Pegmatites of the Crystal Mountain District, Larimer County, Colorado
Description:
From abstract: The Front Range of Colorado is composed chiefly of schists of the Idaho Springs formation of pre-Cambrian age which have been intruded by a variety of granitic batholiths. In the Crystal Mountain district the Mount Olympus granite, a satellite of Fuller's Longs Peak batholith, forms sills and essentially concordant multiple intrusions in quartz-mica schist that dips southward at moderate to steep angles. A great number of pegmatites accompanied and followed the intrusion of the s…
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Date:
1955
Creator:
Thurston, William R.
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department