Evidence for continental crustal assimilation in the hemlock formation flood basalts of the Early Proterozoic Penokean orogen, Lake Superior region /

Bibliographic Details
Main Authors:	Beck, J. Warren (Author), Murthy, V. Rama (Author)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1991.
Series:	Contributions to Precambrian geology of Lake Superior region ; ch. I. U.S. Geological Survey bulletin ; 1904-I.
Subjects:	Rock deformation > Superior, Lake, Region. Geology, Stratigraphic > Proterozoic. Flood basalts > Superior, Lake, Region. Geology, Structural > Superior, Lake, Region. Flood basalts. Geology, Stratigraphic. Geology, Structural. Proterozoic Geologic Period. Rock deformation. Lake Superior Region. From 570 million to 2 billion years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo68051

Description
Item Description:	Title from title screen (viewed May 12, 2016).
Physical Description:	1 online resource (iv, 25 pages) : illustrations, maps.
Bibliography:	Includes bibliographical references (pages 19-25).