 | | Journal (article/letter/editorial) | | Mineralization in the Comstock District, Nevada DONALD M. HUDSONâ 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...below and in the lower parts of orebodies in the Comstock lode, but it was deposited in the upper parts |  | | Journal (article/letter/editorial) | | of Compartmentalized Fluid Flow, Comstock Lode, Virginia City, Nevada BYRON R. BERGER,â 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...lines of evidence lead to the conclusion that the Comstock lode is localized in an extensional stepover between...veins were deposited in the normal fault zone, the Comstock fault, and along one of the bounding lateral fault |  | | 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....................... THE LUCKY BOY AND PAMLICO MINING DISTRICTS: A COMPARATIVE STUDY by Daniel R. Shawe |  | | Report (issue) | | characterized by the assemblage alunite+kaolinite+ quartz±pyrite, results from base-leaching by fluids concentrated...Salvador, Chile; Rodalquilar, Spain and Goldfield, Nevada. Supergene alunite has S^S virtually identical...steam-heated environments, such as those at the Tolfa district, Italy and Marysvale, Utah, and numerous modern...precious-metal ore deposits such as at Buckskin, Nevada. Initial 8 18OsO4 and 834S values are kinetically...of coeval pyrite and possibly PO4 analogs of alunite, and zunyite, and later gold, pyrite and enargite |  | | Journal (article/letter/editorial) | | of Geological Sciences, University of Nevada, Reno, NV 89557, USA Department of Environmental and Resource...Resource Sciences, University of Nevada, Reno, NV 89557, USA b Received 10 September 2001; accepted 15...with waste from historic precious metal and Hg mining in the western United States (Hogan and Smucker...substrates from the Carson River Superfund Site, Nevada, by separate labs showed discrepancies of greater...consisted of sand collected from Pyramid Lake, Nevada (PLS), and a river bank sand (RBS) and back water |  | | Journal (article/letter/editorial) | | fs4Svaluesare16 to 28 permillarger thanthosefor associated pyrite,reflectingequilibriumbetweenaqueous HâąS andSO4formed...kaolinitc ments.In manyinstances attributesof + quartz_+pyrite (HemleyandJones,1964; Meyer geologic,mineralogic...appropriategeologicand geochemical investiâąi34S dataon associated pyrite,andthe âąiD andâąilsO gationsof additionalareasof...orbasemetalmineralization mayormaynot The oxidationof pyrite is a complexprocessasdisaccompany,or be relatedto...no cesses. The magmaticsteamenvironmentmightalso pyrite on their margins.Only very smallamountsof overlie |  | | Report (issue) | | ___________________ -_-----Lode and placer gold deposits, Mohave County _______________________ _ California ________________________...Mother Lode, Amador County __________ _ Tertiary gravels, Nevada City area, Sierra Nevada ________________..._---Central North Carolina _-------------Moore County __ ---------- -- ------South Carolina ____ -- __...southwest Virginia ________________ _ Virgilina district, Virginia and North Carolina _______________________...in the marine field, 21. About 96 projects were district- or region-oriented field studies and 41 were |  | Swayze, G. A., Clark, R. N., Goetz, A. F. H., Livo, K. E., Breit, G. N., Kruse, F. A., Sutley, S. J., Snee, L. W., Lowers, H. A., Post, J. L., Stoffregen, R. E., Ashley, R. P. (2014) Mapping Advanced Argillic Alteration at Cuprite, Nevada, Using Imaging Spectroscopy. Economic Geology, 109 (5) 1179-1221 doi:10.2113/econgeo.109.5.1179 | Journal (article/letter/editorial) | | Mapping Advanced Argillic Alteration at Cuprite, Nevada, Using Imaging Spectroscopy Gregg A. Swayze1, Roger...Monterey, California 93943 4 740 5 AWK 6 Zion St., Nevada City, California 95959 Consulting Engineers, 1225...Miocene advanced argillic alteration at Cuprite, Nevada. Distributions of Fe-bearing minerals, clays, micas...for mapping hydrothermal alteration at Cuprite, Nevada. This desert site is ideally suited for remote...been minimally disturbed by mining activities. The Cuprite mining district is located about 200 km northwest |  | Zhou, Yan, Wang, Tiangang, Fan, Feipeng, Chen, Shizhong, Guo, Weimin, Xing, Guangfu, Sun, Jiandong, Xiao, Fan (2022) Advances on Exploration Indicators of Mineral VNIR-SWIR Spectroscopy and Chemistry: A Review. Minerals, 12 (8) 958 doi:10.3390/min12080958 | Journal (article/letter/editorial) | | chlorite, epidote, alunite, REE-bearing minerals, pyrite, quartz, tourmaline, and calcite. Specific research...sericite and epidote. Cpyâchalcopyrite; Bnâbornite; Pyâpyrite; Sphâsphalerite; Gnâgalena. In the porphyry Cu-Mo...the Resolution porphyry Cu-Mo deposit, Arizona, USA. Limited chlorite samples from drill holes are tested...the mineralizationrelated alteration assemblageâpyriteâquartzâsericiteâin the Aschele VMS Cu-Zn deposit...chlorite in the Batu Hijau deposit is that: the pyrite alteration halo, developed on the periphery of |  | | Journal (article/letter/editorial) | | Canberra, ACT 2601, Australia Abstract The Indee district, located in the Central Pilbara tectonic zone...different styles of gold mineralization in the Indee district (Fig. 1), which is a part of the Central Pilbara...tectonic zone in Western Australia. The Indee district was chosen for this study because the poor bedrock...2a, Smithies, 1999). Topographically the Indee district is flat (Fig. 3a, b), with isolated hills containing...and residual rock float. Deposits of the Indee District Although one of the first gold discoveries in |  | | Journal (issue) | | up or prices going up because dealers got into âminingâ and specimen recovery which is spendy, so they...Mineral and Fossil Show; 500 Earth Sciences; Hancock County 4-H Fairgrounds; 620 N. Apple; Fri. 10-7, Sat....crystals in this specimen from the Hansonburg district (Socorro County, New Mexico). brain, nervous system,...the expression âmad as a hatterâ. While cinnabar mining and mercury retorting once took a terrible toll...triphosphate (ATP) molecules. Be Lovelock (Pershing County), Nevada, was the site of a very small cin- from hellâ |  | | Book | | OF PRECIOUS-METALS PROSPECTING, PLACERING, LODE MINING, AND MILLING ON THE AMERICAN FRONTIER FROM SPANISH...technical assistance of ROBERT LENON Western Mining UNIVERSITY OF OKLAHOMA PRESS : Norman and London...ACCOUNT OF PRECIOUS-METALS PLACERING, LODE MINING, PROSPECTING, AND MILLING ON THE AMERICAN FRONTIER...1954) How They Dug the Gold (Tucson, 1967) Western Mining (Norman, 1970) Black Powder and Hand Steel (Norman...AMERICAN FRONTIER STUDIES the techniques of the mining rushes are perhaps the least comprehensible to |  | | Report (issue) | | of acid forming materials (AFM) resulting from mining and related forms of drasticland disturbance. Emphasis...its proper handling during the mining operation. Integration of mining procedures with reclamation plans...discussion of pyrite and related mineral formation, processes associated with the weathering of pyrite, impact...Margaret Condron, formerly with the Office of Surface Mining, Denver, CO (analytical, planning, agronomy); Scott...Leadville, Colorado Wednesday, October 8 The historic mining town of Leadville sits near one of the world's |  | | Report (issue) | | geochemical anomalies in the Comstock, Tonopah, and Silver Reef districts, Nevada-Utah, by H. R. Cornwall...hercynicus nevadensis n. subsp., from the Devonian in Nevada, by W. B. N. Berry ________________·_____ Paleogeographic...for correlation of Paleocene strata in Ballard County, Ky., with the lower part of the Porter Creek Clay...landsloides on the course of Whitetail Creek, Jefferson County, Mont., by H. J. Prostka______________________...investigations in the Wood Hills area of northeastern Nevada. by C. J. Zablocki__________ 145 Photogeology |  | | Report (volume) | | Republic, Jamaica, Mexico, Mississippi Valley, Nevada, Ontario, United States. Canada and the United...Geographical Journal. Montreal Canadian Inst, Mining ana Metallurgy irans. cana«uin mst.mte »* »n=i»K...Jour. Canadian Mining Journal, Canadian Min. Met. Bull. Gardenvale, Quebec. Canadian Mining and Metallurgical...Journal. Montreal. Eng. Min. Jour. Engineering and Mining Journal. New York. Engineering and Science. Pasadena...11 Los Angeles County Mus. Quart.; Science Ser. [Paleontology Pub.] Los Angeles County Museum Quarterly; |  | | Report (volume) | | the future: Just, E. ing: Burwell, E. B., Jr., 4. Mining geology, retrospect and Index fossils: Stephenson... Landform interpretation, stereoSearch for new mining districts: Nolan, T. B., 1. pairs: Powers, W. E...described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...limestone: Lamar, Shotts, R. C., 5. J. E., 11. Gold, mining districts: Pallister, Trace elements and potash...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite |  | | Report (issue) | | 1965. 1966. 1967. 1968. Numerous Federal, State, county, and local agencies and other organizations and...cooperators________-____________________ State, county, and local cooperators_____________ Other cooperators..._____ Regional offices_______________________ District offices_______________._ Offices in other countries...anomalies; these coincide with the two known gold mining districts near Wiseman and Chandalar. A third anomalous...between granite and carbonate rock north of the mining districts. The concentration of silver is not high |
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Ophir Mine, Comstock Lode, Virginia City, Comstock Mining District, Storey County, Nevada, USA