Geochemical Characterization Of Cherts From The 3.46Ga Apex Basalt To Assess The Origins Of Possible Biosignatures

Dina M Bower1, Andrew Steele2, Michael R Ackerson2, Emma S Bullock2, Owen R Green3, Marc Fries4 and Pamela Gales Conrad1, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)Carnegie Institution for Science, Geophysical Laboratory, Washington, DC, United States, (3)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (4)NASA Johnson Space Center, Houston, TX, United States