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The AAPG/Datapages Combined Publications Database

Journal of Petroleum Geology

Abstract

Journal of Petroleum Geology, Vol.4, No.3, pp. 311-318, 1982

©Copyright 2000 Scientific Press, Ltd.

THE JURASSIC-CRETACEOUS BOUNDARY IN THE SUBSURFACE OF EASTERN MEXICO

A. Cantú Chapa*

*Gerencia de Exploratión, Petróleos Mexicanos, México, D.F. Mailing address: Fuente del Mirador no. 20, Lomas de Tecamachalco, Edo. de Mexico, Z.P. 10, México.

Abstract

The continuous appearance of certain ammonite genera in the cores of some wells were helpful in identifying the Jurassic-Cretaceous boundary in the subsurface of eastern Mexico. These genera belong to the families Haploceratidae, Berriasellidae, and Protancyloceratinae. The studied wells are located in a large region of the eastern Gulf Coastal Plain of Mexico, the length of which is roughly 1,500 km.

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