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

• Published in: Geology
• Main Authors: Sumner, DY, Hawes, I, Mackey, TJ, Jungblut, AD, Doran, PT
• Format: Article in Journal/Newspaper
• Language: English
• Published: eScholarship, University of California 2015
• Subjects: Antarctic; Fryxell; Lake Fryxell; Antarc*; Antarctica
• Online Access: http://www.escholarship.org/uc/item/9gr788vv

© 2015 Geological Society of America. 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 O...