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Wednesday, April 29, 2020 | History

2 edition of Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan found in the catalog.

Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan

Suzanne W. Nicholson

Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan

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Published by U.S. G.P.O. in [Washington .
Written in English

    Subjects:
  • Geology, Stratigraphic -- Proterozoic.,
  • Geology -- Michigan -- Keweenaw Peninsula.,
  • Volcanic ash, tuff, etc. -- Michigan -- Keweenaw Peninsula.,
  • Rhyolite -- Michigan -- Keweenaw Peninsula.,
  • Petrology -- Michigan -- Keweenaw Peninsula.,
  • Geochemistry -- Michigan -- Keweenaw Peninsula.,
  • Volcanism -- Michigan -- Keweenaw Peninsula.,
  • Mineralogy -- Michigan -- Keweenaw Peninsula.,
  • Portage Lake Volcanics (Mich.)

  • About the Edition

    This description of some rhyolites related to the Midcontinent rift summarizes previous work and presents new data within a newly revised tectonic framework for the rift.

    Edition Notes

    Includes bibliographical references (p. 35-39).

    Statementby Suzanne W. Nicholson.
    SeriesContributions to the geology and mineral resources of the midcontinent rift system, U.S. Geological Survey bulletin -- 1970-B
    Classifications
    LC ClassificationsQE75 .B9 no. 1970 A-B, QE653.5 .B9 no. 1970 A-B
    The Physical Object
    Paginationv, 57 p. :
    Number of Pages57
    ID Numbers
    Open LibraryOL22947969M
    LC Control Number91047744


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Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan by Suzanne W. Nicholson Download PDF EPUB FB2