leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 65 482 1 2 053 055 2.04 BULK CLAY MINERALS 76.0 65 482 1 2 053 055 2.04 BULK QUARTZ 14.0 65 482 1 2 053 055 2.04 BULK FELDSPAR (undifferentiated) 8.0 65 482 1 2 053 055 2.04 BULK CALCITE 2.0