 | | Report (issue) | | The Eureka Mining District Nevada By THOMAS B. NOLAN GEOLOGICAL SURVEY PROFESSIONAL PAPER 406 Prepared..._ Pogonip group _____________________________ _ Eureka quartzite ___________________________ _ Hanson...of the ores _______________________ _ Mines and mining ______________ __________________ _ Production...the Eureka mining district, Nevada. 2. Geologic sections of the Eureka mining district, Nevada. 3. Geologic...Geologic structure map of the Eureka mining district, Nevada. UI 24 25 26 26 26 26 27 27 27 27 28 28 |  | | Report (issue) | | Replacement Deposits Part I Bald Mountain Gold Mining Region, Northern Black Hills, South Dakota By JAMES...City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka Mining District, Nevada By DANIEL...and THOMAS B. NOLAN Gold in the Central City Mining District, Colorado By ALAN R. WALLACE U.S. GEOLOGICAL...bibliographies. Contents: pt. 1. Bald Mountain gold mining region, northern Black Hills, South Dakota / by...City mining district, Utah / by Calvin S. Bromfield. Gold in the Eureka mining district, Nevada / by |  | | Journal (article/letter/editorial) | | THE SUNNYSIDE MINE EUREKA MINING DISTRICT SAN JUAN COUNTY, COLORADO TOM ROSEMEYER Box 586 Ouray, Colorado...the late 1800s and early 1900s, at the height of mining activity, the sprawling Sunnyside mine complex...in the camp without going outside. In the 1960s, mining was carried out on the Washington vein above the...labeled as follows: Sunnyside mine, Eureka min ing district, San Juan County, Colorado. In 1973, diamond drilling...thought to be barren (Bird, 1986). Subse quent mining of the orebodies over the next six years pro duced |  | Heald-Wetlaufer, Pamela, Hayba, Daniel O., Foley, Nora K., Goss, J.A. (1983) Comparative anatomy of epithermal precious- and base-metal districts hosted by volcanic rocks: A talk presented at the GAC/MSC/GGU Joint Annual Meeting, May 11-13, 1983, Victoria, British Columbia. Open-File Report Vol. 1983 (83-710) US Geological Survey doi:10.3133/ofr83710 | Report (issue) | | precious and base metals 9 Ore from the Creede district, Col. 10 Typical alteration zoning for the highly...deposition. 16 6 180-6D diagram for the Creede district, Col. (modified from Bethke and Rye, 1979). 1...ranges from fluid inclusion studies for the Colqui district, Peru (from Kamilli and Ohmoto, 1977). 19 Temperature...inclusion studies for the Sunnyside mine, Eureka district, Col. (modified from Casadevall and Ohmoto...gold ore on silicified wall rock from Goldfield, Nevada. My coauthors and I have compared and contrasted |  | Peters, S. G., Armstrong, A. K., Harris, A. G., Oscarson, R. L., Noble, P. J. (2003) Biostratigraphy and Structure of Paleozoic Host Rocks and Their Relationshipto Carlin-Type Gold Deposits in the Jerritt Canyon Mining District, Nevada. Economic Geology, 98 (2) 317-337 doi:10.2113/gsecongeo.98.2.317 | Journal (article/letter/editorial) | | Carlin-Type Gold Deposits in the Jerritt Canyon Mining District, Nevada STEPHEN G. PETERS,† U.S. Geological Survey...University of Nevada, Reno, Reno, Nevada 89557-0138 Abstract The Jerritt Canyon mining district in the northern...northern Independence Range, northern Nevada, contains multiple, nearly horizontal, thrust masses of platform...Carlin-type gold orebodies in the Jerritt Canyon mining district were controlled by structural and host-rock...JERRITT CANYON mining district in the northern Independence Range, Elko County, Nevada, contains clusters |  | | Journal (issue) | | Rosenzweig Tampa, Florida Richard W. Thomssen Reno, Nevada photography Nelly Bariand Paris, France Wemer Lieber...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...LOCALITY INDEX BOULDER COUNTY Caribou Mine Caribou (near Nederland), Caribou District (Silver, Uraninite... Copper Rock Ward District (Azurite, Malachite, Cerussite, Galena) Gold Hill Gold Hill District (Nagyagite, |  | | Journal (article/letter/editorial) | | Abstract The Sunnysidemine, in the Eureka mining district, San Juan County, Colorado, produces700 tons/day...veinsfilling faultsandfracturesalongthe northernsideof the Eureka graben,whichformedduring resurgent doming of the...quartz-sulfideores (30%); (III) massivegalena-sphalerite-chalcopyrite-bornite-hema- rite ores(40%); (IV)...valuesof inclusionfluids from quartz, fluorite, sphalerite,and galena range from --96 to --135 per mil during...northerlyflow until they encountered the structuresof the Eureka graben. Here the primary mechanismof precipitationwas |  | | Report (issue) | | information: Colqui, Peru; Comstock, Nevada; Creede, Colorado; Goldfield, Nevada; Guanajuato, Mexico; Lake City...Oatman, Nevada; Pachuca-Real Del Monte, Mexico; Red Moutain, Colorado; Round Mountain, Nevada; Sunnyside...Sunnyside mine, Eureka district, Colorado; Summitvilie, Colorado; and Tonopah, Nevada. No data were found for...for the Silver City - De Lamar, Idaho district. The purpose of this report is to make this compilation...sensitivity gas chromatography on quartz and sphalerite from Creede by Roedder and Andrawes (unpub. data |  | | Journal (article/letter/editorial) | | GEOLOGISTS 1980 MultistageVein Ores of the Lake City District, Western San Juan Mountains,Colorado John,• F...Abstract Polymetallic vein ores of the Lake City district, in the western San Juan Mountains, Colorado,have...the Ute-Ulay mine, the largest producerof the district, titis assemblagehas been divided into four stages(from...massiverhodochrosite'and Id, late quartz-carbonate-fluorite.On a district-wide scale,the quartz-basemetal assemblage showsa...ed in minerals from many veins throughout the district. All observedinclusionsare simpleliquid-vaportypeswithout |  | | Journal (article/letter/editorial) | | Geography, Auburn University, Auburn, AL 36849, USA; E-Mail: saundja@auburn.edu; Tel.: +1-334-844-4884...sulfidation (LS) epithermal deposits in the western USA often show evidence of the former presence of nanoparticle-sized...the banded bonanza veins typical of many western USA epithermal deposits. Chalcopyrite is the most abundant...of these Tertiary banded bonanza ores in western USA (Figure 1) reveal some universal features in these...the bonanza low-sulfidation Sleeper deposit in Nevada supported the concept that gold (and silica) colloids |  | | Report (issue) | | oxidized zinc and zinc-lead ores in Colorado, Utah, Nevada, and California______________ 3. Types of supergene...recently production has been increasing in Utah and Nevada. The term "oxidized zinc deposits" is used in this...Alaska.. a Includes 550 tons from Davis, Murray County, Okla. 'Production to 1934 only. PART 1. GENERAL...of the oxidized zinc deposits in Colorado, Utah, Nevada, and California. (See also Heyl and Bozion, 1960...fluorspar-zinc district Upper Mississippi Valley zinc-lead district Valle Mines, Mo. Tri-State zinc district Arkansas |  | | Journal (article/letter/editorial) | | Rhodochrosite occurs in significant amounts in many mining districts of the Colorado mineral belt, a large...southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since the...Creek County 1. Sweet Home mine, Park County Climax mine, the Eagle 12. Moose mine, Gilpin County 2. Sunnyside...mine, San Juan County mine in Gilman, and var13. Julia Fiske mine, Leadville, Lake County 3. Mountain Monarch...Monarch mine, Ouray County 14. John Reed mine, Lake County ious mines in San Juan, 4. Grizzly Bear mine |  | | Journal (article/letter/editorial) | | 102, pp. 1129–1155 Bald Mountain Gold Mining District, Nevada: A Jurassic Reduced Intrusion-Related Gold...Colorado 80209 Abstract The Bald Mountain mining district has produced about 2 million ounces (Moz) of...with exhumation made them amenable to open-pit mining and processing using cyanide heap leach methods...methods. Introduction MINERAL DEPOSITS in Nevada account for about 70 percent of the Au produced in the United...Carlin-type Au deposits in the Carlin, Battle Mountain-Eureka, Getchell, and Independence (Jerritt Canyon) trends |  | | Report (issue) | | Geology of the Carlin Gold Deposit, Nevada U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1267 /Ju l/ /Ea..... 041).- Geology of the Carlin Gold Deposit, Nevada By ARTHUR S. RADTKE U.S. GEOLOGICAL SURVEY PROFESSIONAL...Arthur S., 1936— Geology of the Carlin gold deposit, Nevada. (Geological Survey professional paper ; 1267)...no.: I 19.16:1267 1. Gold ores—Nevada—Carlin region. 2. Geology—Nevada—Carlin region. I. Title. II. Series...� 5 Previous work � 6 History of the Lynn mining district � 7 Geology � 8 Sedimentary rocks � 8 Paleozoic |  | | 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) | | Replacement Deposits Part II Gold in the Tintic Mining District, Utah By HALT. MORRIS Gold Deposits in the...Bird Mining Districts, San Juan Mountains, Colorado By FREDERICKS. FISHER Gold in the Alma Mining District...R. SHAWE Precious Metals in the Leadville Mining District, Colorado By TOMMY B. THOMPSON Part I is Chapter...bibliographies. Contents: pt. 1. Bald Mountain gold mining region, northern Black Hills, South Dakota / by...Tintic Mining District, Utah / by Hal T. Morris. Gold in the Sneffels-Telluride and Camp Bird mining districts |  | | Journal (article/letter/editorial) | | New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801, USA Abstract. The San Cristobal...mineralization consisting of pyrite, chalcopyrite, sphalerite, and galena. Homogenization temperatures of primary...augelite (260-400°C), quartz (230-350 °C) and sphalerite (180-220 °C). The 63% values of H2S in solution...300°C for the first stage pyrite; 200°C for the sphalerite and galena and 250 °C for the second stage pyrite...Mineral Range (°c) Average (oc) Augefite Quar~ Sphalerite Siderite 260-400 230-350 180-220 135-140 340 |  | Siron, Chris R., Thompson, John F.H., Baker, Tim, Darling, Robert, Dipple, Gregory (2019) Origin of Au-Rich Carbonate-Hosted Replacement Deposits of the Kassandra Mining District, Northern Greece: Evidence for Late Oligocene, Structurally Controlled, and Zoned Hydrothermal Systems. Economic Geology, 114 (7) 1389-1414 doi:10.5382/econgeo.4664 | Journal (article/letter/editorial) | | Carbonate-Hosted Replacement Deposits of the Kassandra Mining District, Northern Greece: Evidence for Late Oligocene...Sciences, Cornell University, Ithaca, New York 14853, USA 2 Eldorado 3 Geology 4 Mineral Gold Corporation...University of New York, Cortland, New York 13045, USA Deposit Research Unit, University of British Columbia...massive sulfide orebodies of the Kassandra mining district belong to the intrusionrelated carbonate-hosted...with skarn and replacement sulfide throughout the district have isotopic compositions that are consistent |  | | Journal (article/letter/editorial) | | Recent Collecting Activity in SAN JUAN COUNTY, COLORADO B A R B A R A and J O H N M U N T Y A N 6978...material has been obtained from a number of San Juan County mines and prospects during the last decade, in...vicinity of Silverton, the principal town in the county. The American Tunnel, located just north of town...and has been the major source of specimens in the county. Most museums and many pri vate collections have...also a number of lesser-known mines in San Juan County from which fine mineral speci mens have been obtained |  | | Journal (article/letter/editorial) | | calcite, Minerva No. 1 Mine, Cave in Rock district, Har din County, Illinois. Harvard Mineralogical Museum...Quartz and chalcopyrite, Bandora mine, San Juan County, Col orado. Barbara and John Muntyan specimen...November-December: Gold, Jamestown, Tuolumne County, California. California State Mining and Mineral Exhibit specimen;...Tourmaline from Little Cahuilla Mountain, Riverside County, California, K. Gochenour, 440 Borates, 488 Bornite...Metamict Samarskites from the South Platte Pegmatite District, Colorado, 458 British Columbia, quartz, 459 Brunet |  | | Report (volume) | | and Handles Peak Wilderness Study Areas, Hinsdale County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1715-B...and Handles Peak Wilderness Study Areas, Hinsdale County, Colorado By RICHARD F. SANFORD, RICHARD I. CRAUCH...and Handles Peak Wilderness Study Areas, Hinsdale County, Colorado. (Mineral resources of wilderness study...Peak (CO-030-241) Wilderness Study Areas, Hinsdale County, Colorado. CONTENTS Summary 1 Abstract 1 Character...identified resources 9 Methods of evaluation 9 Mining history 9 Appraisal of sites examined 10 Redcloud |  | | 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) | | the 1997 Denver Show c Part 2: The Discovery, Mining History, Geology, and Specimen Mineralogy of Selected...in Colorado and the mining history and geology/mineralogy of the Front Range mining districts. In part...Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis and Streufert...cm (8.5 ounces), Ground Hog mine, Gilman, Eagle County. Harvard Mineralogical Museum specimen M8458, A...boom-and-bust cycle common to almost all these early placer mining camps, but it managed to hold on (barely) because |  | | Journal (article/letter/editorial) | | pyroxmangite, and sulfides such as galena and sphalerite. There is an interesting variety of reported...Franklin County; at Coventry and Irasburgh, Orleans County; and at Cavendish, Windsor County, Vermont... at Keene, and southeast of Hinsdale, Cheshire County, and elsewhere in New Hampshire and is reported...from Haddam, Middletown, and Portland, Middlesex County, Connecticut. In Rhode Island, rhodonite has been...in manganese prospects at Cumberland, Providence County. Downloaded by [Universite Laval] at 20:02 10 |  | | Report (issue) | | zinc, tungsten, and copper. In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San...San Juans one of Colorado's four great mining regions along with Leadville, Cripple Creek, and Central City...Above: August sunrise on middle Blue Lake, Ouray County Photo Jack Brauer/WideRange Photo LLC, 2010 Facing...(now the location of Silverton, Howardsville, and Eureka). Unfortunately, the rush failed because of the...1874, small mining camps had begun to appear. The towns of Silverton, Howardsville, and Eureka took hold |
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