leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 4 25 A 1 1 39.11 39.11 BULK CALCITE 95.8 4 25 A 1 1 39.92 39.92 BULK CALCITE 98.2 4 25 A 1 2 41.25 41.25 BULK CALCITE 98.7