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Southeast Part of the Austin, Texas, 30 x 60 Minute Quadrangle...Digital Download

MM0047D

Geologic Map of the Southeast Part of the Austin, Texas, 30 x 60 Minute Quadrangle: Central Texas Population Corridor Encompassing Bastrop and Smithville, by E. W. Collins. Oversize color map, scale 1:100,000, 2008. Digital Version.

For a print version: MM0047.

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MM0047D. Geologic Map of the Southeast Part of the Austin, Texas, 30 x 60 Minute Quadrangle: Central Texas Population Corridor Encompassing Bastrop and Smithville, by E. W. Collins. Oversize color map, scale 1:100,000, 2008. Downloadable PDF.


To purchase this publication in paper format, please order MM0047.


About This Publication
This geologic map of the southeastern Austin corridor in Central Texas was constructed by digital compilation of eight 1:24,000-scale open-file geologic maps. The map is intended to be used by professionals and laypeople as a source of general geologic information about land and resource use and management. Geology of the area consists mostly of Paleocene through Eocene mud- and sand-rich units. Minor Upper Cretaceous marine marl and calcareous mud deposits are in the western study area. Quaternary high-gravel deposits and well-defined terrace deposits of the Colorado River also occur. Bedrock units typically exhibit eastward regional dips of less than 2°. In the western and eastern parts of the study area, northeast-striking normal faults cut strata. Aquifer units include the Carrizo-Wilcox, Queen City, Sparta, and Yegua. Resources include sand, gravel, clay, lignite, and oil.


Keywords: maps, geologic maps, land use, mineral resources, aquifers, Austin area, Bastrop area, Smithville area, Central Texas, Texas


Citation
Collins, E. W., 2008, Geologic Map of the Southeast Part of the Austin, Texas, 30 x 60 Minute Quadrangle: Central Texas Population Corridor Encompassing Bastrop and Smithville: The University of Texas at Austin, Bureau of Economic Geology, Miscellaneous Map No. 47, scale 1:100,000.

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