 | | Journal (article/letter/editorial) | | Mineralization in the Comstock District, Nevada DONALD M. HUDSON† 1540 Van Petten Street, Reno, Nevada 89503 Abstract...metal deposits of the world-renowned Comstock district of western Nevada constitute one of several superimposed...superimposed Miocene hydrothermal systems. In the district, Mesozoic metasedimentary and igneous rocks are...kaolinite alteration exposed at the periphery of the district may be linked to preore alteration near the paleowater...and in the lower parts of orebodies in the Comstock lode, but it was deposited in the upper parts of |  | | Journal (article/letter/editorial) | | of Compartmentalized Fluid Flow, Comstock Lode, Virginia City, Nevada BYRON R. BERGER,† U.S. Geological...V. TINGLEY, Nevada Bureau of Mines and Geology, University of Nevada, Reno, Reno, Nevada 89557 AND LAWRENCE...vein district world class. In the world-class silver- and gold-producing Comstock mining district, Nevada...of evidence lead to the conclusion that the Comstock lode is localized in an extensional stepover between...fault zone, the Comstock fault, and along one of the bounding lateral fault zones, the Silver City fault. |  | Yang, K., Huntington, J. F., Boardman, J. W., Mason, P. (1999) Mapping hydrothermal alteration in the Comstock mining district, Nevada, using simulated satellite‐borne hyperspectral data. Australian Journal of Earth Sciences, 46 (6) 915-922 doi:10.1046/j.1440-0952.1999.00754.x | Journal (article/letter/editorial) | | Mapping hydrothermal alteration in the Comstock mining district, Nevada, using simulated satellite-borne hyperspectral...P. MASON1 1 CSIRO Division of Exploration and Mining, PO Box 136, North Ryde, NSW 1670, Australia. Analytical...Geophysics, 4450 Arapahoe Avenue, Boulder, CO 80303, USA. 2 Hydrothermal alteration mapping with spaceborne...hyperspectral data was simulated in the Comstock mining district, Nevada in order to evaluate the mineral mapping...change in alteration assemblages across the Comstock and Silver City Faults, and a gradual variation from |  | | Corporate Document | | 001-35200 COMSTOCK MINING INC. (Exact name of registrant as specified in its charter) Nevada 65-0955118...Each Exchange on Which Registered Common Stock LODE NYSE American Securities Registered pursuant to...BUSINESS RISK FACTORS PROPERTIES LEGAL PROCEEDINGS MINE SAFETY DISCLOSURES 6 17 32 40 41 PART II ITEM...and/or non-mining properties for sale; future industry market conditions; future changes in our mine planning...mercury remediation, metal recycling, processing or mining activities; costs, hazards, and uncertainties associated |  | Vikre, Peter G., McKee, Edwin H., Silberman, Miles L. (1988) Chronology of Miocene hydrothermal and igneous events in the western Virginia Range, Washoe, Storey, and Lyon counties, Nevada. Economic Geology, 83 (4) 864-874 doi:10.2113/gsecongeo.83.4.864 | Journal (article/letter/editorial) | | WESTERN VIRGINIA RANGE, WASHOE, STOREY, AND LYON COUNTIES, NEVADA PETER G. VIKRE, ASARCOIncorporated...Menlo Park laboratories. forms the Comstock,Silver City, Occidental, and The decayconstants usedfor 4...pervasivelyaltered quartz-aluniterocks zonitein the Utah mine (Comstocklode footwall)is have formed in extrusive...donein the labora- walls and footwalls of the Comstock, Silver City, tories of the U.S. GeologicalSurvey... (10• YRS) QUARTZ-ALUNITE ASSEMBLAGE COMSTOCK/OCCIDENTAL SILVER CITY/FLOWERY ASSEMBLAGE mal• • • r |  | | Corporate Document | | full economic feasibility, supporting a decision to mine Entitle the Dayton-SV Complex with geotechnical...Validate the Comstock NSR Royalty portfolio (Lucerne Mine, Occidental Lode, Comstock Lode, etc.) Commercialize...System w Establish the technical efficacy of MCU’s Comstock Mercury System, protect the intellectual property...third-party, junior mining securities responsibly, for $12.5 million+ Monetize our non-mining assets for $12...positioning the Comstock for growth beyond 2023. We are innovating and transforming global mining, on the historic |  | | Corporate Document | | 001-35200 COMSTOCK MINING INC. (Exact name of registrant as specified in its charter) Nevada 1040 65-0955118...2 ITEM 3 PROPERTIES LEGAL PROCEEDINGS ITEM 4 MINE SAFETY DISCLOSURES 5 10 21 27 28 PART II ITEM...industry market conditions; future changes in our mine planning, exploration activities, production capacity...difficulties in connection with exploration or mining activities; contests over our title to properties;...for gold or certain other commodities (such as silver, zinc, cyanide, water, diesel fuel, and electricity); |  | | Corporate Document | | eliminating our debt, growing the quality gold and silver resources and reserves throughout this year and...sustainable, responsible Nevada mining. Our team received the 2017 Nevada Excellence in Mine Reclamation Award...Lucerne-related mine reclamation including the realignment of State Route 342 and reclamation of historic mine features...received the 2015 Nevada Excellence in Mine Reclamation Award for the Keystone mine cut reclamation and...historic rehabilitation, in partnership with the Comstock Foundation for History and Culture. We are also |  | | Journal (article/letter/editorial) | | Relations in the Comstock Lode PETER G. VIKRE ASARCO, Inc., 510 East Plumb Lane, Reno, Nevada 89502 Abstract...Comstockdistrict 15 mi (24 km) southeastof Reno,Nevada,formed 13.7 Ma in Mioceneeruptiverocksof the Alta...at the northend of the lode (CedarHill) to <235øC at the southend of the lode (AmericanFlat), contained<1...additional bonanzas awaitdiscovery alongunexplored Comstock faultsegments withindeclining palcothermalgradientsto...north. 0361-0128/89/982/1574-3053.00 15 74 COMSTOCK LODE,FLUID-MINERALRELATIONS Introduction THE Comstocklodeis |  | | Report (issue) | | Rocks in Parts of the Virginia City Quadrangle, Nevada GEOLOGICAL SURVEY PROFESSIONAL PAPER 936 ...Rocks in Parts of the Virginia City Quadrangle, Nevada By DONALD H. WHITEBREAD GEOLOGICAL SURVEY PROFESSIONAL...rocks in parts of the Virginia City quadrangle, Nevada. (Geological Survey Professional Paper 936) Bibliography:...Volcanic ash, tuff, etc.-Nevada-Storey Co. 2. Volcanic ash, tuff, etc.-Nevada-Lyon Co. 3. Geology, StratigraphicMiocene...Metamorphism (Geology) 5. Geochemistry-Nevada-Storey Co. 6. Geochemistry-Nevada-Lyon Co. I. Title. II. Series: |  | | Report (issue) | | Deposits-Part I The Goldfield Gold District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH LEY The Tonopah...Precious-metal District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH LEY The Republic Gold District, Ferry...Ferry County, Washington By MORTIMER H. STMTZ and ROBERT C. PEARSON The Comstock Lode Precious-metal District...District, Washoe and Storey Counties, Nevada By WILLIAM C. BAGBY and ROGER P. ASH LEY U.S. GEOlOGICAl...1857H 1 Gold ores-Nevada 2 Gold ores-Wash1ngton-Ferry County 3 Hydrothermal deposits-Nevada 4 Hydrothermal |  | | Report (chapter) | | volcanism: a review R. H. Sillitoe Department of Mining Geology, Royal School of Mines, Imperial College...following their accumulation. Copper and subordinate silver were leached from the volcanic rocks and deposited...metals in various proportions, but also base metals. Silver occurs as argentite (or acanthite) and arsenic-...indicated by figures of more than 1000 000 000 oz of silver from both Pachuca and Guanajuato. Furthermore,...mines have yielded more than $1000 000 000 worth of silver and gold at present metal prices. The belt is broadly |  | | Report (issue) | | OUTLINE OF THE GEOLOGY OF THE CQMSTOCK LODE DISTRICT, NEVADA Washington, D, C. UNITES £TAT3£ DEPARTMENT...OUTLINE OF THE GEOLOGY OF THE COMSTOGK LODE DISTRICT, NEVADA F. C. Calkins CONTENTS Abstract ........................ Settlements, water supply, and mine openings ........ Routes of travel ...............31 31 32 Comstock fault ................... Silver City fault ................. Occidental fault ........ 33 3k 3k 3k 35 ABSTRACT The term Comstock Lode district is here applied to the mapped area, which |  | Ashley, Roger P., Goetz, A.F.H., Rowan, L.C., Abrams, M.J. (1979) Detection and mapping of hydrothermally altered rocks in the vicinity of the Comstock Lode, Virginia Range, Nevada, using enhanced Landsat images. Open-File Report Vol. 1979 (79-960) US Geological Survey doi:10.3133/ofr79960 | Report (issue) | | ALTERED ROCKS IN THE VICINITY OF THE COMSTOCK LODE, VIRGINIA RANGE, NEVADA, USING ENHANCED LANDSAT IMAGES ...ALTERED ROCKS IN THE VICINITY OF THE COMSTOCK LODE, VIRGINIA RANGE, NEVADA, USING ENHANCED LANDSAT IMAGES By...deposit is the Cornstock Lode, which produced 192 million troy ounces of silver and 8.3 million troy ounces...Scanner (MSS) images for a test area in south-central Nevada. Rowan and others (1974) made gray-tone film positives...vegetation and slope conditions. In south-central Nevada Rowan and others (1974) readily separated bleached |  | | Journal (article/letter/editorial) | | south. The Cordillera has a long and colorful gold-mining history dating back to the 16th century, since...are considered. By-product gold in base metal and silver deposits is ignored, although gold-rich 663 664...reduced felsic equigranular intrusion 10 Orogenic lode Au Granitoid Shear zone FIG. 1. Schematic geologic...FairbanksTombstone belt, Alaska-Yukon Territory Klondike district, Yukon Territory Mineralization age, Ma Regional...56–53 Forearc transpression Independence trend, Nevada 14 Jerritt Canyon Sediment-hosted ~42–36 Low-magnitude |  | | Report (issue) | | THE TRIASSIC TO JURASSIC MAGMATIC ARC OF WESTERN NEVADA AND EASTERN CALIFORNIA by Jeff L. Doebrich 1 ,...Open-File Report 96-9 Prepared in cooperation with the Nevada Bureau of Mines and Geology This report is preliminary...School of Mines, University of Nevada, Reno, Nevada 89557-0047 'Nevada Bureau of Mines and Geology, MS...MS 178, University of Nevada, Reno, Nevada 89557-0088 'U.S. Geological Survey, Retired, 8920 West 2nd...Gold-Silver Veins ........................................ Quartz-Alunite Epithermal Gold-Silver Veins |  | | Book | | and Distribution Reexamined Bernard C. Beaudreau Silver and Gold: The Political Economy of International...Chapter 1 This Remote Solitude ] Chapter 2 Horn Silver 7 Chapter 3 Hugh Stevens' Beautiful White Crystals... Chapter 5 Saturday Night in Calico: Life in a Mining Camp 79 Chapter 6 Remembering Calico: Historical...Mirages 107 Appendix By-laws ofthe Calico Mining District 121 Select Bibliography 125 Index 135...Daggett Rail Road 24 Silver King Mill 24 Waterloo Mine Ore Bin 25 Waterloo Mine Ore Train 25 Waterloo |  | | Report (issue) | | MINERAL DEPOSITS OF THE RENO 1° x 2° QUADRANGLE, NEVADA, with a comprehensive bibliography by Gary R...Figure 1. Location map of mining districts in the Reno 1° x 2° quadrangle, Nevada..........................Known production from mining districts in the Reno 1° x 2° quadrangle, Nevada..........................of mineral deposits in mining districts of the Reno 1° x 2° quadrangle, Nevada..........................prospects, and claims in the Reno 1° x 2° quadrangle, Nevada.......................................... 19 21 |  | | Journal (article/letter/editorial) | | Deposition in theTonopah,Comstock Lode, andGoldfieldMiningDistricts,Nevada* Hos• P. TAYLOR,J'R. Abstract...Goldfield. It is concludedthat most epithermalgold and silver ore bodiesin highly faulted piles of altered volcanic...the time of mineralization. ßTuscarora NEVADA 'COMSTOCK %A• ODE rata ß Round Mtn. This shouldsimplifythe...Forester, 1971; Forester and FIG. 1. Index map of Nevada showing locations of the ore Taylor, 1972) that...(•$400 million), and Goldfield (•$100 million) mining districts are among the richest epithermal gold-silverdepositsin |  | | Report (issue) | | in Progress for the Reno 1° x 2° CUSMAP Project, Nevada, with additional bibliography by Gary B. Sidder...GEOPHYSICS ADDITIONAL STUDIES ADDITIONAL INFORMATION FOR MINING DISTRICTS Shady Run (Fondaway Canyon) Broken Hills...information to Sidder (1986) on deposit types and mining districts in the Reno quadrangle and additional...project coordinator, is mapping the Wabuska and Silver Springs quadrangles. Jack finished his mapping...Tertiary sedimentary and volcanic rocks in the Silver/ Springs quadrangle with the type section at Red |  | | Journal (article/letter/editorial) | | Fluid Flow around the Big Bonanza, Comstock Lode Mining District, Nevada R. E. CRISS,† M. J. SINGLETON, Department...meteoric-hydrothermal fluid that circulated along and above the Comstock fault, near the contact of the Davidson Granodiorite...Previous 18O and D studies of the Comstock lode mining district by Sugisaki and Jensen (1971), Taylor...a comparable number of analyses to study entire mining districts (e.g., Taylor, 1971, 1973; Criss et al...represents samples from a three-dimensional array of mine workings and drill cores. Third, the methods we |  | | Report (chapter) | | Survey, Federal Center MS 964, Denver, CO 80225, USA (e-mail: bberger@usgs.gov) Abstract: High-temperature...sets. The Virginia City and Goldfield mining districts, Nevada, were localized in zones of strike-slip...western margin of North America. The Camp Douglas mining area occurs within the same belt, but is localized...from two economically important precious-metal mining districts (Virginia City, Goldfield) and one economically...Lower to Middle Miocene volcanic centres in western Nevada (Fig. 1). These districts provide insights into |  | | Journal (article/letter/editorial) | | collodion plates specially prepared with bromide of silver, has made an extended catalogue of the invisible...REVIVAL CITY, OF NEVADA. VIRGINIA 'l'HE Comstock lode, on Mt. Davidson, Nevada. has proved to be the...output has surpassed the wealth of any similar mining region in the world. Over $300,000.000 has heen...the precious metals was about sixty per cent. of silver and forty per cent. of gold. But a sad era of decline...entertain ment demanded, which prevailed in this mining town in 1865. and the sobered life which now or |  | | Journal (volume) | | thorough surprise to the Mining and Scientific Press. possessing the colors of Mining and Scientific Press...Press. ESTABLISHED 1S«50. Oldest Mining; Journal on the American Continent. e. No. 220 Market Street ,...California Delegation in Congress; The Revival of Mining and Mining Machinery; "Jumping," 2. MECHANICAL PROGRESS...PROGRESS.— A Drill Sharpening Machine; Silver from Silver Bromide; Ornamental Iron Work; Production of Alumina...Magnetic Map of the Earth, 8. MINING From the Various Counties of California, Nevada and Other Pacific Coast |  | | Report (issue) | | University of Nevada, Reno, Nevada 89557-0088, U.S.A. Eiji Izawa, Department of Mining, Faculty of Engineering...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...Tertiary volcanic centers in central Nevada: Nevada Bureau of Mines and Geology Report 19, p. 49-66. Ashley...between volcanism and ore deposition at Goldfield, Nevada, in Proceedings of the Fifth Quadrennial Symposium |
|
