The Correlation of the Pre-cambrian Rocks of the Region of the Great Lakes PDF Download
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Author: Andrew C. Lawson
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Author: Andrew C. Lawson
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
Author: Andrew C. Lawson
Publisher: Forgotten Books
ISBN: 9780331523072
Category : Science
Languages : en
Pages : 688
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Book Description
Excerpt from The Correlation of the Pre-Cambrian Rocks of the Region of the Great Lakes No. 1 The Correlation of the pre-cambrian Rocks of the Region of the Great Lakes, by Andrew C Lawson. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 19
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Author: Andrew Cowper Lawson
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 888
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Book Description
Author: L. Gordon Medaris
Publisher: Geological Society of America
ISBN: 0813711606
Category : Science
Languages : en
Pages : 151
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 372
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Book Description
Author: Henry Woodward
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 708
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Book Description
Author: Paul Kibler Sims
Publisher:
ISBN:
Category : Faults (Geology)
Languages : en
Pages : 268
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Book Description
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: Pieter Berendsen
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 28
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Author: G. B. Morey
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 42
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Book Description
Lithology, distribution, correlation, and isotope ages of exposed Precambrian rocks in the Lake Superior region of the north-central United States.
