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The AAPG/Datapages Combined Publications Database
GCAGS Transactions
Abstract
Extended Abstract: Structural History of Northeastern Texas and Northern Louisiana from the Lower Cretaceous to the Early Eocene
Abstract
We have utilized 525 logs from wells to map the top of the James Limestone, the top of the Gulf-wide Cretaceous/Paleogene Boundary Deposit (KPBD) and the top of the Midway Shale from longitude 95.5 degrees west in northeastern Texas to the Mississippi River and from 31 degrees north to the latitude of the border of Louisiana and Arkansas (33 degrees). (We recognize that the Midway Shale contact with the underlying carbonate is not the K/Pg boundary, as that boundary properly is recognized as the first evidence of the Chicxulub Impact and is at the base of the KPBD.) We present isochore maps of the intervals between these mapped horizons to investigate the structural deformation and its timing in the region. Some conclusions are:
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