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A Theoretical Basis For Exploration For Native Copper In Northern Wisconsin
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Book Synopsis A Theoretical Basis for Exploration for Native Copper in Northern Wisconsin by : Walter Stanley White
Download or read book A Theoretical Basis for Exploration for Native Copper in Northern Wisconsin written by Walter Stanley White and published by . This book was released on 1978 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploration for native copper in the Keweenawan lavas of northern Wisconsin has been concentrated in areas of relatively shallow overburden that have sparse to numerous outcrops. Lack of success of this exploration suggests that if large deposits, comparable to those of northern Michigan, are present, they are more likely to be found in one or more of the large tracts that have few, if any, exposures, away from the ' copper ranges. ' A hydrologic model that may explain the mineralization of the classic native-copper district of Michigan could be helpful in suggesting that certain covered tracts are more favorable than others, and in narrowing the targets for physical exploration within these tracts. This model involves updip migration of a hydrothermal fluid of metamorphic origin, formed when ground water contained in the interstices of lava flows and conglomerate beds was carried to great depth along the axis of the Lake Superior syncline. The largest reservoirs of such buried ground water would be expected in the peripheral rather than central parts of the basins in which the lavas originally accumulated because the ratio of porous fragmental flow tops and conglomerate beds to massive basalt should increase towards the margins of a basin. Thus, the areas most promising for copper deposits should be those updip from places where the trough of the later formed Lake Superior syncline crosses the marginal parts of a lava basin. (Woodard-USGS)
Book Synopsis Earthquakes in the United States, October-December 1976 by : Charles Richard Murray
Download or read book Earthquakes in the United States, October-December 1976 written by Charles Richard Murray and published by . This book was released on 1949 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geological Survey Circular written by and published by . This book was released on 1982 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Earthquakes in the United States, January-March 1976 by :
Download or read book Earthquakes in the United States, January-March 1976 written by and published by . This book was released on 1978 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1984 with total page 1252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geology and Tectonics of the Lake Superior Basin by : Richard John Wold
Download or read book Geology and Tectonics of the Lake Superior Basin written by Richard John Wold and published by Geological Society of America. This book was released on 1982-01-01 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Publications of the Geological Survey by : Geological Survey (U.S.)
Download or read book New Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1978 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Geological Survey Professional Paper by :
Download or read book U.S. Geological Survey Professional Paper written by and published by . This book was released on 1984 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey Professional Paper by :
Download or read book Geological Survey Professional Paper written by and published by . This book was released on 1984 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1978 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geological Survey Bulletin written by and published by . This book was released on 1981 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1984 with total page 1246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book K/UR ... written by and published by . This book was released on 1978 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geology, Hydrology and Mineral Resources of Crystalline Rock Areas of the Lake Superior Region, United States by :
Download or read book Geology, Hydrology and Mineral Resources of Crystalline Rock Areas of the Lake Superior Region, United States written by and published by . This book was released on 1983 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the U.S. Geological Survey, 1971-1981 by :
Download or read book Publications of the U.S. Geological Survey, 1971-1981 written by and published by . This book was released on 1986 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precambrian: Conterminous U.S. by : John C. Reed, Jr.
Download or read book Precambrian: Conterminous U.S. written by John C. Reed, Jr. and published by Geological Society of America. This book was released on 1993 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: This wide-ranging discussion of Precambrian rocks includes contributions from a diverse array of authors actively engaged in investigations of various aspects of U.S. Precambrian geology. Summary discussions by the editors of the five major chapters place these contributions in a logical regional framework.
Book Synopsis Early sedimentary evolution of the Michigan Basin by : Paul A. Catacosinos
Download or read book Early sedimentary evolution of the Michigan Basin written by Paul A. Catacosinos and published by Geological Society of America. This book was released on 1991 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: