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

• Autore: Cannon William F.
• Pubblicazione: [Reston, Va.] : , : U.S. Department of the Interior, U.S. Geological Survey, , 1992; [Washington, D.C.] : , : United States Government Printing Office
• Descrizione fisica: 1 online resource (various pagings) : illustrations, maps
• Soggetto topico: Geology, Stratigraphic - Proterozoic; Rhyolite - Michigan - Keweenaw Peninsula; Volcanic ash, tuff, etc - Michigan; Geology, Stratigraphic; Proterozoic Geologic Period; Rhyolite; Volcanic ash, tuff, etc
• Soggetto geografico: 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
• Persona (resp. second.): NicholsonSuzanne W.
• Note generali: Title from title screen (viewed Aug. 25, 2014).
• Nota di bibliografia: Includes bibliographical references.
• Titolo autorizzato: Revisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910707349203321
• Lo trovi qui: Univ. Federico II