Onion Creek Marl

Onion Creek Marl
State Texas
Name Onion Creek Marl
Geologic age Pleistocene
Lithologic constituents
Unconsolidated > Coarse-detrital > Sand (Bed)
Unconsolidated > Coarse-detrital > Gravel (Bed)
Unconsolidated > Fine-detrital > Clay (Bed)
Comments Onion Creek, Hays Co., TX. On Austin Sheet (1974) SW corner, forms broad terraces in the vicinity of Buda and downstream along Onion Creek; sand, clay, and gravel up to 50 ft thick.

Bureau of Economic Geology, 1974, Austin 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 Hays - Travis