientific Society. Proceedings of the Academy...the U. S. Geological Survey. J. GEORGETOWN, COLORADO, January, 1887. S. RANDALL. : MINERALS...gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold |  | | Journal (volume) | | Petrosani Marian Lupulescu, New York State Museum, USA János Földessy, Miskolc University, Hungary Ovidiu...SURFACE OF THE TAILINGS PONDS FROM THE FUNDU MOLDOVEI MINING FIELD Dan STUMBEA University „Alexandru Ioan Cuza”...bathing the mineral surface. The process produces acid mine drainage (AMD), i.e., leachates, heavily charged...surfaces of the two tailings ponds from the mining district of Fundu Moldovei, by using some statistical...Geology and study area 2.1 Geological setting In the mining field of Fundu Moldovei, two tailings ponds were |  | | Book (edition) | | Geological Institute 4220 King Street Alexandria, Virginia 22302 703/379-2480 Price: $65 softcover $25...Sheahan Konsult International Inc. Marilyn Stark Colorado School of Mines Unni Rowell Exmin Corporation...The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names....term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted |  | | Book (edition) | | Geological Institute 4220 King Street Alexandria, Virginia 22302 703/379-2480 Price: $75 printed $25 microfiche...Ontario, Canada Marilyn Stark Colorado School of Mines, Golden, Colorado Dena Stepp Chemical Abstracts...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...copyright © 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph...production of environmental protection equipment. Mining and the discovery, identification, and development...to Nevada in 1929 and was actively involved in mining in the state and the western U.S. for the rest | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph...percent of the state. Nevada's public lands offer mining, livestock grazing, wild horse viewing, .scenic...Road and Geologic Tours in th<' Las Vegas Area. Mining and the discovery, identification, and development...Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...Metamorphic rocks ________________________ _ Idaho Springs formation _______________ _ Swandy ke hornblende...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________ |  | | Book | | times, and there is evidence of at least one flint mine dating from this period. Finely worked and polished...culture, derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric...have been made. In the course of present-day salt-mining, still flourishing there, traces of ancient workings...do not merely tell us about the occurrence and mining of minerals but also of the many magic and medicinal...the name amethyst in fact means 'not drunken'. Clear transparent rock crystal was considered by the |  | | Show/Event (guide) | | during highway construction, Hull Township, Gatineau County, Quebec. P. M. Bellev, R. Rowe & M. Picard. 2:45...e " from the Harder Farm, Hammond, St. Lawrence County, NY. M. Lupulescu. 3:45 H i s t o r y of the Powers...Powers farm streamside veins, St. Lawrence County, New York. M. R. Walter & S. C. Chamberlain. 4:00 M...assemblage from the Allah Cooper/Valcooper mine, Louisa County, Virginia. L. E. Kearns & M. D. Dunn. 4:30 B...e wavellite from the De Linde quarry, Garland, County, Arkansas. S. L. Hanson, A. U. Falster & Win. B |  | | Report (volume) | | so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...service from Superior Jaw Crusher Worthington mining equipment the from the standpoint of first cost...most wear, Worthington meets the needs of the mining industries with a complete line of products, from...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp |  | | Report (volume) | | California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens |  | | Report (issue) | | assessments of land areas _________ Geologic studies of mining districts and mineralbearing regions __ __________...Plains________________________________ Pennsylvania to Illinois_ Virginia ____________ Kentucky _____________ North Carolina-South..._____ Virginia__________________________ West Virginia ______________ Wisconsin ____________ __ Southeastern..._____________________ Arkansas____________________________ Colorado ____________________________ Kansas__________...Arizona _____. California_______ Hawaii _____. Idaho ______. Nevada _____. Oregon_____. Washington ___ |  | | Report (volume) | | assessments of land areas _________ Geologic studies of mining districts and mineralbearing regions __ __________...Plains________________________________ Pennsylvania to Illinois_ Virginia ____________ Kentucky _____________ North Carolina-South..._____ Virginia__________________________ West Virginia ______________ Wisconsin ____________ __ Southeastern..._____________________ Arkansas____________________________ Colorado ____________________________ Kansas__________...Arizona _____. California_______ Hawaii _____. Idaho ______. Nevada _____. Oregon_____. Washington ___ |  | | Journal (issue) | | KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...................3 by W. E. Wilson The Keweenaw County Fissure Mines.............................................13 by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan.................................C. J. Stefano & P. Persson The Central Mine, Keweenaw County, Michigan.................................Persson & C. J. Stefano The Copper Falls Mine, Keweenaw County, Michigan............................85 |  | | Report (issue) | | 5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin Zinn; photo Jeff...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...Lapis International, LLC East Hampton, Connecticut USA Collection 'Alan Table of Contents What Is Gold...First Gold Rush: Gold Fever in the Southeastern USA . . . . . . . .P. 16 R. Chris Tacker California and.... . . . . . . . . .P. 86 Ed Raines Colorado Gold-Gold in Colorado . . . . . . . . . . . . . . . . . |  | | Book | | mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8% in Wyo1ning. These...doubtless the U.S.S.R., likewise established uranium mining industries. These efforts in the Reid and in the...siliceous and Ruoritic types, and the oxidized Colorado Plateau deposits are desc1ibed vvith those that...origin, e.g., Blind River, \i\litwatersrand, and Colorado Plateau. The writer has attempted to present equitably.... . . . . . . . . . . . . . . . . . . . . . . Colorado Plateau . . . . . . . . . . . . . . . . . . . |  | | Book (edition) | | hundreds of localities in Oregon, Wash ington, Idaho, Montana, and Wyoming. Illustrated with maps and...blue-white, and there are dif ferences between clear varieties and the clouded ones. Artificial amber...so as to be distinc tive. Found only in Benito County, Cali fornia, the mineral is reported to fluo resce...Specimens of corundum from the Zout- pansburg district, Transvaal, respond to long waves with a variable...stone that may be present. It looks somewhat like clear pieces of gum arabic, with a sort of in trinsic |  | Dekov, Vesselin M., Maynard, J. Barry, Kamenov, George D., Rouxel, Olivier, Lalonde, Stefan, Juranov, Sava (2020) Origin of the Oligocene manganese deposit at Obrochishte (Bulgaria): Insights from C, O, Fe, Sr, Nd, and Pb isotopes. Ore Geology Reviews, 122. 103550pp. doi:10.1016/j.oregeorev.2020.103550 | Journal (article/letter/editorial) | | Cincinnati, P.O. Box 210013, Cincinnati, OH 45221-0013, USA d Department of Geological Sciences, University of...Florida, 241 Williamson Hall, Gainesville, FL 32611, USA e Department of Oceanography, School of Ocean and...Manoa, 1000 Pope Road, MSB 510, Honolulu, HI 96822, USA f CNRS-UMR6538 Laboratoire Géosciences Océan, European...1963; Gnoevaya et al., 1982), and in mine sections (Obrochishte mine) in NE Bulgaria has been the subject...major ore minerals) in the deposit were Ca-rhodochrosite and Mn-calcite. Less abundant Mn-oxyhydroxides |  | | Report (issue) | | Connecticut, USA © 2008 by Lithographie, LLC P.O. Box 263 • East Hampton, CT 06424 • USA Phone 1.860...cm tall andradite on hematite is from the Wessels Mine near Hotazel in northern Cape Province, South Africa...Grossular on diopside; 7.1 cm tall Jeffrey Mine, Asbestos, Richmond County, Quebec, Canada Paul Stahl specimen...Cruces Range in Mexico; 3.1 cm tall; ex Blue Sky Mining specimen Facing page: This suite of faceted garnets...schorl, and a/bite from the Little Three Mine in San Diego County, California; 6. 6 cm tall; Bryant Harris |  | | Book (edition) | | Vesuvius, Italy (12, column 2) and SEMSEYITE, Julcani mine, Huancavelica, Peru (#3, column 2). Color, page...Currier Susie Davis Ray DeMark Paul Desautels Virginia Deshler Mary Dodds Adolph F. Dosse Steve G. Dulla...COLOR-LUSTER: Yellow; weakly vitreous. Crystals clear and transparent. Streak pale yellow. Flu oresces...sandstone at the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. BEST REF. IN ENGLISH: Thompson, |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...FLUORITE crystal group, 8.1 cm, from the Shangbao mine, H unan, China. Collector's Edge Minerals specimen;...daughter of a mining family, she has maintained an intense interest in minerals and mining throughout her...pursuits in this regard was the collecting of old mining stock certificates, a collection which grew to... and give a historical background for each mine or mining venture. These catalogs, still available while |  | | Journal (issue) | | Zeitner Page 54 . A Greater Glory? Page 58 Colorado Localities — Fancher Page 60 A Zeolite Bonanza...of collecting localities in Oregon, Washington, Idaho, Montana, Wyoming. With maps and photos. For gem...postape. insurance. J. J. JEWELCRAFT 2732 COLORADO BLVD. Phone: Clinton 5-1488 LOS ANGELES 41, CALIF...and breaking. A sort of hard-rock, heart-breaking mining operation. No explosives may be used. My collection...the other Nations, but it would appear that the USA alone will soon fill the sky with numer ous types |  | | Journal (issue) | | from the Bunker Hill mine, Idaho (see vol. 13, no. 5) and wulfenite from the 79 mine, Arizona (see vol....ground is forever gone as well. Modern Mining Technology Modem mining technology has become so automated...have greatly diminished. In addition, many modem mining companies preoccupied with efficiency now actively...been ac companied by a progressive improvement in mining and beneficiation technology which allows ever...incentive for mining people to preserve specimens. And it has helped to convince mining executives that |
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