leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 13 134 A 1 30.00 31.40 BULK 'diffuse scattering' measure 77.6 13 134 A 1 30.00 31.40 BULK 'amorphous material' measure 65.0 13 134 A 1 30.00 31.40 BULK CALCITE 29.1 13 134 A 1 30.00 31.40 BULK QUARTZ 23.7 13 134 A 1 30.00 31.40 BULK PLAGIOCLASE 5.5 13 134 A 1 30.00 31.40 BULK KAOLINITE 8.8 13 134 A 1 30.00 31.40 BULK MICA 29.7