Indio Formation

Indio Formation
State Texas
Name Indio Formation
Geologic age Paleocene to Eocene
Lithologic constituents
Sedimentary > Clastic > Mixed-clastic > Sandstone-mudstone (Bed)
Sedimentary > Coal > Lignite (Bed)
Comments sandstone, shale, siltstone, and lignite; many calcareous and arenaceous concretions; thickness about 440 ft

Bureau of Economic Geology, 1974, San Antonio Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000.

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.

NGMDB product
Counties Dimmit - Maverick - Uvalde - Webb - Zavala