leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 18 176 1 0.00 4.10 CLAY 'diffuse scattering' measure 79.8 18 176 1 0.00 4.10 CLAY 'amorphous material' measure 68.4 18 176 1 0.00 4.10 CLAY QUARTZ 14.2 18 176 1 0.00 4.10 CLAY PLAGIOCLASE 6.8 18 176 1 0.00 4.10 CLAY MICA 54.9 18 176 1 0.00 4.10 CLAY CHLORITE 9.4 18 176 1 0.00 4.10 CLAY MONTMORILLONITE 13.3 18 176 2 6.00 8.60 CLAY 'diffuse scattering' measure 78.0 18 176 2 6.00 8.60 CLAY 'amorphous material' measure 65.6 18 176 2 6.00 8.60 CLAY QUARTZ 16.4 18 176 2 6.00 8.60 CLAY PLAGIOCLASE 8.8 18 176 2 6.00 8.60 CLAY MICA 53.8 18 176 2 6.00 8.60 CLAY CHLORITE 11.3 18 176 2 6.00 8.60 CLAY MONTMORILLONITE 8.3 18 176 2 6.00 11.60 CLAY 'diffuse scattering' measure 83.0 18 176 2 6.00 11.60 CLAY 'amorphous material' measure 73.5 18 176 2 6.00 11.60 CLAY QUARTZ 17.7 18 176 2 6.00 11.60 CLAY PLAGIOCLASE 10.1 18 176 2 6.00 11.60 CLAY MICA 35.0 18 176 2 6.00 11.60 CLAY CHLORITE 8.8 18 176 2 6.00 11.60 CLAY MONTMORILLONITE 25.1 18 176 2 6.00 11.60 CLAY PYRITE 1.3 18 176 3 15.00 22.10 CLAY 'diffuse scattering' measure 84.6 18 176 3 15.00 22.10 CLAY 'amorphous material' measure 75.9 18 176 3 15.00 22.10 CLAY QUARTZ 17.4 18 176 3 15.00 22.10 CLAY PLAGIOCLASE 9.4 18 176 3 15.00 22.10 CLAY MICA 26.0 18 176 3 15.00 22.10 CLAY CHLORITE 8.3 18 176 3 15.00 22.10 CLAY MONTMORILLONITE 37.0 18 176 4 24.00 28.10 CLAY 'diffuse scattering' measure 82.5 18 176 4 24.00 28.10 CLAY 'amorphous material' measure 72.6 18 176 4 24.00 28.10 CLAY QUARTZ 14.5 18 176 4 24.00 28.10 CLAY PLAGIOCLASE 10.0 18 176 4 24.00 28.10 CLAY MICA 35.8 18 176 4 24.00 28.10 CLAY CHLORITE 11.0 18 176 4 24.00 28.10 CLAY MONTMORILLONITE 27.0 18 176 4 24.00 31.10 CLAY 'diffuse scattering' measure 79.0 18 176 4 24.00 31.10 CLAY 'amorphous material' measure 67.2 18 176 4 24.00 31.10 CLAY QUARTZ 15.0 18 176 4 24.00 31.10 CLAY PLAGIOCLASE 11.8 18 176 4 24.00 31.10 CLAY MICA 38.0 18 176 4 24.00 31.10 CLAY CHLORITE 14.8