A Tsunami Deposit at the Cretaceous-Tertiary Boundary in Texas
@article{Bourgeois1988ATD, title={A Tsunami Deposit at the Cretaceous-Tertiary Boundary in Texas}, author={Joanne Bourgeois and Thor A. Hansen and Patricia L. Wiberg and Erle G. Kauffman}, journal={Science}, year={1988}, volume={241}, pages={567 - 570} }
At sites near the Brazos River, Texas, an iridium anomaly and the paleontologic Cretaceous-Tertiary boundary directly overlie a sandstone bed in which coarse-grained sandstone with large clasts of mudstone and reworked carbonate nodules grades upward to wave ripple-laminated, very fine grained sandstone. This bed is the only sandstone bed in a sequence of uppermost Cretaceous to lowermost Paleocene mudstone that records about 1 million years of quiet water deposition in midshelf to outer shelf…
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