 | | 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) | | THE ROCHESTER MINING DISTRICT, NEVADA. By FRANK C. SCHRADER. INTRODUCTION. This report is based on a...a two weeks' visit made to the Rochester district and vicinity by the writer in May, 1913. A brief preliminary...given by mining companies, prospectors, engineers, and surveyors operating in the district has been of:...report. The Rochester district, comprising about 25 square miles, is in west-central Nevada, in the southern...southern part of Humboldt County. It is 9 miles southeast of Nixon, formerly Oreana, on the main line of |  | | 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 -- |  | | Report (volume) | | Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Mills PUMPS, COMPRESSORS, OIL AND GAS ENGINES, MINING AND SMELTING MACHINERY CTON m "The Paramount...books cover practically all dead as well as live mining shares. Made in the following sizes: \QUAUTY |  | | 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 |
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