leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 9 76 A 1 9.20 9.20 BULK CALCITE 77.1 9 76 A 1 9.60 12.10 BULK CALCITE 87.0 9 76 A 2 18.80 21.30 BULK CALCITE 87.0 9 76 A 2 26.70 26.70 BULK CALCITE 41.9 9 76 A 2 26.70 26.70 BULK QUARTZ 2.1