leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 31 290 1 23.00 23.70 CLAY 'diffuse scattering' measure 85.3 31 290 1 23.00 23.70 CLAY 'amorphous material' measure 69.3 31 290 1 23.00 23.70 CLAY QUARTZ 21.7 31 290 1 23.00 23.70 CLAY K-FELDSPAR 3.4 31 290 1 23.00 23.70 CLAY PLAGIOCLASE 13.6 31 290 1 23.00 23.70 CLAY KAOLINITE 5.1 31 290 1 23.00 23.70 CLAY MICA 28.5 31 290 1 23.00 23.70 CLAY CHLORITE 3.7 31 290 2 70.50 75.70 CLAY 'diffuse scattering' measure 91.5 31 290 2 70.50 75.70 CLAY 'amorphous material' measure 77.8 31 290 2 70.50 75.70 CLAY QUARTZ 8.9 31 290 2 70.50 75.70 CLAY PLAGIOCLASE 8.8 31 290 2 70.50 75.70 CLAY MICA 9.4 31 290 2 70.50 75.70 CLAY MONTMORILLONITE 56.5 31 290 2 70.50 75.70 CLAY PHILLIPSITE 16.4 31 290 5 137.00 140.80 CLAY 'diffuse scattering' measure 79.1 31 290 5 137.00 140.80 CLAY 'amorphous material' measure 42.1 31 290 5 137.00 140.80 CLAY QUARTZ 0.7 31 290 5 137.00 140.80 CLAY PLAGIOCLASE 5.5 31 290 5 137.00 140.80 CLAY MONTMORILLONITE 91.6 31 290 6 156.00 159.80 CLAY 'diffuse scattering' measure 81.1 31 290 6 156.00 159.80 CLAY 'amorphous material' measure 47.7 31 290 6 156.00 159.80 CLAY QUARTZ 0.5 31 290 6 156.00 159.80 CLAY PLAGIOCLASE 4.8 31 290 7 213.00 215.20 CLAY 'diffuse scattering' measure 83.0 31 290 7 213.00 215.20 CLAY 'amorphous material' measure 53.0 31 290 7 213.00 215.20 CLAY PLAGIOCLASE 8.0 31 290 7 213.00 215.20 CLAY MONTMORILLONITE 87.8