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ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings and Abstracts for the ... Annual Institute on Lake Superior Geology written by and published by . This book was released on 2007 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geological Survey (U.S.)
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ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (319 download)
Download or read book New Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1999 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.:/5 (319 download)
Download or read book U.S. Geological Survey Professional Paper written by and published by . This book was released on 1984 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.0/5 ( download)
Download or read book Proceedings written by and published by . This book was released on 1996 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.:/5 (319 download)
Download or read book New Publications of the U.S. Geological Survey written by and published by . This book was released on 1998 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geological Survey (U.S.)
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ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.:/5 (5 download)
Download or read book Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1986 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard John Wold
Publisher : Geological Society of America
ISBN 13 : 0813711568
Total Pages : 289 pages
Book Rating : 4.8/5 (137 download)
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:
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ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.3/5 (91 download)
Download or read book Field Trip Guidebooks written by and published by . This book was released on 2009 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.:/5 (319 download)
Download or read book Guidebook Series written by and published by . This book was released on 2005 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.:/5 (319 download)
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:
Author : John C. Reed, Jr.
Publisher : Geological Society of America
ISBN 13 : 081375447X
Total Pages : 752 pages
Book Rating : 4.8/5 (137 download)
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.
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ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.:/5 (319 download)
Download or read book U.S. Geological Survey Bulletin written by and published by . This book was released on 1983 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wisconsin Geological and Natural History Survey
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ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (319 download)
Download or read book Director's Report written by Wisconsin Geological and Natural History Survey and published by . This book was released on 1989 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Kibler Sims
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ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.3/5 (243 download)
Download or read book U.S. Geological Survey Bulletin written by Paul Kibler Sims and published by . This book was released on 1983 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Early Proterozoic Michigamme Formation of northern Michigan was deposited in the southeastern part of the Animikie basin. The formation conformably overlies the Goodrich Quartzite and comprises three widespread members a lower member of thin-bedded shale, siltstone, and sandstone; the Bijiki Iron-formation Member; and an upper member of tur- biditic graywacke, siltstone, and mudstone and a few local members. The Goodrich Quartzite is interpreted as having been deposited in a tidally influenced shallow marine environ- ment. The lower member of the Michigamme is interpreted as having been deposited in a tidally influenced environment, the iron-formation member as having been deposited below wave base in somewhat deeper water, and the upper member as having been deposited in still deeper water with turbidity currents being a major depositional mechanism. Several lines of evidence including paleocurrents, paleo- geographic setting, and neodymium isotopes suggest that the graywacke of the southern part of the outcrop area was derived from the south (Early Proterozoic Wisconsin magmatic terranes, Archean miniplates, and older Early Proterozoic sedimentary units formed on the continental margin), and that the graywacke in the northern area was derived from an Archean terrane to the north. The tectonic model that best fits the available data is a northward-migrating foreland basin.
Author : S. R. Hemming
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)
Download or read book Precambrian Crustal Blocks in Minnesota written by S. R. Hemming and published by . This book was released on 1995 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sm-Nd survey of Precambrian granitic and metasedimentary rocks collected from several geophysically defined blocks in central Minnesota confirms the presence of some fundamental geologic boundaries previously mapped on the basis of structure. The Malmo discontinuity an Early Proterozoic structure separates the Archean Minnesota River Valley ter- ranes from an Early Proterozoic (Penokean magmatic) terrane and the McGrath Gneiss dome of east-central Minnesota North of this boundary, the Penokean fold-and-thrust belt can be divided into fault-bounded terranes that were assembled during the Penokean orogeny. Each terrane within the study area has distinct crust formation ages.
Author : Richard W. Ojakangas
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)
Download or read book Sedimentology and Provenance of the Early Proterozoic Michigamme Formation and Goodrich Quartzite, Northern Michigan written by Richard W. Ojakangas and published by . This book was released on 1994 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Early Proterozoic Michigamme Formation of northern Michigan was deposited in the southeastern part of the Animikie basin. The formation conformably overlies the Goodrich Quartzite and comprises three widespread members a lower member of thin-bedded shale, siltstone, and sandstone; the Bijiki Iron-formation Member; and an upper member of tur- biditic graywacke, siltstone, and mudstone and a few local members. The Goodrich Quartzite is interpreted as having been deposited in a tidally influenced shallow marine environ- ment. The lower member of the Michigamme is interpreted as having been deposited in a tidally influenced environment, the iron-formation member as having been deposited below wave base in somewhat deeper water, and the upper member as having been deposited in still deeper water with turbidity currents being a major depositional mechanism. Several lines of evidence including paleocurrents, paleo- geographic setting, and neodymium isotopes suggest that the graywacke of the southern part of the outcrop area was derived from the south (Early Proterozoic Wisconsin magmatic terranes, Archean miniplates, and older Early Proterozoic sedimentary units formed on the continental margin), and that the graywacke in the northern area was derived from an Archean terrane to the north. The tectonic model that best fits the available data is a northward-migrating foreland basin.
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ISBN 13 :
Total Pages : 776 pages
Book Rating : 4.3/5 (21 download)
Download or read book Canadian Journal of Earth Sciences written by and published by . This book was released on 2002-05 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
