leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 60 461 1 1 054 056 0.54 BULK QUARTZ 2.0 60 461 1 1 054 056 0.54 BULK K-FELDSPAR 2.0 60 461 2 3 040 042 4.91 BULK CLAY MINERALS 80.8 60 461 2 3 040 042 4.91 BULK QUARTZ 2.6 60 461 2 3 040 042 4.91 BULK FELDSPAR (undifferentiated) 8.0 60 461 2 3 040 042 4.91 BULK PYROXENE 1.0 60 461 2 3 040 042 4.91 BULK HORNBLENDE 2.0 60 461 2 3 040 042 4.91 BULK CALCITE 2.6