leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 55 430 A 1 1 087 088 BULK CLAY MINERALS 10.0 55 430 A 1 1 087 088 BULK QUARTZ 1.0 55 430 A 1 1 087 088 BULK FELDSPAR (undifferentiated) 1.0 55 430 A 1 1 087 088 BULK APATITE 2.0 55 430 A 1 1 087 088 BULK CALCITE 172. 55 430 A 2 1 119 121 BULK CLAY MINERALS 21.0 55 430 A 2 1 119 121 BULK QUARTZ 2.0 55 430 A 2 1 119 121 BULK FELDSPAR (undifferentiated) 3.0 55 430 A 2 1 119 121 BULK CALCITE 148. 55 430 A 4 1 136 138 BULK 'amorphous material' measure 27.0 55 430 A 4 1 136 138 BULK CLAY MINERALS 60.0 55 430 A 4 1 136 138 BULK QUARTZ 1.0 55 430 A 4 1 136 138 BULK FELDSPAR (undifferentiated) 8.0 55 430 A 4 1 136 138 BULK PHILLIPSITE 4.0 55 430 A 4 1 136 138 BULK CALCITE 3.0