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 BULK 'diffuse scattering' measure 72.8 31 298 A 1 50.50 51.90 BULK 'amorphous material' measure 52.5 31 298 A 1 50.50 51.90 BULK QUARTZ 43.6 31 298 A 1 50.50 51.90 BULK PLAGIOCLASE 24.7 31 298 A 1 50.50 51.90 BULK MICA 22.3 31 298 A 1 50.50 51.90 BULK CHLORITE 4.8