 | | Report (volume) | | 762 GEOLOGY AND ORE DEPOSITS OF THE ROCHESTER DISTRICT, NEVADA BY ADOLPH KNOPF WASHINGTON GOVERNMENT...___________ __________________.______. Situation of the district ________________________ Physical features _______________-...________________ Geologic investigations of the district-^_________________ Bibliography______________...keratophyres to the Rochester trachyte____ Age and correlation_________________________ Nenzel rhyolite breccia_____... IV CONTENTS Part II. General geology of the district Continued. Page Geologic structure ___ ____ _______________ |  | | Journal (article/letter/editorial) | | Mineralizationin the RochesterDistrict, PershingCounty, Nevada PETER g. VIKRE Incorporated,Southwestern ExplorationDivision...once more than 11,000ft thick in the vicinity of Rochester, have been severelyerodedsincethe inceptionof...mineralizationat Rochester probablyaccompanied the Late Cretaceous event. The majorveinsof Nenzel Hill comprisetwo...stabilitiesand stratigraphic reconstruction indicate that Nenzel Hill mineralization formed at about 300øC and 1 kb...about 25 miles northeastof Lovelock,Nevada (Fig. 1). Within the district preciousmetals valued at $7 concernedwith |  | | Report (issue) | | of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...ALONG THE 1-80 CORRIDOR, RENO TO BATTLE MOUNTAIN, NEVADA R. Cuffney, R. Atkinson and R. Buffa Revised 1990...north-south ranges of central and northeastern Nevada (Fig. I). These belts, or their extensions, contain...vast majority of precious metal deposits found in Nevada to date. Our trip begins in the Walker Lane mineral |  | | Report (volume) | | ....................................... 102 District of Columbia ............................................................................ 187 Nevada..................................................to refer to Geological 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 that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Journal (volume) | | XVI April 15, 1914 March 30, 1915 The Salt Lake Mining Review 1601 Walker Bank Building SALT LAKE CITY...13 , 1914 , Page Interest Operations on Kramer Hill . By Will C. Higgins 15 17 Recent Progress at...30 , 1914. The Utah Consolidated Stone Co. The Nevada . : Items : The Cameron Coal Mines , Utah Detail...Goldfield Con . Civil Service Examinations The Sells Mining Company Engineers and Millmen United States Smelting...trict. By George H. Ryan 13 20 California Oil and Mining News. By G. Chester Brown . TOT 10. 191 .. ;19 |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered with the Copyright...made in the USA. All other copyright questions, including photocopying outside of the USA, should be referred...J ■ I p r e s e n t l i m i t of 1 underground mining ■ ■ 1 1 •H CO CO cd •H cd \ i 4-1 •H c ...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)... 8.5 ppm Ag, 0.7% Zn, 0.3% Pb; Engineering and Mining Journal, November 1984). The Butte ore field contains |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered w i t h the...made in the USA. A l l other copyright questions, including photocopying outside of the USA, should be...u n d e r g r o u n d 1 of QJ · · u , Ό mining 1 1 IL··I _ l ~ U C > cd rH cd 3 1 "1...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)... 8.5 ppm Ag, 0.7% Zn, 0.3% Pb; Engineering and Mining Journal, November 1984). The Butte ore field contains |  | | Journal (volume) | | acre annually. The silt used in the South Arcot District of Madras has been found on examination to consist...especially outside the Virginia-North Carolina district. It is the variety best adapted for all purposes...encouraging the cultivation of the crop in the Jaffna district. In the Federated Malay States experiments are...Districts of the Eastern Province, and the West Nile District of the Northern Province. The c.u ltivation of...private enterprise, especially in the Kyrenia District, and a small export trade to Egypt is growing |  | | Journal (volume) | | "^'^^S'''^^^''^ 107 V, '^'^M^i^ JULY TO DECEMBER 1913 Mining and 429 MARKET STREET Scientific Press SAN FRANCISCO...company report Abosso mine. West Africa Acacia Mining Co., Colorado 270, Editorial. Accident prevention... . . Queen Co.'s mine, Arizona Accident Gold Mining Co., Subil mine, French Gulch, Rules, Copper California...apreciatlon. On fissure veins i Ahmeek Copper Mining . . . Co., . .F. . . 620 386 366 1 978...Colorado, electric mine-signal system.. 49 Olancho county, Honduras. Akin, A. D 167, 1018 Alabama, mineral |
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