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MAFIC-ULTRAMAFIC IGNEOUS ROCKS AND ASSOCIATED CARBONATITES OF THE GEM PARK COMPLEX, CUSTER AND FREMONT COUNTIES, COLORADO; GEOLOGICAL SURVEY PROFESSIONAL PAPER 649
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1970. Soft cover. Item #46149
The Gem Park Complex - its geology and mineralogy, and its niobium distribution. 24 pages with maps, thin sections, tables references and index, plus the two folded plates in the rear pocket. Bound in original gray thick paper covers printed in black. Stamp of geologist Richard H. Jahns on the front cover. A near fine copy.
Price: $20.00
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Geology, Hydrology, Petrology, Paleontology,
Government Publications
See all items by Raymond L. Parker, William N. Sharp