leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 6 53 B 1 12.10 12.20 SILT QUARTZ 19.1 6 53 B 1 12.10 12.20 SILT PLAGIOCLASE 45.0 6 53 B 1 12.10 12.20 SILT KAOLINITE 12.0 6 53 B 1 12.10 12.20 SILT MICA 23.9 6 53 B 1 13.10 13.20 SILT QUARTZ 5.0 6 53 B 1 13.10 13.20 SILT CRISTOBALITE 6.7 6 53 B 1 13.10 13.20 SILT PLAGIOCLASE 88.3 6 53 B 1 13.30 13.40 SILT QUARTZ 5.2 6 53 B 1 13.30 13.40 SILT CRISTOBALITE 10.1 6 53 B 1 13.30 13.40 SILT PLAGIOCLASE 84.7