leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 26 257 1 0.00 6.90 CLAY 'diffuse scattering' measure 87.0 26 257 1 0.00 6.90 CLAY 'amorphous material' measure 79.8 26 257 1 0.00 6.90 CLAY QUARTZ 23.1 26 257 1 0.00 6.90 CLAY K-FELDSPAR 4.3 26 257 1 0.00 6.90 CLAY PLAGIOCLASE 9.9 26 257 1 0.00 6.90 CLAY MICA 11.4 26 257 1 0.00 6.90 CLAY MONTMORILLONITE 42.4 26 257 2 9.50 12.30 CLAY 'diffuse scattering' measure 86.1 26 257 2 9.50 12.30 CLAY 'amorphous material' measure 78.3 26 257 2 9.50 12.30 CLAY QUARTZ 6.9 26 257 2 9.50 12.30 CLAY K-FELDSPAR 1.7 26 257 2 9.50 12.30 CLAY PLAGIOCLASE 2.6 26 257 2 9.50 12.30 CLAY KAOLINITE 15.6 26 257 2 9.50 12.30 CLAY MICA 8.6 26 257 2 9.50 12.30 CLAY MONTMORILLONITE 44.1 26 257 2 9.50 12.30 CLAY CLINOPTILOLITE 1.0 26 257 3 47.50 51.70 CLAY 'diffuse scattering' measure 82.0 26 257 3 47.50 51.70 CLAY 'amorphous material' measure 71.9 26 257 3 47.50 51.70 CLAY QUARTZ 15.7 26 257 3 47.50 51.70 CLAY K-FELDSPAR 8.2 26 257 3 47.50 51.70 CLAY PLAGIOCLASE 3.4 26 257 3 47.50 51.70 CLAY KAOLINITE 12.3 26 257 3 47.50 51.70 CLAY MICA 10.2 26 257 3 47.50 51.70 CLAY MONTMORILLONITE 32.2 26 257 3 47.50 51.70 CLAY HALITE 18.0 26 257 4 85.50 90.20 CLAY 'diffuse scattering' measure 80.2 26 257 4 85.50 90.20 CLAY 'amorphous material' measure 69.1 26 257 4 85.50 90.20 CLAY QUARTZ 5.2 26 257 4 85.50 90.20 CLAY CRISTOBALITE 18.7 26 257 4 85.50 90.20 CLAY K-FELDSPAR 5.6 26 257 4 85.50 90.20 CLAY MICA 7.6 26 257 4 85.50 90.20 CLAY MONTMORILLONITE 36.9 26 257 4 85.50 90.20 CLAY CLINOPTILOLITE 11.2 26 257 5 123.50 125.90 CLAY 'diffuse scattering' measure 81.1 26 257 5 123.50 125.90 CLAY 'amorphous material' measure 70.5 26 257 5 123.50 125.90 CLAY QUARTZ 7.1 26 257 5 123.50 125.90 CLAY CRISTOBALITE 14.5 26 257 5 123.50 125.90 CLAY K-FELDSPAR 7.0 26 257 5 123.50 125.90 CLAY PLAGIOCLASE 1.3 26 257 5 123.50 125.90 CLAY KAOLINITE 4.1 26 257 5 123.50 125.90 CLAY MICA 10.0 26 257 5 123.50 125.90 CLAY MONTMORILLONITE 20.7 26 257 5 123.50 125.90 CLAY TRIDYMITE 2.0 26 257 6 161.50 162.80 CLAY 'diffuse scattering' measure 82.0 26 257 6 161.50 162.80 CLAY 'amorphous material' measure 71.8 26 257 6 161.50 162.80 CLAY QUARTZ 9.5 26 257 6 161.50 162.80 CLAY K-FELDSPAR 12.1 26 257 6 161.50 162.80 CLAY PLAGIOCLASE 2.6 26 257 6 161.50 162.80 CLAY KAOLINITE 5.5 26 257 6 161.50 162.80 CLAY MICA 4.3 26 257 6 161.50 162.80 CLAY MONTMORILLONITE 41.4 26 257 6 161.50 162.80 CLAY CLINOPTILOLITE 13.5 26 257 8 237.50 239.90 CLAY 'diffuse scattering' measure 84.7 26 257 8 237.50 239.90 CLAY 'amorphous material' measure 76.1 26 257 8 237.50 239.90 CLAY QUARTZ 11.6 26 257 8 237.50 239.90 CLAY K-FELDSPAR 10.3 26 257 8 237.50 239.90 CLAY KAOLINITE 7.0 26 257 8 237.50 239.90 CLAY MICA 6.4 26 257 8 237.50 239.90 CLAY MONTMORILLONITE 53.7 26 257 8 237.50 239.90 CLAY HALITE 10.9 26 257 9 247.00 249.50 CLAY 'diffuse scattering' measure 75.1 26 257 9 247.00 249.50 CLAY 'amorphous material' measure 61.1 26 257 9 247.00 249.50 CLAY QUARTZ 20.6 26 257 9 247.00 249.50 CLAY K-FELDSPAR 2.6 26 257 9 247.00 249.50 CLAY MICA 25.4 26 257 9 247.00 249.50 CLAY MONTMORILLONITE 35.1 26 257 9 247.00 249.50 CLAY HEMATITE 3.0 26 257 9 247.00 249.50 CLAY HALITE 13.3 26 257 10 256.50 257.40 CLAY 'diffuse scattering' measure 75.3 26 257 10 256.50 257.40 CLAY 'amorphous material' measure 61.3 26 257 10 256.50 257.40 CLAY QUARTZ 52.2 26 257 10 256.50 257.40 CLAY K-FELDSPAR 2.9 26 257 10 256.50 257.40 CLAY MICA 2.6 26 257 10 256.50 257.40 CLAY MONTMORILLONITE 31.7 26 257 10 256.50 257.40 CLAY HEMATITE 3.7