leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 31 298 A 1 50.50 51.90 CLAY 'diffuse scattering' measure 74.3 31 298 A 1 50.50 51.90 CLAY 'amorphous material' measure 49.4 31 298 A 1 50.50 51.90 CLAY QUARTZ 27.6 31 298 A 1 50.50 51.90 CLAY PLAGIOCLASE 13.4 31 298 A 1 50.50 51.90 CLAY MICA 39.5 31 298 A 1 50.50 51.90 CLAY CHLORITE 7.5