leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 55 433 B 1 1 030 032 BULK 'amorphous material' measure 4.0 55 433 B 1 1 030 032 BULK CALCITE 192. 55 433 B 1 4 116 119 BULK 'amorphous material' measure 4.0 55 433 B 1 4 116 119 BULK CALCITE 192.