precision stratigraphy associates

Upper Albian OAE 1d event in the Chihuahua Trough, New Mexico, U.S.A.

Oceanic anoxic events are clues to ocean processes and are correlation datums. In North America only OAE 1a and 2 are well documented. Based on a low-resolution sampling program, a multi-proxy geochemical approach constrained by a biostratigraphic framework was utilized to
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