The Eastern Shelf was a constructional platform developed on the margin of the sediment-starved Midland Basin during Late Pennsylvanian and Early Permian time. A mixed terrigenous-carbonate sedimentary province characterized ...

Six fossil communities were recognized in the Del Rio Formation based on Q-mode cluster analysis of 158 samples collected from 14 Del Rio measured sections in central through north Texas. Using this method of analysis, ...

The Canyon Group (Missourian Series) is a sequence of westward-dipping, genetically related carbonate and terrigenous clastic facies that crop out in a northeast-southwest belt across North-Central Texas. The section ...

Surface and subsurface studies between the San Marcos-Guadalupe and Sabine Rivers indicate that terrigenous clastic sequences in the Queen City Formation accumulated as part of a high-constructive, lobate delta system. ...