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The AAPG/Datapages Combined Publications Database
GCAGS Transactions
Abstract
Late Quaternary Climates Indicated by Foraminifers from the Southwestern Gulf of Mexico
Bruce R. Sidner (1), C. Wylie Poag (1)
ABSTRACT
The planktonic foraminiferal assemblages were examined in 22 deep-sea cores from the Bay of Campeche in the southwestern Gulf of Mexico. Analysis of these assemblages clearly indicates three distinct successive biofacies during the Late Pleistocene and Holocene. The biofacies are defined by variations in the relative percentages of the Globorotalia cultrata group and Turborotalia inflata. Excellent correlation can be made between these biofacies and those found in a core from the continental slope in the northern Gulf of Mexico. These biofacies are interpreted as representing climatic changes.
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