Volume 324 Supplementary Material Supplementary material includes downhole alteration, presence and preservation of glass rinds, hyaloclastite thin section description, unit boundary, and vein logs and volcaniclastic thin section reports in Excel spreadsheet format. LOGS 324ALT.XLS 324GLASS.XLS 324TS.XLS 324UNIT.XLS 324VEIN.XLS TSREP TS1213B.XLS TSU1346A.XLS TSU1347A.XLS TSU1349A.XLS TSu1350A.XLS