Cerium anomalies and iodine track nonuniform paleoredox conditions during the Aptian Oceanic Anoxic Event 1a

Cerium anomalies and iodine track nonuniform paleoredox conditions during the Aptian Oceanic Anoxic Event 1a

Abstract The Early Aptian Oceanic Anoxic Event 1a (OAE 1a) marks a period of global marine anoxia linked to volcanic activity and climate changes during the Cretaceous. This study analyzes a ~ 40-m-thick Lower Aptian succession from the Kazhdumi Intrashelf Basin, Iran, using I/(Ca + Mg) ratios, Ce a...

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Main Authors: Arman Jafarian, Antun Husinec, Ardiansyah Koeshidayatullah, Xi Chen, Meng Wang, Clemens Vinzenz Ullmann, Abdus Saboor, Kaibo Han, Chengshan Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-025-09471-4
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https://doi.org/10.1038/s41598-025-09471-4

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