Isotopically Light Carbon (δ13C -31 to -24 ‰) in the Mantle by at Least 3.2 Ga: Insights from Carbonado Diamond


Scott A Eckley1, Richard A Ketcham2 and Federico Galster2, (1)Jacobs Technology, Johnson Space Center, Houston, TX, United States, (2)University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States