leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 31 293 2 88.50 91.30 SILT 'diffuse scattering' measure 75.5 31 293 2 88.50 91.30 SILT 'amorphous material' measure 54.9 31 293 2 88.50 91.30 SILT QUARTZ 23.6 31 293 2 88.50 91.30 SILT PLAGIOCLASE 42.7 31 293 2 88.50 91.30 SILT MICA 12.5 31 293 2 88.50 91.30 SILT CHLORITE 4.4 31 293 2 88.50 91.30 SILT MONTMORILLONITE 12.0 31 293 2 88.50 91.30 SILT CLINOPTILOLITE 2.1 31 293 2 88.50 91.30 SILT AMPHIBOLE 2.6 31 293 2 88.50 91.30 SILT UNKNOWN -5.0 31 293 4 145.50 147.80 SILT 'diffuse scattering' measure 71.5 31 293 4 145.50 147.80 SILT 'amorphous material' measure 47.4 31 293 4 145.50 147.80 SILT QUARTZ 23.8 31 293 4 145.50 147.80 SILT PLAGIOCLASE 42.3 31 293 4 145.50 147.80 SILT MICA 14.3 31 293 4 145.50 147.80 SILT CHLORITE 4.0 31 293 4 145.50 147.80 SILT MONTMORILLONITE 10.1 31 293 4 145.50 147.80 SILT CLINOPTILOLITE 1.5 31 293 4 145.50 147.80 SILT AMPHIBOLE 4.0 31 293 4 145.50 147.80 SILT UNKNOWN -5.0 31 293 5 155.00 160.80 SILT 'diffuse scattering' measure 76.7 31 293 5 155.00 160.80 SILT 'amorphous material' measure 57.5 31 293 5 155.00 160.80 SILT QUARTZ 21.9 31 293 5 155.00 160.80 SILT PLAGIOCLASE 44.2 31 293 5 155.00 160.80 SILT MICA 3.8 31 293 5 155.00 160.80 SILT CHLORITE 2.2 31 293 5 155.00 160.80 SILT MONTMORILLONITE 9.2 31 293 5 155.00 160.80 SILT CLINOPTILOLITE 2.8 31 293 5 155.00 160.80 SILT PYRITE 11.2 31 293 5 155.00 160.80 SILT AMPHIBOLE 4.6 31 293 5 155.00 160.80 SILT UNKNOWN -5.0 31 293 8 259.50 261.80 SILT 'amorphous material' measure -84. 31 293 8 259.50 261.80 SILT QUARTZ 22.6 31 293 8 259.50 261.80 SILT PLAGIOCLASE 44.2 31 293 8 259.50 261.80 SILT MICA 6.8 31 293 8 259.50 261.80 SILT CHLORITE 4.3 31 293 8 259.50 261.80 SILT MONTMORILLONITE 16.2 31 293 8 259.50 261.80 SILT CLINOPTILOLITE 3.2 31 293 8 259.50 261.80 SILT AMPHIBOLE 2.7 31 293 8 259.50 261.80 SILT UNKNOWN -5.0 31 293 9 269.00 277.50 SILT 'diffuse scattering' measure 76.7 31 293 9 269.00 277.50 SILT 'amorphous material' measure 56.3 31 293 9 269.00 277.50 SILT QUARTZ 23.1 31 293 9 269.00 277.50 SILT PLAGIOCLASE 42.6 31 293 9 269.00 277.50 SILT MICA 6.1 31 293 9 269.00 277.50 SILT CHLORITE 2.5 31 293 9 269.00 277.50 SILT MONTMORILLONITE 20.4 31 293 9 269.00 277.50 SILT CLINOPTILOLITE 3.8 31 293 9 269.00 277.50 SILT AMPHIBOLE 1.5 31 293 9 269.00 277.50 SILT UNKNOWN -5.0 31 293 9 269.00 277.60 SILT 'diffuse scattering' measure 76.4 31 293 9 269.00 277.60 SILT 'amorphous material' measure 56.1 31 293 9 269.00 277.60 SILT QUARTZ 24.6 31 293 9 269.00 277.60 SILT PLAGIOCLASE 41.1 31 293 9 269.00 277.60 SILT MICA 9.0 31 293 9 269.00 277.60 SILT CHLORITE 3.2 31 293 9 269.00 277.60 SILT MONTMORILLONITE 17.0 31 293 9 269.00 277.60 SILT CLINOPTILOLITE 4.0 31 293 9 269.00 277.60 SILT AMPHIBOLE 1.1 31 293 15 440.00 440.30 SILT 'diffuse scattering' measure 75.3 31 293 15 440.00 440.30 SILT 'amorphous material' measure 54.6 31 293 15 440.00 440.30 SILT QUARTZ 33.8 31 293 15 440.00 440.30 SILT PLAGIOCLASE 26.1 31 293 15 440.00 440.30 SILT MICA 29.1 31 293 15 440.00 440.30 SILT CHLORITE 5.4 31 293 15 440.00 440.30 SILT MONTMORILLONITE 5.6 31 293 15 440.00 441.00 SILT 'diffuse scattering' measure 79.9 31 293 15 440.00 441.00 SILT 'amorphous material' measure 40.1 31 293 15 440.00 441.00 SILT QUARTZ 7.6 31 293 15 440.00 441.00 SILT PLAGIOCLASE 11.5 31 293 15 440.00 441.00 SILT MICA 5.0 31 293 15 440.00 441.00 SILT MONTMORILLONITE 9.5 31 293 15 440.00 441.00 SILT CLINOPTILOLITE 1.0 31 293 15 440.00 441.00 SILT PHILLIPSITE 65.3 31 293 15 440.00 441.30 SILT 'diffuse scattering' measure 79.3 31 293 15 440.00 441.30 SILT 'amorphous material' measure 62.8 31 293 15 440.00 441.30 SILT QUARTZ 31.0 31 293 15 440.00 441.30 SILT PLAGIOCLASE 37.5 31 293 15 440.00 441.30 SILT MICA 16.6 31 293 15 440.00 441.30 SILT CHLORITE 5.1 31 293 15 440.00 441.30 SILT MONTMORILLONITE 8.7 31 293 15 440.00 441.30 SILT CLINOPTILOLITE 1.1 31 293 16 468.50 472.30 SILT 'diffuse scattering' measure 74.3 31 293 16 468.50 472.30 SILT 'amorphous material' measure 49.4 31 293 16 468.50 472.30 SILT QUARTZ 28.8 31 293 16 468.50 472.30 SILT PLAGIOCLASE 15.6 31 293 16 468.50 472.30 SILT MICA 35.4 31 293 16 468.50 472.30 SILT CHLORITE 5.6 31 293 16 468.50 472.30 SILT MONTMORILLONITE 14.6 31 293 17 497.00 499.30 SILT 'diffuse scattering' measure 79.8 31 293 17 497.00 499.30 SILT 'amorphous material' measure 52.4 31 293 17 497.00 499.30 SILT QUARTZ 8.4 31 293 17 497.00 499.30 SILT K-FELDSPAR 25.7 31 293 17 497.00 499.30 SILT PLAGIOCLASE 4.2 31 293 17 497.00 499.30 SILT MICA 1.7 31 293 17 497.00 499.30 SILT CHLORITE 2.4 31 293 17 497.00 499.30 SILT MONTMORILLONITE 57.5 31 293 18 516.00 516.60 SILT 'diffuse scattering' measure 89.9 31 293 18 516.00 516.60 SILT 'amorphous material' measure 81.9 31 293 18 516.00 516.60 SILT QUARTZ 31.6 31 293 18 516.00 516.60 SILT K-FELDSPAR 54.6 31 293 18 516.00 516.60 SILT PLAGIOCLASE 7.7 31 293 18 516.00 516.60 SILT CHLORITE 6.2 31 293 18 516.00 516.60 SILT GOETHITE -65.