leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 6 50 2 44.90 51.00 SILT QUARTZ 48.5 6 50 2 44.90 51.00 SILT K-FELDSPAR 8.2 6 50 2 44.90 51.00 SILT MICA 38.6 6 50 2 44.90 51.00 SILT BARITE 4.6