leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 66 489 A 3 1 090 097 46.90 BULK CLAY MINERALS 67.0 66 489 A 3 1 090 097 46.90 BULK QUARTZ 22.0 66 489 A 3 1 090 097 46.90 BULK FELDSPAR (undifferentiated) 9.0 66 489 A 7 3 093 095 87.93 BULK CLAY MINERALS 62.0 66 489 A 7 3 093 095 87.93 BULK QUARTZ 25.0 66 489 A 7 3 093 095 87.93 BULK FELDSPAR (undifferentiated) 12.0 66 489 A 12 1 050 052 132.02 BULK CLAY MINERALS 62.0 66 489 A 12 1 050 052 132.02 BULK QUARTZ 20.0 66 489 A 12 1 050 052 132.02 BULK FELDSPAR (undifferentiated) 16.0 66 489 A 12 1 050 052 132.02 BULK HORNBLENDE 2.0 66 489 A 16 1 010 012 164.60 BULK CLAY MINERALS 57.0 66 489 A 16 1 010 012 164.60 BULK QUARTZ 21.0 66 489 A 16 1 010 012 164.60 BULK FELDSPAR (undifferentiated) 20.0 66 489 A 16 1 010 012 164.60 BULK HORNBLENDE 2.0 66 489 A 21 4 000 002 202.50 BULK CLAY MINERALS 62.0 66 489 A 21 4 000 002 202.50 BULK QUARTZ 23.0 66 489 A 21 4 000 002 202.50 BULK FELDSPAR (undifferentiated) 15.0 66 489 A 25 2 010 012 237.60 BULK CLAY MINERALS 43.0 66 489 A 25 2 010 012 237.60 BULK QUARTZ 25.0 66 489 A 25 2 010 012 237.60 BULK FELDSPAR (undifferentiated) 20.0 66 489 A 25 2 010 012 237.60 BULK HORNBLENDE 2.0 66 489 A 31 CC 018 020 300.18 BULK CLAY MINERALS 50.0 66 489 A 31 CC 018 020 300.18 BULK QUARTZ 26.0 66 489 A 31 CC 018 020 300.18 BULK FELDSPAR (undifferentiated) 24.0