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 CLAY 'diffuse scattering' measure 91.2 15 146 A 1 39.00 45.00 CLAY 'amorphous material' measure 86.3 15 146 A 1 39.00 45.00 CLAY QUARTZ 18.7 15 146 A 1 39.00 45.00 CLAY KAOLINITE 34.0 15 146 A 1 39.00 45.00 CLAY MICA 26.2 15 146 A 1 39.00 45.00 CLAY MONTMORILLONITE 17.3 15 146 A 3 96.00 98.55 CLAY 'diffuse scattering' measure 92.0 15 146 A 3 96.00 98.55 CLAY 'amorphous material' measure 87.5 15 146 A 3 96.00 98.55 CLAY QUARTZ 25.4 15 146 A 3 96.00 98.55 CLAY KAOLINITE 30.4 15 146 A 3 96.00 98.55 CLAY MICA 18.0 15 146 A 3 96.00 98.55 CLAY MONTMORILLONITE 14.9 15 146 A 3 96.00 98.55 CLAY GYPSUM 4.1