leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 19 185 1 0.00 1.40 CLAY 'diffuse scattering' measure 76.8 19 185 1 0.00 1.40 CLAY 'amorphous material' measure 63.8 19 185 1 0.00 1.40 CLAY QUARTZ 8.3 19 185 1 0.00 1.40 CLAY PLAGIOCLASE 17.1 19 185 1 0.00 1.40 CLAY MICA 10.8 19 185 1 0.00 1.40 CLAY CHLORITE 8.0 19 185 1 0.00 1.40 CLAY MONTMORILLONITE 48.5 19 185 1 0.00 1.40 CLAY CLINOPTILOLITE 2.1 19 185 25 691.00 693.20 CLAY 'diffuse scattering' measure 85.8 19 185 25 691.00 693.20 CLAY 'amorphous material' measure 77.9 19 185 25 691.00 693.20 CLAY QUARTZ 7.7 19 185 25 691.00 693.20 CLAY CRISTOBALITE 48.9 19 185 25 691.00 693.20 CLAY PLAGIOCLASE 8.7 19 185 25 691.00 693.20 CLAY MICA 7.0 19 185 25 691.00 693.20 CLAY CHLORITE 4.2 19 185 25 691.00 693.20 CLAY MONTMORILLONITE 20.5 19 185 25 691.00 693.20 CLAY TRIDYMITE 1.1