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Showing 1 to 2 of 2 for “"Brewster County"”.
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Geology of the Christmas and Rosillos Mountains, Brewster County, Texas
… and Rosillos Mountains area in southern Brewster County covers 145 square miles and in it are exposed Cretaceous sedimentary formations, some extrusive bodies, and many hypabyssal intrusions of probable early Tertiary age. The upper Devils River limestone, which is equivalent, at least in …
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Geology of the Northern Alto Relex Area, Big Bend National Park, Brewster County, Texas
<p>Detailed, 1:12,000-scale geologic field mapping was conducted around Alto Relex in the northern Sierra Del Carmen Mountains in Big Bend National Park. Alto Relex is a prominent, near vertical, ~1000 foot-high fault-line scarp. Cretaceous rocks in the area were folded and faulted by Laramide …