 | Foley, Nora K., Caddey, Stanton W., Byington, Craig B., Vardiman, David M. (1993) Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado. Professional Paper 1537. US Geological Survey doi:10.3133/pp1537 | Report (issue) | | Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and Base-Metal Ores of the North Amethyst...Amethyst Vein System, Sari Juan Mountains, Mineral County, Colorado U.S. GEOLOGICAL SURVEY PROFESSIONAL...Alaska-Rm. 101, 4230 University Dr. • LAKEWOOD, Colorado-Federal Center, Bldg. 810 • MENLO PARK, California-Bldg...Mississippi-Bldg. 3101 Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and Base-Metal Ores...Amethyst Vein System, San Juan Mountains, Mineral County, Colorado By NORA K. FOLEY, STANTON W. CADDEY, CRAIG |  | | Report (issue) | | RECENT MINING DEVELOPMENTS IN THE CREEDE DISTRICT, COLORADO By ESPEK S. LAKSEN ABSTRACT The Creede district...in the Equity mine, which follows a reverse fault in the extreme northern part of the district. Silver...are rich in silver. Some of the tuff beds of the Creede formation are partly altered to bentonite, and...by Emmons and Larsen 1 on the Creede district was completed, the district has produced over $5,000,000...detailed to the work and spent about 10 days in the district in the summer of 192T and 3 days in August, 1928 |  | | Report (volume) | | 718 GEOLOGY AND ORE DEPOSITS OF THE ' CREEDE DISTRICT, COLORADO BY WILLIAM H. EMMONS AND ESPER S. LARSEN................................................. Mining and treatment of ores.......................................................................... Creede formation........................................III. Rocks of the Alboroto group Continued. Page. Equity quartz latite....................................58 58 59 59 59 59 59 60 CONTENTS. Chapter V. Creede formation..................................... |  | | Report (volume) | | 1420 Mineral Resources of the La Garita Wilderness, San uan Mountains, Sout iwestern Colorado By THOMAS... SURVEY BULLETIN 1420 An evaluation of the mineral potential of the area UNITED STATES GOVERNMENT...Garita Wilderness, San Juan Mountains, southwestern Colorado. (Studies related to wilderness wilderness areas)...Supt.ofDocs.no.: 119.3:1420 1. Mines and mineral resources Colorado La Garita Wilderness. I. Bieniewski,...survey these wilderness areas to determine the mineral values, if any, that may be present. The act also |  | | Corporate Document | | in 1891 in northern Idaho’s Silver Valley, Hecla Mining Company is the largest primary silver producer...pre-development/exploration properties in four world-class silver mining districts in the U.S. and Mexico. Hecla is headquartered...expected to come from the restart of the Lucky Friday mine, advancement of our pre-development projects, investing... Jr. president and chief executive officer the mine, but also chose to make a number of improvements...procedures, approaches, and oversight while the mine was down, including the development and implementation |  | | Journal (article/letter/editorial) | | 2014 Creede The last Wild West Silver Mining Camp in Colorado T he Creede mining district, located...and rugged San Juan Mountains of southwestern Colorado. Although silver was discovered in the area in...cause much excitement until 1889 when Nicholas C. Creede and his two partners found rich silver ore near...Amethyst, Last Chance, Commodore, and Bachelor. The mining encampment grew from a small settlement to a town...gravitated to mining boom towns. In 1890 the settlement was unofficially named Creede (Mumey 1949) in |  | | Report (issue) | | Control of Ore Deposition in the Creede District San Juan Mountains Colorado GEOLOGICAL SURVEY PROFESSIONAL...487 Prepared in cooperation with the Colorado State Metal Mining Fund Board Geology and Structural Control...Control of Ore Deposition in the Creede District San Juan Mountains Colorado , By THOMAS A. STEVEN and JAMES...487 ·Prepared in cooperation with the Colorado State Metal Mining Fund Board UNITED STATES GOVERNMENT...Fisher Quartz La ti te ___________________________ _ Creede Formation _____________________________ _ Surficial |  | | Report (issue) | | organization is carrying on for the direct advancement of mining interests throughout the country than can readily...two parts, the second part comprising papers on mineral fuels. These volumes for 1906, 1907, 1908, 1909...and 520. GOLD AND SILVER. NOTES ON THE GOLD LODES OF THE CARRVILLE DIS TRICT, TRINITY COUNTY, CALIFORNIA...writer spent 10 days in the Carrville district, Trinity County, Cal., and, incidental to other work,... gathered some data on its mining geology. A paper on the gold gravels x was pub lished, but baggage |  | | Thesis/Dissertation | | TDfl SbQ AEEAL GEOLOGY OF 0?HS CREEDE DISTRICT, COLORADO. By ' X ESEBR S* H B LARSEIT. S...Approved: The Areal Geology of The Greede Mining District, Esper 3. Larson. COKTEIIT3 Chapter I...volcanic series 22 Lower division Upper division The Creede formation The llacXenzie 26 .'-.fountain quartz...Megascopic. Microscopic, Outcrops and Weathering. Equity quarts 1 at its. General character and occurrence...Megascopic Microscopic Weathering and outcrops Creede Formation Chapter V. Name, general nature, and |  | | Corporate Document | | Casa Berardi mine. (front cover) Haul truck emerging from underground Greens Creek mine. FINANCIAL...P E R AT I O N A L D ATA Silver production (oz) Gold production (oz) 61,406 Cash cost, after by-product...81 $ Cash cost, after by-product credits, per gold ounce (1) $ 826 $ 951 Average silver price...28 Average gold price per ounce (London PM Fix) $ 1,266 $ 1,411 Average realized gold price per ounce...costs, after by-product credits, per silver and gold ounce represent non-U.S. generally accepted accounting |  | | Corporate Document | | R T Load-Haul-Dump loader at the Lucky Friday mine removing muck, or broken rock, from an active heading...Valley, Hecla Mining Company is a leading low-cost U.S. silver producer and a growing gold producer. The...pre-development properties in five world-class silver- and gold-mining districts in the U.S., Canada, and Mexico. Hecla...P E R AT I O N A L D ATA Silver production (oz) Gold production (oz) 64,249 Cash cost, after by-product...84 $ Cash cost, after by-product credits, per gold ounce (1) $ 951 $ – Average silver price per |  | | Report (issue) | | S.A. Carl E. Nelson, Mineral Consultant, 695 South Ogden Street, Denver, Colorado 80209, U.S.A. Harold...Nevada 89557-0088, U.S.A. Eiji Izawa, Department of Mining, Faculty of Engineering, Kyushu University 36,...hydrothermal systems that was part of the Symposium on Mineral Deposit Modeling, held December 5-14, 1985, in...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji; Unpub. Ph.D. dissertation, University of...S.A., 72 p. Ashley, R. P., 1974, Goldfield mining district, jLn Guidebook to the geology of four Tertiary |  | | Corporate Document | | 2015 Annual Report Hecla Mining Company was founded in 1891 in North Idaho’s fabled Silver Valley. One...later, it’s the oldest U.S.-based precious metals mining company – and the largest primary silver producer...candle. They’re underground at the original Hecla mine in Burke, Idaho, which yielded more than nine million...this mechanized rock bolter at the Greens Creek mine – dramatically increase not only miner safety, but...Silver production (oz) 11,591,603 11,090,506 Gold production (oz) 189,327 186,997 Employees OPERATIONAL |  | | Corporate Document | | Vancouver, BC Coeur d’Alene, Idaho Midas Elko County, Nevada Casa Berardi Montanore Libby, Montana...Hollister Elko County, Nevada Winnemucca, Nevada Reno, Nevada Hatter Graben Elko County, Nevada Aurora...Aurora Mineral County, Nevada Monte Cristo Esmeralda County, Nevada Fire Creek San Juan Silver Creede, Colorado...Colorado Lander County, Nevada operating mine/mill pre-development project exploration project corporate...d’Or, Quebec Heva–Hosco Val d’Or, Quebec silver & gold production corporate profile Ag (Moz) Au (Koz) |  | | Report (issue) | | Scientific and Cultural Organization (UNESCO) Mineral Deposit Modeling Program workshop Hydrothermal...1986, Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams,...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji: Unpub. Ph.D. dissertation, University of...46, p. 9-24. Ashley, R. P., 1974, Goldfield mining district, in Guidebook to the geology of four Tertiary...model for enargite-gold deposits, in Erickson, R. L., ed., Characteristics of mineral deposit occurrences: |  | | Journal (issue) | | Find your OwnAgate Collecting around Kremmling Colorado Morocco - The Country, The People and...Agates...Mindat.org Agates and Associated Minerals of Creede Colorado By Philip Persson PerssonRareMinerals.com ...information ranging from listing mineral localities, facts about mineral species, photographs of worldwide...to typical reference specimens), photographs of mineral localities (both modern and historical), publication...Copyrights Reserved 2014 - Printed in Denver, Colorado IDA CHAU’S JOURNAL FROM THE 3RD MINDAT INTERNATIONAL |  | | Corporate Document | | Idaho Midas Elko County, Nevada Winnemucca, Nevada Aurora (mill) Mineral County, Nevada Monte Cristo...Cristo Esmeralda County, Nevada 2017 2018 Lucky Friday Casa Berardi Val d’Or, Québec Val d’Or, Québec... Elko County, Nevada Hatter Graben Elko County, Nevada San Juan Silver Fire Creek Creede, Colorado...Colorado Lander County, Nevada 2019 G O L D R E S E RVES (MAuOz) 2.8 2.7 San Sebastian 2.3 Durango...Durango, Mexico operating mine/mill pre-development project exploration project corporate office 2017 2018 |  | | Report (volume) | | Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado GEOLOGICAL SURVEY --*_-...Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado By C. T. PIERSON, W. F. WEEKS...radioactivity in the metal-mining districts of the San Juan Mountains, Colorado, by C. T. Pierson, W. F..._______________ CeboUa district..______________________________ Upper Uncompahgre district. ______ _________________________...Uranium occurrences___________ ________ __ Bonanza district..____________________ ___________________ General |  | | Corporate Document | | 4 46% silver 53% silver 5 32% lead 9% lead 19% gold Casa Berardi San Sebastian 27% of consolidated...consolidated revenue 0 0.3% silver 64% silver 6 36% gold 99.7% gold Greens Creek Admiralty Island, Alaska Kinskuch...Esmeralda County, Nevada Creede, Colorado San Sebastian Durango, Mexico operating mine pre-development...Silver production (oz) 17,177,317 11,591,603 Gold production (oz) 233,929 189,327 Lead production... 5.85 Cash cost, after by-product credits, per gold ounce (2) $ 764 $ 772 4.6 Silver Production |  | | Journal (issue) | | Dunn, P. B. Leavens and C. Barnes Memoirs of a mineral collector — part I I I ..........................Dunn Inesite, a new U.S. occurrence near Creede, Mineral County, C o lo ra d o ..........................austinite, and plumbian conichalcite from La Plata County, Colorado ............................................ 38 by R. Cobban Metamict minerals at the Bemco mine near Cranberry Lake, New Jersey ..................Arizona, a major western focal point for mining and mineral collecting activity, not to mention the sunny |  | | Corporate Document | | remarkable 130 1891–2021 HECLA MINING COMPANY 2020 ANNUAL REPORT A remarkable year: A relentless...decades of success to come. FOUNDED IN 1891, HECLA MINING Greens Creek (Ag, Au, Pb, Zn) COMPANY IS THE...PRE-DEVELOPMENT PROJECTS IN Midas (Au) Elko County, Nevada WORLD-CLASS MINING DISTRICTS THROUGHOUT NORTH AMERICA...(Au) Elko County, Nevada San Juan Silver (Ag, Pb, Zn) Mineral County, Nevada Esmeralda County, Nevada...Nevada Casa Berardi (Au) Elko County, Nevada Aurora (Au) Monte Cristo (Au) Opinaca/Wildcat (Au) James |  | | Corporate Document | | Esmeralda County, Nevada Val d’Or, Quebec Heva–Hosco Val d’Or, Quebec San Juan Silver Creede, Colorado...Colorado operating mine San Sebastian Durango, Mexico pre-development project exploration project corporate...Silver production (oz) 12,484,844 17,177,317 Gold production (oz) 232,684 233,929 Lead production...All-in sustaining cost, after by-product credits, per gold ounce (1) $ 1,174 $ 1,244 Cash cost, after... 3.10 Cash cost, after by-product credits, per gold ounce (2) $ 820 $ 764 (1) All-in sustaining |  | | Corporate Document | | Founded in 1891, Hecla Mining Company is the largest silver producer in the United...properties and pre-development projects in world-class mining districts throughout North America. FINANCIAL...Silver production (oz) 12,887,240 13,542,957 Gold production (oz) 201,327 208,962 Lead production...Cash cost, after by-product credits, per silver and gold ounce, are non-GAAP measurements. A reconciliation...exploration, and sustaining capital costs at the mine sites. AISC, after by-product credits, for our consolidated |  | | Corporate Document | | and transition to clean energy. A strong domestic mining industry is critical to reaching these goals, and...a proud legacy of responsible mining since 1891, we’re the oldest mining company on the New York Stock...resulted largely from the COVID-19 pandemic, global mine production is recovering. ...level since 2015. “I think this is the decade of mining. It’s a great time to be in the industry, especially...world can’t reach climate change goals without mining. Silver is a critical part of the clean energy |  | | Report (issue) | | Uytenbogaardtite Ag3 AuS2 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: rims. Tetragonal...3 100.1 100.0 100.00 (1) Comstock Lode, Nevada, USA; by electron microprobe. (2) Zmeinogorsk, Russia;...Distribution: In Indonesia, from Tambang Sawah, Benkoelen district, Sumatra [TL], and on Java, at the Pongkor Au–Ag...deposit and in the Cirotan Au–Ag–Sn–W deposit. In the USA, in Nevada, from the Comstock Lode, Virginia City...Bullfrog district, Nye Co., and in the Life Preserver mine, Tolicha district; from the Equity mine, near |
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