leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 25 240 A 1 168.00 168.50 CLAY 'diffuse scattering' measure 85.4 25 240 A 1 168.00 168.50 CLAY 'amorphous material' measure 77.2 25 240 A 1 168.00 168.50 CLAY QUARTZ 3.6 25 240 A 1 168.00 168.50 CLAY KAOLINITE 10.4 25 240 A 1 168.00 168.50 CLAY MICA 6.2 25 240 A 1 168.00 168.50 CLAY MONTMORILLONITE 68.0