Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan /

Bibliographic Details
Main Authors:	Bornhorst, Theodore J. (Author), Johnson, R. C. (Rodney C.) (Author)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1993.
Series:	Contributions to Precambrian geology of Lake Superior region ; ch. P. U.S. Geological Survey bulletin ; 1904-P.
Subjects:	Volcanic ash, tuff, etc. > Michigan. Geology, Stratigraphic > Archaean. Geology > Michigan. Archaean Geologic Period. Geology. Geology, Stratigraphic. Volcanic ash, tuff, etc. Michigan. From 2 to 5 billion years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo68192

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