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The AAPG/Datapages Combined Publications Database
West Texas Geological Society
Abstract
Abstract: Interpretation of Landsat Image 31-39 Crockett, Edwards, Kimble, Kinney, Pecos, Sutton, Terrell, and Val Verde Counties, Texas, and Coahuila, Mexico
The Landsat image analysis provides a regional structural and geographic picture of the area visited by the WTGS Fall 1983 Field Trip. The Band 5 image shown was taken 3-6-79 (Fig. 1).
Most of the image area is within the Edwards and Stockton Plateau physiographic province. Surface outcrops are mostly Cretaceous. Scattered Permian, Tertiary and Quaternary outcrops occur and drainages are filled with Quaternary alluvium.
Several structural trends are apparent on the image. The E-W trending Carta Valley Fault zone is visible as tonal, drainage and lineament anomalies. The ESE trending Brown-Bassett-JM Fault zone shows lineaments and a large drainage diversion on the Pecos River. The SE trending Agua Verdes anticline is visible as a tonal, drainage and lineament anomaly. Drainage alignments, diversions, and contrasts are the most useful structural indicators for this image area.
A regional vegetation contrast is visible as a tonal change between the area east and west of the Pecos River. The Pecos marks the approximate boundary of the Chihuahuan and Tamaulipian biotic provinces within the image area.
Figure 1.
Acknowledgments and Associated Footnotes
1 Denis E. Foley: Superior Oil Company, Midland, Texas
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