leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 64 481 A 10 1 058 060 128.10 BULK QUARTZ 13.0 64 481 A 10 1 058 060 128.10 BULK FELDSPAR (undifferentiated) 9.0 64 481 A 10 1 058 060 128.10 BULK CALCITE 3.0 64 481 A 27 2 043 045 290.90 BULK QUARTZ 13.0 64 481 A 27 2 043 045 290.90 BULK FELDSPAR (undifferentiated) 12.0 64 481 A 27 2 043 045 290.90 BULK CALCITE 4.0 64 481 A 30 6 010 012 325.10 BULK QUARTZ 12.0 64 481 A 30 6 010 012 325.10 BULK FELDSPAR (undifferentiated) 8.0 64 481 A 30 6 010 012 325.10 BULK CALCITE 3.0 64 481 A 30 6 010 012 325.10 BULK PYRITE 2.0