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Revisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan / by William F. Cannon and Suzanne W. Nicholson. Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan / by Suzanne W. Nicholson.
- Format:
- Book
- Government document
- Author/Creator:
- Cannon, William F., author.
- Nicholson, Suzanne W., author.
- Series:
- U.S. Geological Survey bulletin ; 1970 A-B.
- Contributions to the geology and mineral resources of the midcontinent rift system ; ch. A-B.
- U.S. Geological Survey bulletin ; 1970 A-B
- Contributions to the geology and mineral resources of the midcontinent rift system
- Language:
- English
- Subjects (All):
- Geology, Stratigraphic--Proterozoic.
- Geology, Stratigraphic.
- Rhyolite--Michigan--Keweenaw Peninsula.
- Rhyolite.
- Volcanic ash, tuff, etc--Michigan.
- Volcanic ash, tuff, etc.
- Bergland Group (Mich.).
- Copper Harbor Conglomerate (Mich.).
- Porcupine Volcanics (Mich.).
- Portage Lake Volcanics (Mich.).
- Proterozoic Geologic Period.
- Michigan.
- Michigan--Bergland Group.
- Michigan--Copper Harbor Conglomerate.
- Michigan--Keweenaw Peninsula.
- Michigan--Porcupine Volcanics.
- Michigan--Portage Lake Volcanics.
- Physical Description:
- 1 online resource (various pagings) : illustrations, maps.
- Distribution:
- [Washington, D.C.] : United States Government Printing Office
- Place of Publication:
- [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992.
- Notes:
- Title from title screen (viewed Aug. 25, 2014).
- Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
- Includes bibliographical references.
- Electronic reproduction. [Place of publication not identified]: HathiTrust Digital Library. 2020.
- Other Format:
- Print version: Cannon, William F. Revisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan
- OCLC:
- 889715991
- Access Restriction:
- Use copy Restrictions unspecified
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