Limestone beds near the base of the Bird Spring formation locally altered to dolomite (white) near the Silver Gem mine in Devil Canyon, in sec.33, T. 25 S., R. 58 E. Clark County, Nevada. Circa 1921.
Dates
Date Taken
1921
Summary
Limestone beds near the base of the Bird Spring formation locally altered to dolomite (white) near the Silver Gem mine in Devil Canyon, in sec. 33, T. 25 S., R. 58 E. Dolomitization has progressed outward (to the left) from a series of minor fractures (largely to the right of the field). Clark County, Nevada. Circa 1921. Plate 18-A in U.S. Geological Survey. Professional paper 162. 1931.
Summary
Limestone beds near the base of the Bird Spring formation locally altered to dolomite (white) near the Silver Gem mine in Devil Canyon, in sec. 33, T. 25 S., R. 58 E. Dolomitization has progressed outward (to the left) from a series of minor fractures (largely to the right of the field). Clark County, Nevada. Circa 1921. Plate 18-A in U.S. Geological Survey. Professional paper 162. 1931.
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