Paleomegnetic and geochemistry of sediments from the early Aptian Oceanic Anoxic Event, supplement to: Li, Yong-Xiang; Bralower, Timothy J; Montanez, Isabel P; Osleger, David A; Arthur, Michael A; Bice, David M; Herbert, Timothy D; Erba, Elisabetta; Premoli Silva, Isabella (2008): Toward an orbital chronology for the early Aptian Oceanic Anoxic Event (OAE1a, ~120 Ma). Earth and Planetary Science Letters, 271(1-4), 88-100

Yong-Xiang Li, Timothy J Bralower, Isabel P Montanez, David A Osleger, Michael A Arthur, David M Bice, Timothy D Herbert, Elisabetta Erba & Isabella Premoli Silva
The early Aptian Oceanic Anoxic Event (OAE1a, 120 Ma) represents a geologically brief time interval in the mid-Cretaceous greenhouse world that is characterized by increased organic carbon accumulation in marine sediments, sudden biotic changes, and abrupt carbon-isotope excursions indicative of significant perturbations to global carbon cycling. The brevity of these drastic environmental changes (< 10**6 year) and the typically 10**6 year temporal resolution of the available chronologies, however, represent a critical gap in our knowledge...
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