Abstract

The remnants of a probable Tertiary impact crater have been discovered in south Texas. The post-Eocene, pre-Pleistocene impact site is structurally deformed in a generally circular pattern with a diameter of about 4,023 m. Thrust-faulted and strongly folded Eocene shales and sandstones and allochthonous blocks of related sedimentary material exist over the isolated circular area in otherwise gently dipping sediments of the Gulf Coastal Plain.

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