leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 28 271 5 68.50 69.60 CLAY 'diffuse scattering' measure 85.3 28 271 5 68.50 69.60 CLAY 'amorphous material' measure 76.9 28 271 5 68.50 69.60 CLAY QUARTZ 8.3 28 271 5 68.50 69.60 CLAY K-FELDSPAR 3.5 28 271 5 68.50 69.60 CLAY PLAGIOCLASE 7.5 28 271 5 68.50 69.60 CLAY MICA 25.8 28 271 24 255.50 258.30 CLAY 'diffuse scattering' measure 90.9 28 271 24 255.50 258.30 CLAY 'amorphous material' measure 80.9 28 271 24 255.50 258.30 CLAY QUARTZ 17.4 28 271 24 255.50 258.30 CLAY K-FELDSPAR 6.9 28 271 24 255.50 258.30 CLAY PLAGIOCLASE 20.5 28 271 24 255.50 258.30 CLAY MICA 27.7 28 271 24 255.50 258.30 CLAY CHLORITE 9.8