Newsletter Minnesota Geological Survey
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Newsletter Minnesota Geological Survey
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Author : Minnesota Geological Survey
language : en
Publisher:
Release Date : 1966
Newsletter Minnesota Geological Survey written by Minnesota Geological Survey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Geology categories.
Bulletin
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Author : Geological and Natural History Survey of Minnesota
language : en
Publisher:
Release Date : 1889
Bulletin written by Geological and Natural History Survey of Minnesota and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1889 with Botany categories.
Newsletter Minnesota Geological Survey
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Author : Minnesota Geological Survey
language : en
Publisher:
Release Date : 1964
Newsletter Minnesota Geological Survey written by Minnesota Geological Survey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Geology categories.
U S Geological Survey Bulletin
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Author : Gene L. LaBerge
language : en
Publisher:
Release Date : 1991
U S Geological Survey Bulletin written by Gene L. LaBerge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Faults (Geology) categories.
A reconnaissance study carried out in conjunction with regional geologic mapping.
U S Geological Survey Bulletin
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Author :
language : en
Publisher:
Release Date : 1983
U S Geological Survey Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Geology categories.
U S Geological Survey Bulletin
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Author : Paul Kibler Sims
language : en
Publisher:
Release Date : 1983
U S Geological Survey Bulletin written by Paul Kibler Sims and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Faults (Geology) categories.
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.
Bulletin Of The Geological Society Of America
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Author : Geological Society of America
language : en
Publisher:
Release Date : 1892
Bulletin Of The Geological Society Of America written by Geological Society of America and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1892 with Geology categories.
Vols. 1-44 include Proceedings of the annual meeting, 1889-1933, later published separately.
Bulletin Of The United States Geological Survey
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Author : Geological Survey (U.S.)
language : en
Publisher:
Release Date : 1891
Bulletin Of The United States Geological Survey written by Geological Survey (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1891 with Geology categories.
Bulletin
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Author :
language : en
Publisher:
Release Date : 1914
Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1914 with categories.
Gis Newsletter
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Author : Geoscience Information Society
language : en
Publisher:
Release Date : 1991
Gis Newsletter written by Geoscience Information Society and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Earth sciences categories.