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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310 Citations

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