Rock units of the Precambrian basement in Colorado /

Bibliographic Details
Main Author:	Tweto, Ogden, 1912-1983 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : Department of the Interior, U.S. Geological Survey, 1987.
Series:	U.S. Geological Survey professional paper ; 1321-A. Geology of the Precambrian basement in Colorado.
Subjects:	Geology > Colorado. Geology, Stratigraphic > Precambrian. Geology. Geology, Stratigraphic. Precambrian Geologic Period. Colorado. From 570 million to 5 billion years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo91790

Description
Item Description:	"Description and distribution of Proterozoic and Archean metamorphic and igneous rocks in outcrop and the buried basement in Colorado."
Physical Description:	1 online resource (iii, A54 pages) : illustrations, maps + 1 plate.
Bibliography:	Includes bibliographical references (pages A47-A54).