| | Journal (article/letter/editorial) | Alterationand Mineralizationin the Ruth PorphyryCopperDeposit near Ely, Nevada GERHARD WESTRA Exxon'Minerals...Arizona 85745 Abstract The Ruth-RuthExtension porphyrycopperdepositin the Robinson miningdistrict,east centralNevada...pophyses of a largerpluton that underlies the district. Prior to intrusionthe sedimentaryrockswere folded...emplacementof an earlyquartzmonzoniteporphyrypluton.In the mine areathisintrusionis cylindricaland plunges25ø westwith...granodioriteporphyrysill exposedin the southwest wall of the Ruth pit postdates mineralization. Intrusionof the early | | | Report (issue) | MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...Weissman, and Sugar White copyright © 2004 unless otherwise noted Map of Mining Districts and significant...significant mineral occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved Manufactured | | | Report (issue) | MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Scovil, Storm Sears, Jeffrey Weissman, and Sugar White copyright © 2004 unless o therwise noted Map of...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved | | | Journal (issue) | dance, Zia Pueblo, New Mexico. August 15-17—Quay County Sheriffs Posse Rodeo, Tucumcari, New Mexico. August...FICTION Hard Rock Shorty of Death V a l l e y LOST MINE Lost Gold of the V a m p i r e Bats By JOHN D....LETTERS Comment from Desert's r e a d e r s 28 MINING Current news of desert mines 30 NEWS From here...Amargosa and Panamint Ranges in desert California and Nevada, Shoshonean Indians watched a strange caravan invade...passed since the bearded ones blazed the first white man's trail across Death Valley, succeeding generations |
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