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 SILT 'diffuse scattering' measure 70.2 31 298 A 1 50.50 51.90 SILT 'amorphous material' measure 51.0 31 298 A 1 50.50 51.90 SILT QUARTZ 50.5 31 298 A 1 50.50 51.90 SILT PLAGIOCLASE 31.3 31 298 A 1 50.50 51.90 SILT MICA 13.9 31 298 A 1 50.50 51.90 SILT CHLORITE 4.3