leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 17 168 4 31.00 33.10 SILT 'diffuse scattering' measure 98.0 17 168 4 31.00 33.10 SILT 'amorphous material' measure 96.9 17 168 4 31.00 33.10 SILT QUARTZ 14.7 17 168 4 31.00 33.10 SILT PLAGIOCLASE 12.4 17 168 4 31.00 33.10 SILT MICA 12.0 17 168 4 31.00 33.10 SILT MONTMORILLONITE 13.4 17 168 4 31.00 33.10 SILT CLINOPTILOLITE 5.5 17 168 4 31.00 33.10 SILT PHILLIPSITE 42.0