January 1999
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Rocky Mountain Geology
Rocky Mountain Geology; March 1999; v. 34; no. 1; p. 21-35; DOI: 10.2113/34.1.21 © 1999 University of Wyoming
The 1.4-Ga Mount Ethel pluton is a northeast-trending elliptical body of granodiorite to quartz monzonite surrounded by Lower Proterozoic (1.8–1.7 Ga) rocks in the Park Range, northeast of Steamboat Springs, Colorado. The contact along the northern and southern margins of the pluton is...