leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 29 281 A 3 36.00 38.70 CLAY 'diffuse scattering' measure 87.7 29 281 A 3 36.00 38.70 CLAY 'amorphous material' measure 71.3 29 281 A 3 36.00 38.70 CLAY QUARTZ 16.7 29 281 A 3 36.00 38.70 CLAY PLAGIOCLASE 3.8 29 281 A 3 36.00 38.70 CLAY KAOLINITE 22.8 29 281 A 3 36.00 38.70 CLAY MICA 13.3 29 281 A 3 36.00 38.70 CLAY MONTMORILLONITE 36.2 29 281 A 3 36.00 38.70 CLAY GYPSUM 1.1 29 281 A 3 36.00 38.70 CLAY BARITE 5.1