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 SILT 'diffuse scattering' measure 68.3 31 290 1 23.00 23.70 SILT 'amorphous material' measure 41.8 31 290 1 23.00 23.70 SILT QUARTZ 33.4 31 290 1 23.00 23.70 SILT K-FELDSPAR 3.8 31 290 1 23.00 23.70 SILT PLAGIOCLASE 22.6 31 290 1 23.00 23.70 SILT MICA 33.8 31 290 1 23.00 23.70 SILT CHLORITE 6.3 31 290 2 70.50 75.70 SILT 'diffuse scattering' measure 73.6 31 290 2 70.50 75.70 SILT 'amorphous material' measure 14.9 31 290 2 70.50 75.70 SILT QUARTZ 5.2 31 290 2 70.50 75.70 SILT PLAGIOCLASE 10.0 31 290 2 70.50 75.70 SILT MICA 2.5 31 290 2 70.50 75.70 SILT CHLORITE 0.6 31 290 2 70.50 75.70 SILT CLINOPTILOLITE 0.6 31 290 2 70.50 75.70 SILT PHILLIPSITE 81.1 31 290 5 137.00 140.80 SILT 'diffuse scattering' measure 82.1 31 290 5 137.00 140.80 SILT 'amorphous material' measure 58.2 31 290 5 137.00 140.80 SILT QUARTZ 4.2 31 290 5 137.00 140.80 SILT PLAGIOCLASE 39.7 31 290 5 137.00 140.80 SILT MONTMORILLONITE 43.1 31 290 5 137.00 140.80 SILT PHILLIPSITE 13.1 31 290 6 156.00 159.80 SILT 'diffuse scattering' measure 81.9 31 290 6 156.00 159.80 SILT 'amorphous material' measure 58.2 31 290 6 156.00 159.80 SILT QUARTZ 3.4 31 290 6 156.00 159.80 SILT PLAGIOCLASE 42.6 31 290 6 156.00 159.80 SILT MONTMORILLONITE 39.7 31 290 6 156.00 159.80 SILT PHILLIPSITE 13.0 31 290 6 156.00 159.80 SILT AUGITE 1.3 31 290 7 213.00 215.20 SILT 'diffuse scattering' measure 81.5 31 290 7 213.00 215.20 SILT 'amorphous material' measure 58.3 31 290 7 213.00 215.20 SILT QUARTZ 3.1 31 290 7 213.00 215.20 SILT PLAGIOCLASE 49.0 31 290 7 213.00 215.20 SILT MONTMORILLONITE 28.0 31 290 7 213.00 215.20 SILT PHILLIPSITE 16.7 31 290 7 213.00 215.20 SILT AUGITE 3.2