leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 81 552 A 25 1 104 BULK CALCITE 96.0 81 552 A 26 2 069 070 BULK CALCITE 96.0 81 552 A 27 2 130 131 BULK CALCITE 91.0 81 552 A 28 2 130 131 BULK CALCITE 94.0 81 552 A 29 1 097 098 BULK CALCITE 91.0 81 552 A 30 1 076 077 BULK CALCITE 95.0 81 552 A 31 2 100 101 BULK CALCITE 95.0 81 552 A 32 2 054 055 BULK CALCITE 93.0 81 552 A 33 3 083 084 BULK CALCITE 93.0 81 552 A 34 1 080 081 BULK QUARTZ 1.0 81 552 A 34 1 080 081 BULK CALCITE 94.0 81 552 A 35 3 030 031 BULK CALCITE 93.0 81 552 A 36 2 050 051 BULK CALCITE 84.0 81 552 A 37 1 015 016 BULK QUARTZ 2.0 81 552 A 37 1 015 016 BULK CALCITE 65.0 81 552 A 37 1 106 107 BULK CALCITE 3.0 81 552 A 37 2 051 052 BULK QUARTZ 3.0 81 552 A 37 2 051 052 BULK CALCITE 25.0 81 552 A 37 2 051 052 BULK K-FELDSPAR 4.0 81 552 A 37 2 092 093 BULK QUARTZ 3.0 81 552 A 37 2 092 093 BULK CALCITE 20.0 81 552 A 37 2 092 093 BULK K-FELDSPAR 6.0 81 552 A 38 1 130 131 BULK QUARTZ 2.0 81 552 A 38 1 130 131 BULK CALCITE 24.0 81 552 A 38 1 130 131 BULK K-FELDSPAR 4.0