leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 12 117 2 100.00 104.01 BULK 'diffuse scattering' measure 58.6 12 117 2 100.00 104.01 BULK 'amorphous material' measure 35.3 12 117 2 100.00 104.01 BULK CALCITE 98.3 12 117 2 100.00 104.01 BULK QUARTZ 0.3