 | | Report (volume) | | Potential and Geology of he Challis National Forest, Idaho I U.S. GEOLOGICAL SURVEY BULLETIN 1873 Mineral...Potential and Geology of the Challis National Forest, Idaho By RONALD G. WORL, ANNA BURACK WILSON, COLE L. SMITH...potential and geology of the Challis National Forest, Idaho (U.S. Geological Survey bulletin; 1873) Bibliography:...Mines and mineral resources-Idaho-Challis National Forest. 2. Geology-Idaho-Challis National Forest. I...Geophysics 27 Mineral resources-locatable minerals 28 Mining and exploration history 28 Metals 29 36 Industrial |  | | Report (issue) | | the Challis Volcanics in the Twin Peaks Caldera, Idaho. USGS photograph by Frederick S. Fisher. Geology...Resource Assessment of the Challis IĀ°x2Ā° Quadrangle, Idaho Edited by Frederick S. Fisher and Kathleen M. Johnson...mineral resources in the Challis 7Ā°x2Ā° quadrangle, Idaho UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...resource assessment of the Challis IĀ°x2Ā° Quadrangle, Idaho / edited by Frederick S. Fisher and Kathleen M....I19.16:P1525 1. Geology Idaho Challis Region. 2. Mines and mineral resources Idaho Challis Region. I. Fisher |  | | Report (issue) | | Terranes Part I Geographic Distribution of Gold Mining Regions and Types of Deposits in the United States...Associated with the Trans-Challis Fault System, Idaho ByTHOR H. KIILSGAARD, FREDERICKS. FISHER, and EARL...bibliographies. Contents: Geographic distribution of gold mining regions and types of deposits in the United States...associated with the trans-Challis fault system, Idaho / by Thor H. Kiilsgaard, Frederick S. Fisher, and...Redden and Gregory McN. French. 1. Gold mines and mining United States. 2. Gold deposits United States. |  | | Report (volume) | | Mineral Deposits of the Challis 1Ā°x2Ā° Quadrangle, Idaho U. S. GEOLOGICAL SURVEY BULLETIN 1658 A-S Symposium...1Ā°x2Ā° Quadrangle, Idaho Edited by D. H. MclNTYRE Papers presented at the Northwest Mining Association Convention...Mineral Deposits of the Challis IĀ°x2Ā° Quadrangle, Idaho (1983 : Spokane, Wash.) (U.S. Geological Survey...bulletin ; 1658A-S) "Papers presented at the Northwest Mining Association Convention, Spokane, Washington, Dec...3:1658A-S 1. Geology Idaho Challis Region Congresses. 2. Mines and mineral resources Idaho Challis Region Congresses |  | | Report (issue) | | GEOLOGICAL SURVEY Composite geophysical model for continental volcanic-hosted epithermal mineralization: Cox...others, 1971 (Tonopah district, Nevada); Kleinhampl and others, 1975 (Bodie District, California); Ratte"...1979 (Mogollon District, New Mexico); Criss and others, 1985, (Yankee Fork District, Idaho). We point out...area of remote-sensing application on deposit or district scale is surface alteration mapping. Current spatial...We point to the Goldfield quartz-alunite Au-Ag district (Nevada), and the nearby Cuprite deposit which |  | | Report (issue) | | IDAHO GEOLOGICAL SURVEY Merrill Hall, Room 332 University of Idaho Moscow, Idaho 83043 (208) 8857991............ David Hawk, representative Director, Idaho Department of Lands Stanley Hamilton ............... Chairman, Department of Geology, Idaho State University Idaho National Engineering Laboratory Clayton...................................... President, Idaho Association of Professional Geologists Deborah I................................... President, Idaho Mining Association Jack Peterson ................. |  | | Report (issue) | | Idaho Mining and Exploration, 2010 Virginia S. Gillerman Earl H. Bennett Staff Report 2011-1 November...November 2011 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...83844-3014 Idaho Mining and Exploration, 2010 Virginia S. Gillerman Earl H. Bennett Staff Reports present...November 2011 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014..........................................1 Metal Mining .............................................. |  | | Report (volume) | | deposits in the Silver City district, Idaho; Comstock Lode and Jarbidge district, Nev.; and Guanajuato, Mexico...with gold and silver are found in the Republic district, Wash., and in Radjang Lebong, Sumatra. The seleniferous...Nev.; San Francisco district, Utah; and the Liberty Bell mine, Telluride district, Colo., all contain...Buckskin Peak, Nev.; the Abbott mine, Calif.; the Lucky Boy mine, Piute County, Utah; and at Guadalcazar,...quicksilver mine the ore consisted almost entirely of tiemannite, and at the De Lamar mine, Silver City |  | | Report (volume) | | ....................................... 102 District of Columbia .................................................................................. Idaho...................................................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 |  | | Journal (article/letter/editorial) | | with its representation of mining tools clearly proclaim Montanaās mining origins. Montanaās production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montanaās first mining camp at Gold Creek in 1860. Geologic Provinces...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~-----------------Ā Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | 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...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Journal (issue) | | mineralization of the President Mine, Bohemia mining district. Lone County, p. 123 ā¢ Late Cenozoic tectonics...Peterson OREGON GEOLOGY Nonnan V. Peterson. District Geologist for 25 years at the Grants (I$SN Ol6A-3Xl4)...Grants Pass in 1990. Cover photo Fon Rock in Lake County, is a lpectacular example of the many volcatlic...cinders, and geothennal resources: worked on numerous county studies including Lake, K1 amath, DesĀ· chutes,...mineralization of the President Mine, Bohemia mining district, Lane County, Oregon by Robert E. Streiff |  | | Report (issue) | | deposits of the Hailey and western Idaho Falls IĀ°x2Ā° quadrangles, Idaho Abstracts and short papers selected...presented to the Annual Convention of the Northwest Mining Association, Spokane, Washington, December 7, 1989...types in the Hailey and western Idaho Falls IĀ°x2Ā° quadrangles, Idaho .................... Johnson, K...resources of the Hailey and western Idaho Falls IĀ°x2Ā° quadrangles, Idaho ....................... Smith, C...mineralized terranes in the Hailey IĀ°x2Ā° quadrangle, Idaho ......... Kleinkopf, M.D., Bankey, Viki, and McCafferty |  | | Journal (article/letter/editorial) | | control unusual enrichment of gold in VMS. At the district scale, the gold-rich deposits occupy a stratigraphic...that commonly differs from other deposits of the district possibly due to a step change in the geodynamic...recovery, particularly for gold, is never complete. A mining operation may be optimized for base metal production...(Sangster 1977, 1980; Franklin et al. 1981). The mining method also can have a major impact on reported...tonnages, as an open pit operation will typically mine large tonnages at lower grades, illustrating the |  | Saunders, J. A., Unger, D. L., Kamenov, G. D., Fayek, M., Hames, W. E., Utterback, W. C. (2008) Genesis of Middle Miocene Yellowstone hotspot-related bonanza epithermal AuāAg deposits, Northern Great Basin, USA. Mineralium Deposita, 43 (7) 715-734 doi:10.1007/s00126-008-0201-7 | Journal (article/letter/editorial) | | epithermal AuāAg deposits, Northern Great Basin, USA J. A. Saunders & D. L. Unger & G. D. Kamenov & M...Auburn University, 210 Petrie Hall, Auburn, AL 36849, USA e-mail: saundja@auburn.edu G. D. Kamenov Department...Williamson Hall, P.O. Box 112120, Gainesville, FL 32611, USA M. Fayek Department of Geological Sciences, University...89445, USA Present address: D. L. Unger Victoria Resources, 240 S. Rock Blvd., Reno, NV 89502, USA textures...fluids. Colloidal nanoparticles of AuāAg alloy (electrum), naumannite (Ag2Se), silica, and adularia, likely |  | | 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 'āSchoolmarmā 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 (volume) | | Quadrangle and the Western Part of the Idaho Falls IĀ°x2Ā° Quadrangle, Idaho * , , Ā» Prepare/ in *VG}'erati(>ttaw$i...Idaffo Stat^Universitv, 'and th&Jr "ni\'ersity of Idaho U.S. GEOLOGICAL SURVEY BULLETIN~2064-rA-R Cover...south at the Mackay stock, southwest of Mackay, Idaho. The Eocene Mackay stock (center of photograph;...Quadrangle and the Western Part of the Idaho Falls IĀ°x2Ā° Quadrangle, Idaho Edited by Ronald G. Worl, Paul K...cooperation with the Idaho Geological Survey, Idaho State University, and the University of Idaho Volume 1 (chapters |  | | Report (issue) | | assessment of the Absaroka-Beartooth study area, Custer and Gallatin National Forests, Montana Edited...Assessment of the Absaroka-Beartooth Study Area, Custer and Gallatin National Forests, Montana U.S. Geological...Gallatin National Forest and western parts of the Custer National Forest. Most of the mineral resources...Stillwater mine (platinum, palladium, gold, rhodium, copper, and nickel), the Mineral Hill mine (gold and...the discovery and development of the Stillwater mine and the discovery of gold-copper-silver deposits |  | MĆ”rquez-ZavalĆa, M. F., Bindi, L., MĆ”rquez, M., Menchetti, S. (2008) Se-bearing polybasite-Tac from the Martha mine, Macizo del Deseado, Santa Cruz, Argentina. Mineralogy and Petrology, 94 (1) 145-150 doi:10.1007/s00710-008-0001-x | Journal (article/letter/editorial) | | COMMUNICATION Se-bearing polybasite-Tac from the Martha mine, Macizo del Deseado, Santa Cruz, Argentina M. F...chalcopyrite, sphalerite, tetrahedrite, electrum and quartz at the Martha mine, an epithermal silverāgold deposit...De Lamar mine, Idaho, USA. 146 During a mineralogical study of samples from Martha mine, Santa Cruz...crystallographic characteristics of specimens from the Martha mine are given in this paper. The Martha ore deposit...Cruz province, at the southernmost extreme of continental South America (Fig. 1). It is located on the |  | Price, Jonathan G., Henry, Christopher D., Castor, Stephen B., Garside, Larry, Faulds, James E. (1999) Geology of Nevada With excellent rock exposures in the desert, generally good access to collecting localities on public lands, and fine tourist attractions in the towns, Nevada is a wonderful state for rock and mineral enthusiasts. Rocks & Minerals, 74 (6) 357-363 doi:10.1080/00357529909605171 | Journal (article/letter/editorial) | | near Ely in White Pine County; copper-molybdenum ores north of Tonopah in Nye County: and tungsten ores in...in several mining districts. In southern and eastern Nevada, sheets of rocks were folded and thrust from...west and deposition of sedimentary rocks in continental to shallow marine environments to the east. Explosive...setting the stage for the development of a western continental margin that is similar to the Atlantic coast...Nevada, which flow north into the Snake River in Idaho,and the White and Virgin Rivers in southeastern |  | | Journal (article/letter/editorial) | | Waitekauri-Maratoto area. Gravity data in the Waihi district define a unique, double-peaked, 50-gravity unit...data provides an outstanding case study of the district- to regional-scale geophysical characteristics...Okada, 1995; Hoschke and Sexton, 2005). At the district scale, detailed aeromagnetic data can delineate...active geothermal systems also have delineated district-scale anomalies associated with both densification...region, including a detailed study of the Waihi district. These geophysical data reveal the extent and |  | | Report (volume) | | Photomicrographs showing textural relations of gold and electrum in selected Au-skarn deposits 14 Photomicrographs...complexly zoned garnets from oxidized skarn, Surprise Mine, Nevada 16 Ternary diagrams showing ranges of garnet...In recent years, a significant proportion of the mining industry's interest has been centered on discovery...rocks of Paleozoic to Tertiary age. Native gold, electrum, pyrite, pyrrhotite, chalcopyrite, arsenopyrite... INTRODUCTION Gold exploration efforts of the mining industry in the last few years have centered on |  | | Journal (article/letter/editorial) | | minerals) and fluid inclusions of the El Zancudo mine in Colombia were investigated in order to analyze...examine the genesis of the deposit. The El Zancudo mine is a silverāgold deposit located in the western...sulfosalts, and minor chalcopyrite, electrum, and native silver. Electrum is included within sphalerite, pyrite...includes sphalerite, pyrite, arsenopyrite, galena and electrum. The second stage is divided into two sub-stages...coexisting with pyrite and the silver content of electrum are 300Ā°C and 420Ā°C, respectively. These estimated |  | | 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. 90 A Photo Gallery Gold Mining and Investment . . . . . . . . . . . . . . . . |
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