leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 66 491 3 7 020 021 28.70 BULK CLAY MINERALS 72.0 66 491 3 7 020 021 28.70 BULK QUARTZ 20.0 66 491 3 7 020 021 28.70 BULK FELDSPAR (undifferentiated) 8.0 66 491 7 3 080 082 61.30 BULK CLAY MINERALS 75.0 66 491 7 3 080 082 61.30 BULK QUARTZ 16.0 66 491 7 3 080 082 61.30 BULK FELDSPAR (undifferentiated) 9.0 66 491 11 3 072 074 99.22 BULK CLAY MINERALS 62.0 66 491 11 3 072 074 99.22 BULK QUARTZ 21.0 66 491 11 3 072 074 99.22 BULK FELDSPAR (undifferentiated) 17.0 66 491 15 2 080 082 126.30 BULK CLAY MINERALS 62.0 66 491 15 2 080 082 126.30 BULK QUARTZ 20.0 66 491 15 2 080 082 126.30 BULK FELDSPAR (undifferentiated) 18.0 66 491 16 2 130 131 136.30 BULK CLAY MINERALS 61.0 66 491 16 2 130 131 136.30 BULK QUARTZ 23.0 66 491 16 2 130 131 136.30 BULK FELDSPAR (undifferentiated) 12.0 66 491 20 1 072 074 172.22 BULK CLAY MINERALS 66.0 66 491 20 1 072 074 172.22 BULK QUARTZ 23.0 66 491 20 1 072 074 172.22 BULK FELDSPAR (undifferentiated) 9.0 66 491 20 1 072 074 172.22 BULK HORNBLENDE 2.0 66 491 30 3 110 112 261.10 BULK CLAY MINERALS 69.0 66 491 30 3 110 112 261.10 BULK QUARTZ 21.0 66 491 30 3 110 112 261.10 BULK FELDSPAR (undifferentiated) 10.0 66 491 40 2 098 100 354.48 BULK CLAY MINERALS 67.0 66 491 40 2 098 100 354.48 BULK QUARTZ 22.0 66 491 40 2 098 100 354.48 BULK FELDSPAR (undifferentiated) 11.0