leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 21 207 3 15.00 19.50 CLAY 'diffuse scattering' measure 89.5 21 207 3 15.00 19.50 CLAY 'amorphous material' measure 83.5 21 207 3 15.00 19.50 CLAY QUARTZ 24.7 21 207 3 15.00 19.50 CLAY PLAGIOCLASE 11.7 21 207 3 15.00 19.50 CLAY KAOLINITE 9.8 21 207 3 15.00 19.50 CLAY MICA 37.1 21 207 3 15.00 19.50 CLAY CHLORITE 6.0