leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 66 493 A 1 1 041 042 97.91 BULK CLAY MINERALS 42.0 66 493 A 1 1 041 042 97.91 BULK QUARTZ 6.0 66 493 A 1 1 041 042 97.91 BULK FELDSPAR (undifferentiated) 2.0 66 493 A 1 1 070 072 12.70 BULK CLAY MINERALS 68.0 66 493 A 1 1 070 072 12.70 BULK QUARTZ 19.0 66 493 A 1 1 070 072 12.70 BULK FELDSPAR (undifferentiated) 5.0 66 493 A 1 1 070 072 12.70 BULK HORNBLENDE 2.0 66 493 A 1 1 145 147 1.45 BULK CLAY MINERALS 73.0 66 493 A 1 1 145 147 1.45 BULK QUARTZ 15.0 66 493 A 1 1 145 147 1.45 BULK FELDSPAR (undifferentiated) 6.0 66 493 A 2 2 080 082 23.80 BULK CLAY MINERALS 72.0 66 493 A 2 2 080 082 23.80 BULK QUARTZ 15.0 66 493 A 2 2 080 082 23.80 BULK FELDSPAR (undifferentiated) 5.0 66 493 A 2 2 101 106 24.04 BULK CLAY MINERALS 70.0 66 493 A 2 2 101 106 24.04 BULK QUARTZ 10.0 66 493 A 2 2 101 106 24.04 BULK FELDSPAR (undifferentiated) 8.0