leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 6 58 A 1 1 1.36 1.38 BULK CALCITE 74.3 6 58 A 1 1 1.36 1.38 BULK QUARTZ 3.1 6 58 A 1 1 1.36 1.38 BULK PLAGIOCLASE 1.6 6 58 A 1 2 1.71 1.73 BULK CALCITE 76.5 6 58 A 1 2 1.71 1.73 BULK QUARTZ 2.1 6 58 A 1 2 2.38 2.40 BULK CALCITE 86.0 6 58 A 1 3 4.45 4.50 BULK CALCITE 70.6 6 58 A 1 3 4.45 4.50 BULK QUARTZ 1.8 6 58 A 1 3 4.45 4.50 BULK PLAGIOCLASE 1.5