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Enchanted Rock dome, Llano and Gillespie counties, Texas

Robert M. Hutchinson
Robert M. Hutchinson
Department of Geology and Geological Engineering Colorado School of Mines, Golden, Colorado 80401
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January 01, 1988


Enchanted Rock dome is centrally situated in Texas (Fig. 1) and is easily accessible via state asphalt roads. The site is maintained year long, and for a small fee the visitor can climb to the top of the dome. The site can be reached by driving 17 mi (27.4 km) north from Fredericksburg on Texas 965 or south from Llano 15 mi (24.1 km) to the intersection of Texas 965. From there it is 8 mi (12.9 km) to the site. The exfoliation dome is the largest of five domes extending in a line for 1.75 mi (2.82 km) along the west side of Sandy Creek. The dome covers an area 0.4 x 0.6 mi (0.64 x 0.96 km) and is 425 ft ( 129.5 m) high. Granitetectonic features of the dome can easily be seen in half a day (Fig. 2).

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DNAG, Centennial Field Guides

South-Central Section of the Geological Society of America

O. T. Hayward
O. T. Hayward
Geology Department, Baylor University, Waco, Texas 76798
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Geological Society of America
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Publication date:
January 01, 1988




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