Note Details

Category: Analysis

Fragment 9 (3.5 um x 3.5 um) Mn-rich augite? (up to 7 wt % Mn) – this grain appears to have been heavily shocked, minor Al, Ca, Cr and Fe (and K??), variable Ca (pigeonite to augite): major phase Bulk high Si glass (minor Al) Minor FeNi/FeS nanobeads in SiO2 melt rim No BSE image taken Dave Joswiak Feb 12, 2010