 | | Report (volume) | | Mineral Belts in Western Sierra C:ourlty, New Mexico, Suggested by Mining Distri.cts, Ceologyt and c... Mineral Belts in Western Sierra County, New Mexico, Suggested by Mining Districts, Geology, and Geochemical...on mineral belts in western Sierra County, New Mexico, indicates many new areas favorable for mineral...1921Mineral belts in western Sierra County, New Mexico, suggested by mining districts, geology, and geochemical...and mineral resources-New Mexico-Sierra County. 2. Geology-New Mexico-Sierra County. I. Heyl, Allen Van |  | | Report (volume) | | ....................................... 102 District of Columbia .......................................... New Hampshire........................................................... 190 201 New Jersey.............. New Mexico............................................................. New York. .........F. C. Schrader: Besides giving several thousand new localities of mineral deposits and adding more than...to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to |  | | Journal (article/letter/editorial) | | particularly IS epithermal orebodies in any particular district, irrespective of whether or not paleosurface features...Neutral-pH chloride water Illite, smectite IS, LS Commonly proximal Neutral-pH chloride water Hot...Proximal-to-distal CO2-rich water Neutral-pH chloride water Neutral-pH chloride water Opal/chalcedony Calcite, aragonite...characterized by relatively reduced, neutral-pH, alkali chloride waters, although the magmatic component can still...of both the steamheated and underlying alkali chloride waters, the latter for distances as great as ~10 |  | Saunders, J. A., Unger, D. L., Kamenov, G. D., Fayek, M., Hames, W. E., Utterback, W. C. (2008) Genesis of Middle Miocene Yellowstone hotspot-related bonanza epithermal Au–Ag deposits, Northern Great Basin, USA. Mineralium Deposita, 43 (7) 715-734 doi:10.1007/s00126-008-0201-7 | Journal (article/letter/editorial) | | epithermal Au–Ag deposits, Northern Great Basin, USA J. A. Saunders & D. L. Unger & G. D. Kamenov & M...has now migrated to the Yellowstone National Park area. The Au–Ag deposits formed between 16.5 and 14 Ma...meta-sedimentary or granitic origin, adularia-rich gold mineralization formed. Where glassy rhyolitic country...Auburn University, 210 Petrie Hall, Auburn, AL 36849, USA e-mail: saundja@auburn.edu G. D. Kamenov Department...Williamson Hall, P.O. Box 112120, Gainesville, FL 32611, USA M. Fayek Department of Geological Sciences, University |  | | Journal (article/letter/editorial) | | wall. Such haloes are well developed at mines in Mexico, Bolivia and Peru and ammonium geochemistry thus...host rock types Island arc Island arc Island arc Gold Ridge, Solomon Islands Mt. Fatmalapa, Efate, Vanuatu...Emperor Mine, Vatukoula, Fiji E/V Tertiary Basalt and minor trachybasalt Porgera, Papua New Guinea...Hidalgo, Mexico E/V Tertiary Peregrina Mine,Guanajuato, Mexico El Cubo Mine,Guanajuato, Mexico Tayoltita...Tayoltita, Durango, Mexico E/V Tertiary E/V Tertiary E/V Tertiary Matarachi, Sonora, Mexico E/V Tertiary |  | | Report (issue) | | OR PROFE SIONAL PAPER 68 THE ORE DEPOSITS OF NEW MEXI.CO BY WALDEMAR LINDGREN, LOUIS C. GRATON AND...PRQ)tESSIONAL PAPER 68 T·H E ORE DEPOSITS O.F NEW MEXICO.. . . ., .,· ;,.: BY WALDEMAR LINpGREN,........ . J,5 Historical sketch of mining and smelting in New Mexico....... . . . . . . . . . . . . . ....... : . .............. - ........ .. . . T~os County, by L. C. Graton and W ..Lindgren ..... ................. . . , ... -.. . Rio Hondo. (Twining) district . . . . . . . . . . . . . ................... |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...Prof. H. E. Gregory, Sheffield Scientific School, New Haven. Delaware.........Prof. B. L. Miller, Lehigh...Tangier Smith, Berkeley, Cal. New Jersey...... .Dr. H. B. Kummel, Trenton. New York.........Mr. D. H. Newland |  | | Journal (article/letter/editorial) | | 98, 2003, pp. 409–424 Geology of the Ivanhoe Hg-Au District, Northern Nevada: Influence of Miocene...89557-0047 Abstract The mercury-gold deposits of the Ivanhoe mining district in northern Nevada formed when...formed at and near the paleosurface, and disseminated gold deposits and high-grade goldsilver veins formed...in the Ivanhoe area about 16.5 Ma. The lake progressively expanded and covered the entire area with fine-grained...soft-sediment deformation in the lakebeds. Mercury-gold mineralization was coeval with rhyolite volcanism |  | | Journal (article/letter/editorial) | | 23:14 19 October 2014 Vindicator Mine, Cripple Creek, Teller County, Colorado I n terms of sheer volume...globe, they have striking similarities in their mining history and mineralogy, but their geology is seemingly...specimens of essentially massive gold tellurides associated with coarse native gold. Cripple Creek, on the other...that resemble cuneiform characters. Sylvanite is gold-silver telluride with the composition (Au,Ag)2Te4...published analyses commonly show minor variations in the gold and silver content, and the presence of such other |  | | Report (volume) | | AND ORE DEPOSITS OF THE BAYARD AREA, CENTRAL MINING DISTRICT, NEW MEXICO BY SAMUEL G. LASEY Prepared in...the STATE BUREAU OF MINES AND MINERAL RESOURCES NEW MEXICO SCHOOL OF MINES UNITED STATES GOVERNMENT PRINTING...quadrangle _______________ Structure of the Bayard area.______________________________ General features...___ _____________________________________________ Gold. ___ __ _ _._ _ ___ _. _ Silver minerals.______...deposits.________-__-____----____.-__--_-__-_-___-__ Gold placer deposits.__________________________________________ |  | | Report (issue) | | NEW MEXICO STATE BUREAU OF MINES AND MINERAL RESOURCES Don H. Baker, Jr., Director Frank E. Kottlowski...Geologist Plus more than z8 undergraduate assistants New Mexico Tech Staff Advisors GALE BILLINGS, Geoscience...Geoscience PAIGE W. CHRISTIANSEN, Historian-Mining ALLAN R. SANFORD, Geophysics F RA N K B. TITU S , Hydrology...Ore Deposits of Sierra County, New Mexico by GEORGE TOWNSEND HARLEY 1934 New Mexico State Bureau of...of Mines and Mineral Resources New Mexico State Bureau of Mines and Mineral Resources Don H. Baker, Jr |  | Leavitt, E. D., Spell, T. L., Goldstrand, P. M., Arehart, G. B. (2004) Geochronology of the Midas Low-Sulfidation Epithermal Gold-Silver Deposit, Elko County, Nevada. Economic Geology, 99 (8) 1665-1686 doi:10.2113/gsecongeo.99.8.1665 | Journal (article/letter/editorial) | | the Midas Low-Sulfidation Epithermal Gold-Silver Deposit, Elko County, Nevada E. D. LEAVITT,† Department...Nevada 89154-4010 P. M. GOLDSTRAND, Bureau of Mining Regulation and Reclamation, 333 W. Nye Lane, Carson...Interpretation of new 40Ar/39Ar dates for volcanic rocks and hydrothermal minerals related to gold mineralization...region, depositing at least 4 million ounces (Moz) of gold and 40 Moz of silver. The timing of high-grade Au-Ag...exchanged meteoric waters. Introduction THE KEN SNYDER mine exploits the largest known Au-Ag epithermal deposit |  | | Report (issue) | | Geological Society of America 419 West 117 Street, New York 27, N. Y. The Memoir Series of The Geological...ee eater ic INIGke Rate wEled ley teen 0 cas angi area ek neelots Rohe han akon eat aera ee pene ogee SALI...HYDROTHERMAL AND MAGMATIC MINERAL DEPOSITS Page Magma, Mine,;Superior (oo. ciges Rocttactek ors eno os es snl...NevadaiGity —'Grass: Valley) iter ore ae ee Shasta County a eee cere asses ee avs Oe ee COlOTAMGS ee Pie...deposits or closely grouped ore bodies in a small area (such as Elizabeth, Vermont, or Outokumpu, Finland) |  | | Journal (article/letter/editorial) | | 1827–1853 Miocene and Early Pliocene Epithermal Gold-Silver Deposits in the Northern Great Basin, Western...Hog Ranch, Ivanhoe, and Jarbidge districts; high-sulfidation gold and porphyry copper-gold deposits are... Both high- and low-sulfidation gold-silver and porphyry copper-gold deposits are affiliated with the...(1907), Lindgren (1933), and Nolan (1933), epithermal gold-silver deposits can be broadly separated into two...both magmatic assemblages, whereas high-sulfidation gold-silver deposits are restricted to the western andesite |  | | Journal (article/letter/editorial) | | surface trace of gold was found, the gravel" vein" Ualifornia. The western slope of the Sierra Nevadas in...running into the mountain. Lamprotornis which drift mining in California is practicable and pro mountain... Placer and Sierra Counties is drowned out. This was the incipiency of drift mining, The first of...interesting from Mariposa to Siskiyou, contains the great area in rock they found it pitched down ward as it,went...the Pholidauges leucogaster, the Lamprocolius Mining �tutritan. and western Arabia, where it usually |  | | Report (issue) | | INTERIOR U.S. GEOLOGICAL SURVEY CONTRIBUTIONS TO THE GOLD METALLOGENY OF NORTHERN NEVADA Richard M. Tosdal...Park, CA TABLE OF CONTENTS Contributions to the gold metallogeny of northern Nevada Preface R.M. Tbsdfl/......... 20 Crustal structure and its relation to gold belts in north-central Nevada: Overview and progress.................................^ 34 Carlin-type gold deposits Preliminary facies analysis of Silurian...Silurian and Devonian autochthonous rocks that host gold along the Carlin trend, Nevada Augustus K. Armstrong |  | Saunders, James A., Mathur, Ryan, Kamenov, George D., Shimizu, Toru, Brueseke, Matthew E. (2016) New isotopic evidence bearing on bonanza (Au-Ag) epithermal ore-forming processes. Mineralium Deposita, 51 (1) 1-11 doi:10.1007/s00126-015-0623-y | Journal (article/letter/editorial) | | (2016) 51:1–11 DOI 10.1007/s00126-015-0623-y LETTER New isotopic evidence bearing on bonanza (Au-Ag) epithermal...Springer-Verlag Berlin Heidelberg 2015 Abstract New Cu, S, and Pb isotope data provide evidence for a...36849, USA 2 Department of Geology, Juniata College, 1700 Moore Street, Huntingdon, PA 16652, USA 3 ...Williamson Hall, P.O. Box 112120, Gainesville, FL 32611, USA 4 Magma-hydrothermal deposits Research Group, Geological...Geology, Kansas State University, Manhattan, KS 66506, USA consistent with ore textures that indicate physical |  | | Report (issue) | | BULLETIN 39 The Metal Resources of New Mexico and Their Economic Features Through 1954 A revision of...RESOURCES NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE...INSTITUTE OF MINING & TECHNOLOGY E. J. Workman, President STATE BUREAU OF MINES AND MINERAL RESOURCES Alvin...THE HONORABLE EDWIN L. MECHEM………...Governor of New Mexico MRS. GEORGIA L. LUSK ......................Superintendent...Dealing With the Geology and Mineral Resources of New Mexico ............................................ |  | | Report (issue) | | 1.--Map showing location of 339 exploration or mining sites in Washington. ............................of 339 sites representing mineral activities for mining and mineral exploration in the State of Washington...of Geology and Earth Resources, annually reports mining, development, and mineral exploration activities...obtained from a voluntary questionnaire survey of mining companies and individuals, published information...were an incomplete measure of Washington state mining activities. These results were published annually | | | Report (issue) | | 1.--Map showing location of 339 exploration or mining sites in Washington. ............................of 339 sites representing mineral activities for mining and mineral exploration in the State of Washington...of Geology and Earth Resources, annually reports mining, development, and mineral exploration activities...obtained from a voluntary questionnaire survey of mining companies and individuals, published information...were an incomplete measure of Washington state mining activities. These results were published annually |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation...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 |  | | Book (edition) | | YEAR 1687"—DAVID T. DAY, CHIEF OF THE DIVISION OF MINING STATISTICS AND TECHNOLOGY WASHINGTON GOVERNMENT...channels of trade, transportation and consumption, new utilizations, and recent discoveries, have, to a...most part, have been progressive. In addition to new finds of valuable deposits, many of the occurrences...has therefore seemed advisable to pre sent such new information as may bring the whole subject more nearly...exten sive deposits, such as coal and iron fields, gold belts, etc., are mentioned in general terms. 688 |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones... MINERALOGY OF ARIZONA,FOURTHEDITION Introduction Many new mineral species have been documented in Arizona since...Mineralogy of Arizona was published in 1995. This new edition adds to the extensive work of the previous...authors, who built the foundation on which this new effort rests. This edition is dedicated to these...others have been discredited for various reasons. The new analytical equipment available today has made it |  | | Report (volume) | | the Dos Cabezas Mountains Wilderness Study Area, Cochise County, Arizona U.S. GEOLOGICAL SURVEY BULLETIN...place. Assignment of high resource potential to an area requires some positive knowledge that mineral-forming...processes have been active in at least part of the area. UNKNOWN mineral resource potential is assigned...for a specific type of resource in a well-defined area. Levels of Certainty U/A HIGH o Q_ ...the Dos Cabezas Mountains Wilderness Study Area, Cochise County, Arizona By HARALD DREWES, GERDA A. ABRAMS |  | | Report (issue) | | I T II I 1)ECEBIIIElZ 1944 No. 5 GEOLOGY AND MINING SERIES No. 41 er Deposits In Nevada BY EDGARH...districts, but also more than twenty maps of the mine workings of the more important mines. Besides a...the Bureau's request, a history of quicksilver mining in Nevada with production figures, and a description...bulletin is being issued without the individual mine descriptions a n d m a p s. . JAY A CARPENTER...mines, and prospects.................. Churchill County . ............................................ |
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