 | | Journal (article/letter/editorial) | | Ag-enrichment in fahlores from the Coeur dAlene mining district, Idaho, USA R. O. SACK1,*, S. M. KUEHNER1 1 2 AND...Seattle, WA, 98195 1310, USA Sunshine Precious Metals Inc., Kellogg, ID 83837, USA ABSTR ACT Tetrahedrite...Tetrahedrite fahlores from the Coeur d’Alene mining district (Idaho) have been found to be enriched in Ag by the...solid-state reaction may explain why previous district studies have been unable to demonstrate convincingly...tetrahedrite fahlores found in the Coeur d’Alene district and elsewhere, we conclude that the thermodynamic |  | | Report (issue) | | Idaho Mining and Exploration, 2009 Virginia S. Gillerman Earl H. Bennett Staff Report 10-5 June 2010...2010 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014 Idaho... Idaho Mining and Exploration, 2009 Virginia S. Gillerman Earl H. Bennett Staff Reports present timely...June 2010 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...Introduction ……………………………………………………………………………. 1 Metal Mining …………………………………………………………………………... 2 Phosphate Industry |  | Nadoll, P., Mauk, J. L., Hayes, T. S., Koenig, A. E., Box, S. E. (2012) Geochemistry of Magnetite from Hydrothermal Ore Deposits and Host Rocks of the Mesoproterozoic Belt Supergroup, United States. Economic Geology, 107 (6) 1275-1292 doi:10.2113/econgeo.107.6.1275 | Journal (article/letter/editorial) | | geologic settings in western Montana and northern Idaho has distinct geochemical signatures: (1) greenschist...hydrothermal Ag-Pb-Zn veins of the Coeur d’Alene district, (4) extensively deformed and partially altered...Belt Supergroup host rocks from the Coeur d’Alene district, and (5) two Cretaceous postmetamorphic igneous...and host-rock magnetite from the Coeur d’Alene district. In contrast, magnetite from postmetamorphic igneous...magnetite. Hydrothermal magnetite from the Gold Hunter siderite vein shows characteristically high values |  | | 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 (issue) | | Idaho Mining and Exploration, 2013 Virginia S. Gillerman Earl H. Bennett Staff Report S-15-2 August...August 2015 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho 875 Perimeter Drive MS...MS 3014 Moscow, Idaho 83844-3014 Phone 208-885-7991 IdahoGeology.org Idaho Mining and Exploration, 2013...S-15-2 August 2015 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho 875 Perimeter Drive...Drive MS 3014 Moscow, Idaho 83844-3014 Phone 208-885-7991 IdahoGeology.org Contents Introduction …… |  | | Journal (article/letter/editorial) | | Origin of high-Ag fahlores from the Galena Mine, Wallace, Idaho, U.S.A. RICHARD O. SACK,1,2,* ROB FREDERICKS...Box 440, Wallace, Idaho 83873-0440, U.S.A. 4 2153B Old River Road, Kingston, Idaho 83839, U.S.A. 5 Department...fahlores from the Galena Mine of the Coeur d·Alene Mining District (Wallace, Idaho) have been found to be...yet found [molar Ag/(Ag + Cu) = 0.443] in the district, and forms a secondary overprint on any primary...temperatures obtained for the Gold Hunter vein of the Lucky Friday Mine. This result and the absence of |  | | Journal (article/letter/editorial) | | Ag-Pb-Zn Vein Mineralization in the Coeur d’Alene District, Idaho JEFFREY L. MAUK† Geology Department, University...Ag-Pb-Zn vein ore in the Coeur d’Alene district of northern Idaho. Although it had long been recognized...for most of the first 100 yr of mining in this district. In northern Idaho and western Montana, the Revett...middle, and upper members. In the Coeur d’Alene district, most ore production south of the regionally significant...Formation. Base metal veins in the Coeur d’Alene district occur in relatively thick, chemically reduced |  | | Report (issue) | | Idaho Mining and Exploration, 2011 Virginia S. Gillerman Earl H. Bennett Staff Report S-12-3 November...November 2012 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...83844-3014 Idaho Mining and Exploration, 2011 Virginia S. Gillerman Earl H. Bennett Staff Reports present...November 2012 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...………………………………………………………………………….... 1 Metal Mining …………………………………………………………………………. 4 Phosphate Mining …………………………………………………………………… |  | | Journal (article/letter/editorial) | | hydrothermal silver-lead-zinc vein, Lucky Friday mine, Coeur d’Alene mining district, U.S.A. Patrick Nadoll* aNd...Zealand abstract The Coeur d’Alene mining district of northern Idaho is one of the major Ag-Pb-Zn producers...spectroscopy of samples from the Gold Hunter vein of the Lucky Friday mine revealed the presence of the rare...significantly. However, the veins in the Coeur d’Alene district formed well outside the wüstite stability field...d’Alene district. Keywords: Coeur d’Alene district, Belt Supergroup, Lucky Friday, Gold Hunter, Ag-Pb-Zn |  | | Report (issue) | | Idaho Mining and Exploration, 2014-2015 Virginia S. Gillerman Alexis Clark Mark Barton Earl H. Bennett...June 2021 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...83844-3014 Idaho Mining and Exploration, 2014-2015 Virginia S. Gillerman Alexis Clark Mark Barton Earl H....standards. Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...……………………………………………………………………………...5 Metal Mining ………………………………………………………………………….....8 Phosphate Mining ………………………………………………………………………11 |  | | Journal (article/letter/editorial) | | Coeur d'Alene Mining District Basedon Ore Depositsand StructuralData EARL H. BENNETT Idaho Bureauof Mines...Mines and Geology,Morrill Hall, Universityof Idaho, Moscow,Idaho 83843 AND RAMESH VENKATAKRISHNAN Department...resultsof two suchreconin the Coeur d'Alene mining district in Idaho exstructions, one basedon the mineral...productionfrom the Sunshine mine of more silver than the fabled Comstock of the district. An interpretation of...previouslydescribed.An analysisof fault movements in the district is also useful in explainingore-controlling structuresthat |  | | Report (issue) | | Ore Deposits of the Coeur d'Alene District Shoshone County, Idaho GEOLOGICAL SURVEY PROFESSIONAL PAPER... Ore Deposits of the Coeur d'Alene District Shoshone County, Idaho By VERNE C. FRYKLUND, ]R. With a section...section on THE BLEACHED ROCK IN THE COEUR D'ALENE DISTRICT By PAUL L. WEIS GEOLOGICAL SURVEY PROFESSIONAL...comprehensive study of the Coeur d'Alene mining district, Idaho UI\ITED STATES GOVERNMENT PRINTING OFFICE...Scheelite __________________________________ _ Quartz ___________________________________ _ Adularia |  | Fleck, R. J., Criss, R. E., Eaton, G. F., Cleland, R. W., Wavra, C. S., Bond, W. D. (2002) Age and Origin of Base and Precious Metal Veins of the Coeur D'Alene Mining District, Idaho. Economic Geology, 97 (1) 23-42 doi:10.2113/gsecongeo.97.1.23 | Journal (article/letter/editorial) | | Precious Metal Veins of the Coeur D’Alene Mining District, Idaho ROBERT J. FLECK,† U.S. Geological Survey...Kellogg, Idaho 83837 Abstract Ore-bearing quartz-carbonate veins of the Coeur d’Alene mining district yield...that the ore-bearing veins of the Coeur d’Alene district formed during the Cretaceous from components scavenged...Belt Supergroup, the primary host rocks of the district. Proterozoic Pb isotope ratios observed in galena...rocks decrease from the Coeur d’Alene district toward the Idaho and Kaniksu batholiths, approximately |  | | Journal (article/letter/editorial) | | ORIGIN OF QUARTZ-CARBONATE VEINS ASSOCIATED WITH THE COEUR D’ALENE MINING DISTRICT, IDAHO AND WESTERN...analyses of quartz-carbonate veins associated with the Coeur d’Alene mining district, Idaho and western...calcite-dominant veins. Introduction The Coeur d’Alene mining district is one of the most important sources of Pb...of Idaho and Montana, a structural zone that extends ~160 km southeast from Coeur d’Alene, Idaho, to...and ore-barren quartz-carbonate hydrothermal veins in the Coeur d’Alene mining district have been debated |  | | Report (issue) | | MILL TAILINGS IN THE COEUR D'ALENE MINING REGION, SHOSHONE COUNTY, IDAHO; PRELIMINARY ESTIMATES by Keith...1998 ABSTRACT The Coeur d'Alene mining region in northern Idaho has produced 34,300 metric tons of... The Coeur d'Alene mining region is the largest silver-producing mining district in the world, exceeding...exceeding even that of the Cerro Rico de Potosf district in Bolivia. Due to the relatively low grade of many...were introduced at the beginning of commercial mining operations in 1886. About 130 million metric tons |  | | Report (issue) | | d'Alene District, Idaho and Montana Geochemical-Exploration Studies in the Coeur cTAlene District, Idaho...1116 The geochemistry of the Coeur d'Alene mining district, including the modifications that have been...1912Geochemical-exploration studies in the Coeur d'Alene District, Idaho and Montana. (Geological Survey Professional...40 I. Geochemical prospecting Coeur d'Alene Mining District. I. Cathrall, John B., joint author. II. Title........................................ Gem-Gold Hunter belt ............................... Rex-Snowstorm |  | | Corporate Document | | in 1891 in northern Idaho’s Silver Valley, Hecla Mining Company is the largest primary silver producer...silver mining districts in the U.S. and Mexico. Hecla is headquartered in Coeur d’Alene, Idaho, and has...expected to come from the restart of the Lucky Friday mine, advancement of our pre-development projects...the company’s cash flow in 2012. Even with the Lucky Friday down last year, Hecla remained the largest primary...the 12 years that I’ve been with Hecla. At the Lucky Friday, we not only completed rehabilitation work on |  | | Report (issue) | | (CRIB) DATA FOR THE WALLACE 2° QUADRANGLE, NORTHERN IDAHO AND NORTHWESTERN MONTANA, PART A by G. J. Orris... Stockholm Placer Triangle Mine Eclipse and Van Ness Placer Tucker Gulch Placers Quartz Creek Placer Mines Tami...Bonanza Group Barite Mine Gildersleeve Mine Windfall Creek Placer Meadow Creek Placer Mine Floodwood Creek...Creek Mine Unnamed Lode Bonanza Group Mine Superior Placer Stemwinder Placer Mine American Gold Mine Redemption...2 3 4 5 6 7 8 9 10 11 12 13 14 15 Golden Sunset Mine East Montreal Placer Sturgen Placer Blue Jay Placer |  | | Journal (article/letter/editorial) | | Veins Associated with the Coeur d’Alene Mining District, Idaho PHILIP E. ROSENBERG† AND PETER B. LARSON...adjacent to the Coeur d’Alene mining district. Oxygen isotope ratios for quartz from the calcite-dominant...15.5 per mil, respectively. Previous studies of quartz from the Ag-producing veins give average ratios...13.0 to 16.0 per mil and –6.9 to –2.8 per mil. Quartz-ankerite fractionations lie between 1.1 and 2.9...270° to 320°C). Quartz-calcite oxygen fractionations are scattered, as are the quartz-ankerite fractionations |  | | Corporate Document | | Casa Berardi mine. (front cover) Haul truck emerging from underground Greens Creek mine. FINANCIAL...rounding. HL . 1 Mechanized rock bolter at Lucky Friday mine. HL . 2 strength through flexibility s...h a re holde r let te r As you well know, the mining sector has While the downturn in the precious...operating well and showing consistent growth. Lucky Friday continues to impress, with production more than...base metals in 2014; 45 percent at Lucky HL . 3 LIQUIDIT Y Friday. While silver and gold prices have |  | | Report (issue) | | Idaho Mining and Exploration, 2016-2017 Virginia S. Gillerman Earl H. Bennett Alexis Clark Mark Barton...June 2021 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...83844-3014 Idaho Mining and Exploration, 2016-2017 Virginia S. Gillerman Earl H. Bennett Alexis Clark Mark...standards. Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...…………………………………………………………………………..... 4 Metal Mining ……………………………………………………………………………7 Phosphate Mining …………………………………………………………………… |  | | Corporate Document | | E P O R T Load-Haul-Dump loader at the Lucky Friday mine removing muck, or broken rock, from an active...in 1891 in northern Idaho’s Silver Valley, Hecla Mining Company is a leading low-cost U.S. silver producer...producer. The company owns operating mines in Alaska, Idaho, and Quebec, as well as exploration and pre-development...properties in five world-class silver- and gold-mining districts in the U.S., Canada, and Mexico. Hecla...Hecla is headquartered in Coeur d’Alene, Idaho, with a sister office in Vancouver, B.C. Its common stock |  | | Report (issue) | | Report .,, &;- ... . '"' of the ,.. MINING INDUSTRY OF IDAHO for 1957 GEORGE A. McDOWELL - , Inspector...Secretary 58th Annual Report of the MINING INDUSTRY OF IDAHO for 1957 GEORGE A. McDOWELL EDWARD A...ROBERT E. SMYLIE Governor, State of Idaho Chairman, Board of Control Idaho Bureau of Mines and Geology LETTER...EXCELLENCY, THE HONORABLE ROBERT E. SMYLIE, Governor of Idaho. SIR: With the permission of the Director of Administration...Administration under Section 59-601 and Section 47-111, Idaho Code, I have the honor to transmit herewith the |  | | 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...They’re underground at the original Hecla mine in Burke, Idaho, which yielded more than nine million tons...this mechanized rock bolter at the Greens Creek mine – dramatically increase not only miner safety, but...gave us 100 percent ownership of the Casa Berardi mine in Quebec, Canada. HL / 1 Dear Fellow Shareholder |  | | Corporate Document | | Montana Vancouver, BC Coeur d’Alene, Idaho Midas Elko County, Nevada Casa Berardi Montanore Libby...Montana Val d’Or, Quebec Lucky Friday Mullan, Idaho Hollister Elko County, Nevada Winnemucca, Nevada...Graben Elko County, Nevada Aurora Mineral County, Nevada Monte Cristo Esmeralda County, Nevada Fire...Juan Silver Creede, Colorado Lander County, Nevada operating mine/mill pre-development project exploration...EBITDA(1) (millions) $ $ Founded in 1891, Hecla Mining Company (NYSE:HL) is a leading low-cost U.S. silver |
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