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| at Silver Reef in southwestern Utah’s Washington County (figure 1) is a very unique occurrence. The high-grade...City cuts right through the middle of the Mining District. (Continued on page 2) The Moravian Territorial...km2), but with a rich and world- famous history of mining and associated mineralogy. In the city of Brno...Chlorargyrite, on and impregnating Sandstone, Silver Reef District, Washington Co., UT, 6 x 5 x 3 cm. Author’s specimen...Sandstone. Figure 3: Geologic map of the Mining District showing the outcrops of the Springdale Sandstone |
 | | 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 Lander County, Nevada operating mine/mill pre-development project exploration project corporate...EBITDA(1) (millions) $ $ Founded in 1891, Hecla Mining Company (NYSE:HL) is a leading low-cost U.S |
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| which is hosted by the New Mexico Institute of Mining and Technology and organized by the New Mexico...San Pedro Mine in Santa Fe County, and along with his son Phillip is actively exploring the mine for minerals...minerals. The San Pedro Mine is perhaps best known for producing beautiful specimens of finely crystalline...crystalline a !lnd wire gold which have been etched from calcite. It is also w-enowned for large chalcopyrite crystals...malachite and associated with white, scalenohedral calcite crystals that are usually stained with iron oxides |
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| 20 1 RESILIENCE 2019 ANNUAL REPORT Hecla is resilient. Over our 129-year history, we have faced many...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...d’Or, Québec Hollister Elko County, Nevada Hatter Graben Elko County, Nevada San Juan Silver Fire...Fire Creek Creede, Colorado Lander County, Nevada 2019 G O L D R E S E RVES (MAuOz) 2.8 2.7 San Sebastian |
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| 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 |
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| remarkable 130 1891–2021 HECLA MINING COMPANY 2020 ANNUAL REPORT A remarkable year: A relentless...anything in recent memory. A remarkable company: Hecla chose to meet the challenge head-on, successfully...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 |
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| SURVEY GEORGE OTIS SMITH, DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |
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| RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation with Nevada Bureau of Mines...Acknowledgment -Mining districts Commodities Production Descriptions of mining districts . Alder district-Aura district...district -Beaver district Black Mountain district Bootstrap district Burner district Burns Basin district--...-Carlin district Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia...Cornucopia district - -Corral Creek district - Decoy district Delano district Delker districtDivide district |
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| in Nevada Martin Jensen Earth Science Consultants Associated 1242 Glendale Avenue Sparks, Nevada 89413...may come as somewhat or a surprise to learn that Nevada could actually be considered a prominent worldwide...have been exposed by recent or currently active mining operations. The following disContinued on page...Gold Quarry Mine, Eureka County, Nevada. from the Radersburg District, Broadwater County, Montana Mike...small wulfcnite crystals found at the Broadwater County, Montana (Sec. 28, T 5 N, R 1 W), some interesting |
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| Terlingua-type fluorescent calcite. fluorescent orange calcite cleavages and well formed calcite crystals were found...mail : Wydar8®aol.com Ortoher 2000 eD_enver Mine rnl News Continued from page 1 net size. Francois...rate req uests to Mine ra l News, P .O . Box 2043, Coeur d'Alene , ID 83816 -2043 USA Phone: 208-664-2448...supply of Japan law twin quartz from Pampa Bl anca Mine. Peru. These are singles and matri x specimens up...there were large clusters of amethyst from the Anahi Mine, Bolivia. These are not the ametrine crystal s but |
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| By WALTER HARVEY WEED. INTRODUCTION. Copper mining in the United States has had a marvelously rapid...greatest individual increase that of the Copper Queen mine at Bisbee, Ariz. The following table shows the production...550,000 700, 000 10,000 814,035,719 "Salt Lake Mining Review, Annual Review number, January, 1906. The...Stevens, Horace J., Mining World, Jan. 27, 1905; and information furnished the writer by mine owners and managers...is shown in PI. III. The Butte, Mont., copper district is the greatest silver-producing camp of the entire |
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| with a large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives...Native copper crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard A. Kosnar...(1929) is considered to be the classic for the district. Many of these works are currently out of print...and research will serve as an overview of the district and as a framework from which interested persons...location and associated geology of the mines in the district. Historical and production information is summarized |
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| O. Box 586 Ouray, Colorado 81427 he White Pine mine and adjacent town of White Pine are located about...Lake Superior in the western part of Ontonagon County, Michigan. The area is accessible by Michigan Highway...to 500 feet in elevation above Lake Superior. The mine lies within a belt of copper-bearing Precambrian...that are situated to the east and northeast of the mine. The host rock for the White Pine deposit is a series...when underground operations were suspended. The mine has 13 square miles of underground workings and |
 | | Journal (article/letter/editorial) |
| rl,rp,, ,,I I r,,,,l>,l\ T HE MICHIGAN COPPER DISTRICT stretches in a southwest-northeast direction along...from the White Pine mine in Ontonagon County to Copper Harbor in Keweenaw County. Copper mineralization...mineralization occurs in two types of deposits in the district: (1) the sediment-hosted stratiform sulfide (chalcocite)...(chalcocite) deposit at the White Pine mine and (2) the world-class native copper deposits that occur in...this type of lode start- ed in 1856 at the Quincy mine. Later came the conglomeratehosted deposits, in |
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| Bulletin 732 GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY, IDAHO BY JOSEPH B. UMPLEBY AND E. L. JONES...Interstate-Callahan mine_________________ Success mine __________________________ Rex mine____________________________...deposits to other deposits in the Coeur d'Alene district ___________________ 120 Antimony deposits_____...topography of Shoshone County, Idaho____ V. A, Valley of Milo Creek, Shoshone County, Idaho; B, Summit topography...the 900-foot level of the Bunker Hill and Sullivan mine _____________________________ I.. Geologic sections |
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| 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 |
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| Resumption of Activities at the Howell Mine BY WILL C. HIGGINS The Howell Mining Company, of Salt Lake City, is...property in the South Fork The property of the Howell Mining Com of Big Cottonwood canyon, about twentyfive...the great Cardiff mine, its near to the discovery of the property of the Howell Mining Company, of the...-roots. The discovery of the Howell reads al district has been not most like a romance . ed for its...ment and operation , the richest portion of and mining activities were inaugurated in Utah the Big a |
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| to preserve and promote the unique geologic and mining heritage of Wisconsin while underscoring the importance...jarosite crystals on matrix from the McLean Mine, Esmeralda Co., Nevada. The Martian material was considerably...manufacturer’s standards. NIST Price: $556.00 Hard Rock Mine Waste (SRM 2780a) This Standard Reference Material...analysis used to determine elements in hard rock mine waste and materials of a similar matrix. SRM 2780a...material collected from waste piles of abandoned mine sites in the mountains of central Colorado. A unit |
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| years ago. This is due to the yearly crushing of mine dumps for logging road construction, road repairs...industrial projects. Posting of privately owned mine sites also had increased due to liability concerns...field trip is held to the Wolverine #2 mine, Kearsarge, Houghton County, Michigan. The collecting guides for...13 July 2022. Kyanite from Balsam Gap, Buncombe County, North Carolina Tony Nikischer tony@excaliburmineral...collecting sites as Idaho, Washington, Arizona, Nevada etc., although he also had great quantities of |
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| Figure 2. A generalized map of the Michigan copper district showing the location of new finds mentioned in...arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered from Lake...fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV aecilS mens of ...analcime/calcitecrystal groups from the Rhode Island mine. This article describes these and other finds made...the White Pine mine at the southern end of the district. Keweenaw Point, Keweenaw County The waters off |
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| 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 |
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| GEOLOGY AND ORE DEPOSITS OF THE OCEUR D'ALENE DISTRICT, IDAHO BY RANSO~IE FREDERICK LESLIE AND FRANK.... ..... . . 65 Structural subdivisions of the district. . ................................•.. .. ......-Structure-Continued. Structural subdivisions of the district-Continued. Page. Southeastern area ... _. ___..._________ . _..... __ ._ .... _.... __ 78 History of mining development .. ______ .. ___ . __________ . _______... _________ ._ .. ____ .. __ .____ 84 Mines and mining ___ .. _... _______ . ________ . _. ____ . ___ |
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| Newsletter $6.00 The Ravine, Fine, St. Lawrence County, New York An Obscure Mineral Locality Re-Discovered...reported that several collectors in the St. Lawrence County Mineral Club had told him about an old locality...location of The Ravine at end of orange arrow. Calcite Crystals from Jebel Hafeet, Emirate of Abu Dhabi...Hafeet. An occurrence of mainly scalenohedral calcite crystals has been found near the summit of Jebel...green prismatic crystals originally embedded in calcite, but often weathered free. Some crystals are 10 |
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| were some of the words used to describe a lluorite mine in the San Andres Mountains of New Mexico. The author...location for a possible collectin_g ve~ture. The mine was determined to be the Bohrnstedt lluonte mme...for us to reach the mine. This was accomplished and we eventually reached the mine (which included a hike...crystals covered the mine area and it appeared that no one had visited the mine since the U. S. Army...Army had closed the area in the 1940s. The "mine" was really a prospect as it consisted of a trench cut through |
 | | Corporate Document |
| 2012 Copper King Mine, Silver Crown District, Wyoming (Preliminary Report) W. Dan Hausel Independent...Gilbert, Arizona 11/14/2012 COPPER KING MINE, SILVER CROWN DISTRICT W. Dan Hausel, Independent Geologist...Arizona Introduction The Silver Crown district (also known as Hecla) lies 20 miles west of Cheyenne and...the Laramie Range. The district is visible on Google Earth (search for ‘Hecla, Cheyenne, WY’) and lies...all mining and exploration activity in the district centered on the Copper King mine and the Hecla ghost-town |
