leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 67 497 11 3 038 040 95.88 BULK CALCITE 5.0 67 497 15 5 027 029 136.79 BULK CALCITE 5.0 67 497 16 5 063 065 146.63 BULK CALCITE 2.0 67 497 19 4 021 023 173.21 BULK CALCITE 2.0 67 497 23 3 006 008 209.56 BULK CALCITE 3.0 67 497 34 3 030 032 314.30 BULK CALCITE 1.0 67 497 39 3 093 095 362.43 BULK CALCITE 4.0 67 497 40 5 090 092 374.90 BULK CALCITE 7.0 67 497 42 8 036 039 396.36 BULK CALCITE 3.0