leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 15 147 C 7 170.00 176.58 BULK 'diffuse scattering' measure 84.4 15 147 C 7 170.00 176.58 BULK 'amorphous material' measure 75.6 15 147 C 7 170.00 176.58 BULK CALCITE 20.5 15 147 C 7 170.00 176.58 BULK DOLOMITE 1.5 15 147 C 7 170.00 176.58 BULK QUARTZ 36.2 15 147 C 7 170.00 176.58 BULK PLAGIOCLASE 3.3 15 147 C 7 170.00 176.58 BULK KAOLINITE 6.9 15 147 C 7 170.00 176.58 BULK MICA 22.3 15 147 C 7 170.00 176.58 BULK CHLORITE 4.3