MAFIC-ULTRAMAFIC LAYERED INTRUSION AT IRON MOUNTAIN, FREMONT COUNTY, COLORADO; CONTRIBUTIONS TO GENERAL GEOLOGY: GEOLOGICAL SURVEY BULLETIN 1151-A

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1967. Softcover. Item #45762

Mafic and ultramafic rocks occur in a small layered funnel-shaped intrusive complex associated with younger alkalic rocks of the McClure Mountain Complex. 28 pages with photographs, tables, figures, references and index, plus the folded map in the rear pocket. Bound in the standard origianl gray stiff paper with printing in black. Name on the front cover. Toning along the spine. A near fine copy.

Price: $20.00