leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 26 254 2 5.50 7.90 CLAY 'diffuse scattering' measure 97.8 26 254 2 5.50 7.90 CLAY 'amorphous material' measure 96.6 26 254 2 5.50 7.90 CLAY QUARTZ 15.3 26 254 2 5.50 7.90 CLAY MICA 28.0 26 254 2 5.50 7.90 CLAY MONTMORILLONITE 35.9 26 254 2 5.50 7.90 CLAY GYPSUM 10.4 26 254 2 5.50 12.40 CLAY 'diffuse scattering' measure 97.7 26 254 2 5.50 12.40 CLAY 'amorphous material' measure 96.4 26 254 2 5.50 12.40 CLAY QUARTZ 3.4 26 254 2 5.50 12.40 CLAY MICA 4.1 26 254 2 5.50 12.40 CLAY MONTMORILLONITE 87.8 26 254 2 5.50 12.40 CLAY GYPSUM 1.2 26 254 4 24.50 26.90 CLAY 'diffuse scattering' measure 98.0 26 254 4 24.50 26.90 CLAY 'amorphous material' measure 96.9 26 254 4 24.50 26.90 CLAY QUARTZ 5.9 26 254 4 24.50 26.90 CLAY MICA 12.4 26 254 4 24.50 26.90 CLAY MONTMORILLONITE 77.2 26 254 4 24.50 26.90 CLAY GYPSUM 3.2 26 254 7 53.00 59.90 CLAY 'diffuse scattering' measure 98.9 26 254 7 53.00 59.90 CLAY 'amorphous material' measure 98.3 26 254 7 53.00 59.90 CLAY QUARTZ 34.9 26 254 7 53.00 59.90 CLAY MONTMORILLONITE 33.6 26 254 7 53.00 59.90 CLAY GYPSUM 7.0 26 254 10 81.50 87.60 CLAY 'diffuse scattering' measure 98.7 26 254 10 81.50 87.60 CLAY 'amorphous material' measure 98.0 26 254 10 81.50 87.60 CLAY QUARTZ 25.7 26 254 10 81.50 87.60 CLAY MICA 35.2 26 254 10 81.50 87.60 CLAY MONTMORILLONITE 28.6 26 254 10 81.50 87.60 CLAY GYPSUM 5.3 26 254 18 148.00 154.90 CLAY 'diffuse scattering' measure 95.0 26 254 18 148.00 154.90 CLAY 'amorphous material' measure 92.1 26 254 18 148.00 154.90 CLAY UNKNOWN -65. 26 254 18 148.00 154.90 CLAY UNKNOWN -25. 26 254 18 148.00 154.90 CLAY MICA 16.6 26 254 18 148.00 154.90 CLAY MONTMORILLONITE 47.5 26 254 18 148.00 154.90 CLAY PHILLIPSITE 17.1 26 254 18 148.00 154.90 CLAY GYPSUM 1.8 26 254 18 148.00 154.90 CLAY HALITE 11.3 26 254 20 167.00 169.00 CLAY 'diffuse scattering' measure 95.4 26 254 20 167.00 169.00 CLAY 'amorphous material' measure 92.8 26 254 20 167.00 169.00 CLAY MONTMORILLONITE 81.1 26 254 20 167.00 169.00 CLAY ANALCITE 3.7 26 254 20 167.00 169.00 CLAY GYPSUM 5.0 26 254 20 167.00 169.80 CLAY 'diffuse scattering' measure 91.8 26 254 20 167.00 169.80 CLAY 'amorphous material' measure 87.3 26 254 20 167.00 169.80 CLAY UNKNOWN -25. 26 254 20 167.00 169.80 CLAY UNKNOWN -25. 26 254 20 167.00 169.80 CLAY MONTMORILLONITE 56.7 26 254 20 167.00 169.80 CLAY HALITE 23.1 26 254 24 209.50 210.60 CLAY 'diffuse scattering' measure 86.7 26 254 24 209.50 210.60 CLAY 'amorphous material' measure 79.2 26 254 24 209.50 210.60 CLAY MONTMORILLONITE 85.7 26 254 24 209.50 210.60 CLAY PYRITE 1.6 26 254 24 209.50 210.60 CLAY HALITE 11.2 26 254 25 219.00 225.70 CLAY 'diffuse scattering' measure 85.1 26 254 25 219.00 225.70 CLAY 'amorphous material' measure 76.8 26 254 25 219.00 225.70 CLAY MONTMORILLONITE 87.5 26 254 25 219.00 225.70 CLAY PYRITE 5.2 26 254 27 238.00 242.20 CLAY 'diffuse scattering' measure 87.6 26 254 27 238.00 242.20 CLAY 'amorphous material' measure 80.6 26 254 27 238.00 242.20 CLAY UNKNOWN -25. 26 254 27 238.00 242.20 CLAY UNKNOWN -25. 26 254 27 238.00 242.20 CLAY KAOLINITE 5.4 26 254 27 238.00 242.20 CLAY MONTMORILLONITE 55.1 26 254 27 238.00 242.20 CLAY CLINOPTILOLITE 2.9 26 254 27 238.00 242.20 CLAY PHILLIPSITE 2.9 26 254 27 238.00 242.20 CLAY PYRITE 16.4 26 254 30 266.50 267.70 CLAY 'diffuse scattering' measure 82.0 26 254 30 266.50 267.70 CLAY 'amorphous material' measure 71.9 26 254 30 266.50 267.70 CLAY MONTMORILLONITE 62.2 26 254 30 266.50 267.70 CLAY HALITE 37.8 26 254 30 266.50 267.70 CLAY GOETHITE -25.