Limestone-clay contact deposit, main stope, Fresno Mine. Presidio County, Texas, circa. 1943.
Dates
Date Taken
1943
Summary
Album caption: Limestone-clay contact deposit, main stope, Fresno Mine. Banded rock in center is cinnabar-impregnated cave-fill clay; limestone to left. The darker bands are richer in cinnabar; the black bands contain 50 percent or more cinnabar. Terlingua district, Presidio County, Texas, circa. 1943. Published as plate 8-A in U. S. Geological Survey. Professional paper 312. 1959.
Summary
Album caption: Limestone-clay contact deposit, main stope, Fresno Mine. Banded rock in center is cinnabar-impregnated cave-fill clay; limestone to left. The darker bands are richer in cinnabar; the black bands contain 50 percent or more cinnabar. Terlingua district, Presidio County, Texas, circa. 1943.
Published as plate 8-A in U. S. Geological Survey. Professional paper 312. 1959.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Yates, R. G. Collection.
Rights
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