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The AAPG/Datapages Combined Publications Database

AAPG Special Volumes

Abstract

AAPG Memoir 75, Chapter 17: The Cretaceous-Paleocene Boundary in the Subsurface Campeche Shelf, Southern Gulf of Mexico, by Abelardo Cant250_u.jpg (467 bytes)-Chapa and Rom225_a.jpg (470 bytes)n Landeros-Flores, Pages 389 - 395
from:
AAPG Memoir 75: The Western Gulf of Mexico Basin: Tectonics, Sedimentary Basins, and Petroleum Systems, Edited by Claudio Bartolini, Richard T. Buffler, and Abelardo Cant250_u.jpg (467 bytes)-Chapa
Copyright copyrght.jpg (4253 bytes)2001 by The American Association of Petroleum Geologists. All rights reserved.

The Cretaceous-Paleocene Boundary in the Subsurface Campeche Shelf, Southern Gulf of Mexico

Abelardo Cant250_u.jpg (467 bytes)-Chapa
Instituto Polit233_e.jpg (471 bytes)cnico Nacional, Mexico City, Mexico

Rom225_a.jpg (470 bytes)n Landeros-Flores (deceased)
Petr243_o.jpg (458 bytes)leos Mexicanos, Ciudad del Carmen, Campeche, Mexico

Dedicated to Mr. Rudecindo Cantarell, a fisherman who discovered and reported the existence of oil seeps in waters of the Campeche Shelf.

ABSTRACT

The Cretaceous-Paleocene boundary on the Campeche Shelf is established with planktonic foraminiferal biostratigraphy from core and chip samples and is correlated with gamma-ray well logs. The Campanian-Maestrichtian Cantarell Formation is herein formally described as a breccia formed of Previous HitcalcareousTop or dolomitized fragments cemented by micrite. Its age is established using Globotruncana species. The Abkatun Formation is formally described as brown shale and shaly limestone that contains Parvularugoglobigerina trinidadensis and Pa. pseudobulloides of the lower Paleocene. The upper Paleocene is represented by greenish-gray shale that contains Morozovella velascoensis, M. formosa formosa, M. aragonensis, and Globoanomalina pseudomenardii.

The broad regional distribution and distinctive lithology of the Cantarell and Abkatun Formations allow them to be differentiated from overlying and underlying formations. The boundary between the lower and upper Paleocene is conformable.

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