Revisions of stratigraphic nomenclature within the Keweenawan Supergroup of Northern Michigan. Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan

January 1, 1992

No abstract available.

Publication Year	1992
Title	Revisions of stratigraphic nomenclature within the Keweenawan Supergroup of Northern Michigan. Geochemistry, petrography, and volcanology of rhyolites of the Portage Lake volcanics, Keweenaw Peninsula, Michigan
DOI	10.3133/b1970AB
Authors	William F. Cannon, Suzanne W. Nicholson
Publication Type	Report
Publication Subtype	USGS Numbered Series
Series Title	Bulletin
Series Number	1970
Index ID	b1970AB
Record Source	USGS Publications Warehouse
USGS Organization	Eastern Mineral and Environmental Resources Science Center

Citation Information