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Precambrian melasyenite of Ute Creek, San Juan Mountains, Colorado -- chemistry, petrology, and strontium isotopes : hornblende-biotite melasyenite, exposed in an erosional window through Tertiary and Quaternary rocks, is similar in age and composition to rocks near Powerhorn, Colorado / by Fred Barker, Z.E. Peterman, and R.F. Marvin.

Barker, Fred, 1928- (author.). Marvin, Richard F., (author.). Peterman, Zell E., (author.). Geological Survey (U.S.), (issuing body.).

Record details

  • Physical Description: 1 online resource (iii, 15 pages) : illustrations.
  • Publisher: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1970.
  • Distributor: Washington : United States Government Printing Office

Content descriptions

General Note: Title from title screen (viewed September 15, 2014).
Bibliography, etc. Note: Includes bibliographical references (pages 14-15).
Subject: Chemistry > San Juan Mountains (Colo. and N.M.)
Petrology > San Juan Mountains (Colo. and N.M.)
Strontium > Isotopes > San Juan Mountains (Colo. and N.M.)

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