Thomas Giachetti¹, Kathleen Trafton², Eamonn Needham², James M Watkins², Heather Michelle Nicholson Wright³ and James E Gardner⁴, (1)University of Oregon, Earth Sciences, Eugene, OR, United States, (2)University of Oregon, Eugene, OR, United States, (3)USGS, Baltimore, MD, United States, (4)University of Texas at Austin, Department of Geological Sciences, Jackson School of Geosciences, Austin, TX, United States