leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 65 483 B 1 4 107 109 97.08 BULK CLAY MINERALS 81.5 65 483 B 1 4 107 109 97.08 BULK QUARTZ 10.0 65 483 B 1 4 107 109 97.08 BULK FELDSPAR (undifferentiated) 7.0 65 483 B 1 4 107 109 97.08 BULK CALCITE 1.5