Antarctic microbial mats: A modern analog for Archean lacustrine oxygen oases

• Main Authors: Sumner, Dawn Y, Hawes, Ian, Mackey, Tyler J, Jungblut, Anne D, Doran, Peter T
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: eScholarship, University of California 2015
• Subjects: Life Below Water; Earth Sciences; Geochemistry & Geophysics; Antarctic; Fryxell; Lake Fryxell; Antarc*; Antarctica
• Online Access: https://escholarship.org/uc/item/9gr788vv

The evolution of oxygenic photosynthesis was the most important geochemical event in Earth history, causing the Great Oxidation Event (GOE) ~2.4 b.y. ago. However, evidence is mixed as to whether O2 production occurred locally as much as 2.8 b.y. ago, creating O2 oases, or initiated just prior to th...