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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 49 (1965)

Issue: 7. (July)

First Page: 1087

Last Page: 1087

Title: Age of Previous HitMarineNext Hit Pleistocene of California: ABSTRACT

Author(s): John D. Obradovich

Article Type: Meeting abstract


Isotopic ages determined on glauconite from the Lomita Marl Member of the San Pedro Formation indicate that the Previous HitmarineTop Pliocene-Pleistocene boundary, as recognized in California by Woodring and others, is at least 3 million years old.

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Copyright 1997 American Association of Petroleum Geologists