| | Journal (article/letter/editorial) | mineralization in the Deseado massif, Patagonia, Argentina: response to subduction of the Chile Ridge Richard...extra-Andean foreland of Patagonia, southern Argentina, has remained unknown. Although, theoretically...caused by growth of the Patagonian Andes to the west and enhanced by global cooling, would have depressed...localities in the prolific epithermal Au-Ag vein province of the Deseado massif, which abuts the Atlantic...and 49° S in northeastern Santa Cruz province, southern Patagonia, Argentina (Schalamuk et al. 1997, 2002; | | | Journal (article/letter/editorial) | * Richard H. Sillitoe aucu@compuserve.com 1 27 West Hill Park, Highgate Village, London N6 6ND, UK ...Bonham 1984), commonly in the shallow parts of porphyry copper systems—whereas LS deposits are characteristic...above the advanced argillic lithocap of the Marte porphyry gold deposit, northern Chile (see Sillitoe 1994)...exploited in places (e.g., La Coipa, Chile; El Queva, Argentina; Sillitoe 1975). However, much of the native sulfur...deposits of HS (e.g., Yanacocha, Peru, Veladero, Argentina, and Pascua-Lama, ChileArgentina; Harvey et al | | | Book | Urzúa 55 Geologic Setting and Evolution of the Porphyry Copper-Molybdenum and CopperGold Deposits at Los...6 7 8 9 Update of the Geologic Setting and Porphyry Cu-Mo Deposits of the Chuquicamata District, Northern...Escondida Porphyry Copper District, Northern Chile Geology of the Bingham Canyon Porphyry Cu-Mo-Au Deposit...Geology and Exploration Progress at the Resolution Porphyry Cu-Mo Deposit, Arizona Magmatic-Hydrothermal-Structural...Structural Evolution of the Giant Pebble Porphyry Cu-Au-Mo Deposit with Implications for Exploration | | | Report (issue) | States. Department of the interior. ( U. S. geological survey.) United Monographs of the Department of the...United States geological survey Nevada with district Eureka of the Geology | | | title: director | |...survey of the Geology Arnold Hague | Washington Eureka | district [Vignette] | | Powell, director...| 419pp. 8 pi. the interior. [UNITED STATES. Department of 4. | | | | government printing | W...United States geological survey I Geology of the Eureka Arnold Hague [Vignette] district | | | ? S | | | Report (issue) | :It k 'I! ' Paleozoic Rocks Antelope Valley Eureka and Nye Counties Nevada GEOLOGICAL SURVEY PROFESSIONAL...PAPER 423 Paleozoic Rocks of Antelope Valley Eureka and Nye Counties Nevada By CHARLES W. MERRIAM ...PRINTING OFFICE, WASHINGTON : 1963 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL...Copenhagen formation ____ ------- ______ ------ __ _ Eureka quartzite ______________________________ _ Hanson...possible age relationship of Ordovician rocks of Eureka and Antelope Valley, Nevada, to those of described | | | Other Paper | RECLAMATION FEASIBILITY REPORT ANIMAS RIVER ABOVE EUREKA E^«^.|3lt- f 4 ^ JIM HERRON, BRUCE STOVER AND...RECLAMATION FEASIBILITY REPORT ANIMAS RIVER ABOVE EUREKA JIM HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO...Map of the Upper Animas River Study Area above Eureka Generalized Structure Map and Geologic Sections...Selected Results From Leachate Tests Animas Forks to Eureka Gulch - Selected Results From Leachate Tests Animas...Forks to Eureka Gulch - Dissolved Al, Fe, & Zn Concentrations, Low-flow Animas Forks to Eureka Gulch - | | | Journal (volume) | and some Helena parties. 123 Calijornia St., S. F. West of this location is the Grubstake. The ore is of...special mention: Horse Collar. Sylvester B. Davis, Eureka, Humbolt Co., Cal. No. 331,871. Dated Dec. This...reaches a greater number of places than any other west of the Mississippi and Missouri rivers. It requires...orders are sold throughout the States and Territories west of the MissAt hundreds of issippi and Missouri rivers...from which his vision reaches many miles to the west, can easily discern and follow the approaching shadow | | | Book | century when the Gennan Colonial Office in South West Africa appointed Government Geologists to carry...Haib (560 million t, 0.32% copper) and Lorelei porphyry copper-molybdenum deposits of southern Namibia...1986; Viljoen et al .. 1986) fonned when quartz porphyry and leucogranite of the calc-alkaline Yioolsdrif...phyllic and potassic alteration zones. Several porphyry molybdenumdeposits occur in YioolsdrifSuite rocks...greenschist facies metamorphism. However, east and west thereof the grade of the 1200-million-yearsNamaqualand | | | Report (issue) | with the outstanding reputation enjoyed by the Department of Terrestrial Magnetism of the Carnegie Institution...explain the crustal structure in the Lake Superior province of the Canadian Shield. I t was hoped that such...Geology of the Lake Superior Region' H. C. HALLS Department of Geology, University of Toronto, Toronto, Canada...therefore its structure is less well known than in the west, where extensive coastal tracts of Keweenawan rocks...of Merle A. Tuve H. C. HALLS Vol. 10 5 east-west trending geosyncline, evolved during the Animikean |
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