Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Texas
| State | Texas |
|---|---|
| Name | Indio Formation |
| Geologic age | Phanerozoic | Cenozoic | Tertiary | Paleocene Eocene |
| Original map label | EPAin |
| Comments | sandstone, shale, siltstone, and lignite; many calcareous and arenaceous concretions; thickness about 440 ft |
| Primary rock type | fine-grained mixed clastic |
| Secondary rock type | coal |
| Other rock types | |
| Lithologic constituents | Major
Sedimentary > Clastic > Mixed-clastic > Sandstone-Mudstone (Bed) Incidental
Sedimentary > Coal > Lignite (Bed) |
| Map references | Bureau of Economic Geology, 1992, Geologic Map of Texas: University of Texas at Austin, Virgil E. Barnes, project supervisor, Hartmann, B.M. and Scranton, D.F., cartography, scale 1:500,000 |
| Unit references | Bureau of Economic Geology, 1974, San Antonio Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000. |
| Geographic coverage | Dimmit - Maverick - Uvalde - Webb - Zavala |
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U.S. Department of the Interior |
U.S. Geological Survey
URL:
http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=TXEOPNin;0
Page Contact Information: Peter Schweitzer
