leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 62 464 2 3 091 093 7.42 BULK CLAY MINERALS 69.4 62 464 2 3 091 093 7.42 BULK QUARTZ 10.4 62 464 2 3 091 093 7.42 BULK FELDSPAR (undifferentiated) 2.0 62 464 2 3 091 093 7.42 BULK CALCITE 19.2 62 464 3 3 020 022 16.21 BULK CLAY MINERALS 66.2 62 464 3 3 020 022 16.21 BULK QUARTZ 7.2 62 464 3 3 020 022 16.21 BULK FELDSPAR (undifferentiated) 1.0 62 464 3 3 020 022 16.21 BULK CALCITE 25.6 62 464 4 3 085 087 26.36 BULK CLAY MINERALS 84.4 62 464 4 3 085 087 26.36 BULK QUARTZ 13.0 62 464 4 3 085 087 26.36 BULK FELDSPAR (undifferentiated) 2.6 62 464 5 3 080 082 35.81 BULK CLAY MINERALS 87.6 62 464 5 3 080 082 35.81 BULK QUARTZ 10.4 62 464 5 3 080 082 35.81 BULK FELDSPAR (undifferentiated) 2.0 62 464 6 5 094 096 48.45 BULK CLAY MINERALS 91.2 62 464 6 5 094 096 48.45 BULK QUARTZ 3.9 62 464 6 5 094 096 48.45 BULK FELDSPAR (undifferentiated) 4.6 62 464 7 5 083 085 57.84 BULK CLAY MINERALS 93.4 62 464 7 5 083 085 57.84 BULK QUARTZ 2.6 62 464 7 5 083 085 57.84 BULK FELDSPAR (undifferentiated) 4.0 62 464 9 1 075 077 70.76 BULK CLAY MINERALS 98.0 62 464 9 1 075 077 70.76 BULK QUARTZ 2.0 62 464 10 3 070 072 83.21 BULK CLAY MINERALS 40.0 62 464 10 3 070 072 83.21 BULK QUARTZ 45.0 62 464 10 3 070 072 83.21 BULK OPAL 5.0