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Record Nr. |
UNINA9910707349203321 |
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Autore |
Cannon William F. |
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Titolo |
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 |
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Pubbl/distr/stampa |
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[Reston, Va.] : , : U.S. Department of the Interior, U.S. Geological Survey, , 1992 |
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[Washington, D.C.] : , : United States Government Printing Office |
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Descrizione fisica |
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1 online resource (various pagings) : illustrations, maps |
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Collana |
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U.S. Geological Survey bulletin ; ; 1970 A-B |
Contributions to the geology and mineral resources of the midcontinent rift system |
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Soggetti |
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Geology, Stratigraphic - Proterozoic |
Rhyolite - Michigan - Keweenaw Peninsula |
Volcanic ash, tuff, etc - Michigan |
Geology, Stratigraphic |
Proterozoic Geologic Period |
Rhyolite |
Volcanic ash, tuff, etc |
Bergland Group (Mich.) |
Copper Harbor Conglomerate (Mich.) |
Porcupine Volcanics (Mich.) |
Portage Lake Volcanics (Mich.) |
Michigan |
Michigan Bergland Group |
Michigan Copper Harbor Conglomerate |
Michigan Keweenaw Peninsula |
Michigan Porcupine Volcanics |
Michigan Portage Lake Volcanics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed Aug. 25, 2014). |
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Nota di bibliografia |
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Includes bibliographical references. |
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