leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 15 146 A 1 39.00 45.00 BULK 'diffuse scattering' measure 83.9 15 146 A 1 39.00 45.00 BULK 'amorphous material' measure 74.8 15 146 A 1 39.00 45.00 BULK CALCITE 47.8 15 146 A 1 39.00 45.00 BULK QUARTZ 15.4 15 146 A 1 39.00 45.00 BULK KAOLINITE 18.2 15 146 A 3 96.00 98.55 BULK 'diffuse scattering' measure 84.1 15 146 A 3 96.00 98.55 BULK 'amorphous material' measure 75.2 15 146 A 3 96.00 98.55 BULK CALCITE 36.8 15 146 A 3 96.00 98.55 BULK QUARTZ 24.9 15 146 A 3 96.00 98.55 BULK PLAGIOCLASE 4.7 15 146 A 3 96.00 98.55 BULK KAOLINITE 9.5 15 146 A 3 96.00 98.55 BULK MICA 19.6 15 146 A 3 96.00 98.55 BULK CHLORITE 2.6