leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 27 261 3 47.50 50.80 CLAY 'diffuse scattering' measure 82.4 27 261 3 47.50 50.80 CLAY 'amorphous material' measure 72.6 27 261 3 47.50 50.80 CLAY QUARTZ 7.1 27 261 3 47.50 50.80 CLAY K-FELDSPAR 2.0 27 261 3 47.50 50.80 CLAY PLAGIOCLASE 1.0 27 261 3 47.50 50.80 CLAY KAOLINITE 36.5 27 261 3 47.50 50.80 CLAY MICA 27.5 27 261 6 171.00 174.80 CLAY 'diffuse scattering' measure 89.4 27 261 6 171.00 174.80 CLAY 'amorphous material' measure 83.4 27 261 6 171.00 174.80 CLAY QUARTZ 9.5 27 261 6 171.00 174.80 CLAY K-FELDSPAR 3.6 27 261 6 171.00 174.80 CLAY KAOLINITE 3.2 27 261 6 171.00 174.80 CLAY MICA 17.3 27 261 6 171.00 174.80 CLAY CHLORITE 1.3 27 261 6 171.00 174.80 CLAY MONTMORILLONITE 15.0 27 261 7 180.50 184.40 CLAY 'diffuse scattering' measure 87.8 27 261 7 180.50 184.40 CLAY 'amorphous material' measure 81.0 27 261 7 180.50 184.40 CLAY QUARTZ 14.7 27 261 7 180.50 184.40 CLAY K-FELDSPAR 16.4 27 261 7 180.50 184.40 CLAY PLAGIOCLASE 6.6 27 261 7 180.50 184.40 CLAY KAOLINITE 4.8 27 261 7 180.50 184.40 CLAY MICA 14.5 27 261 7 180.50 184.40 CLAY MONTMORILLONITE 20.0 27 261 8 190.00 193.90 CLAY 'diffuse scattering' measure 88.5 27 261 8 190.00 193.90 CLAY 'amorphous material' measure 82.0 27 261 8 190.00 193.90 CLAY QUARTZ 14.6 27 261 8 190.00 193.90 CLAY K-FELDSPAR 6.6 27 261 8 190.00 193.90 CLAY KAOLINITE 4.6 27 261 8 190.00 193.90 CLAY MICA 18.2 27 261 8 190.00 193.90 CLAY MONTMORILLONITE 24.2 27 261 9 199.50 203.40 CLAY 'diffuse scattering' measure 86.6 27 261 9 199.50 203.40 CLAY 'amorphous material' measure 79.1 27 261 9 199.50 203.40 CLAY QUARTZ 5.8 27 261 9 199.50 203.40 CLAY CRISTOBALITE 15.6 27 261 9 199.50 203.40 CLAY K-FELDSPAR 1.8 27 261 9 199.50 203.40 CLAY PLAGIOCLASE 4.9 27 261 9 199.50 203.40 CLAY MICA 11.6 27 261 9 199.50 203.40 CLAY MONTMORILLONITE 35.7 27 261 9 199.50 203.40 CLAY PALYGORSKITE 11.2 27 261 9 199.50 203.40 CLAY CLINOPTILOLITE 7.3 27 261 12 228.00 232.70 CLAY 'diffuse scattering' measure 89.0 27 261 12 228.00 232.70 CLAY 'amorphous material' measure 82.8 27 261 12 228.00 232.70 CLAY QUARTZ 4.5 27 261 12 228.00 232.70 CLAY CRISTOBALITE 44.0 27 261 12 228.00 232.70 CLAY K-FELDSPAR 2.4 27 261 12 228.00 232.70 CLAY PLAGIOCLASE 3.5 27 261 12 228.00 232.70 CLAY MICA 6.4 27 261 12 228.00 232.70 CLAY MONTMORILLONITE 33.0 27 261 12 228.00 232.70 CLAY TRIDYMITE 2.5 27 261 12 228.00 232.70 CLAY GYPSUM 1.0 27 261 19 304.00 307.30 CLAY 'diffuse scattering' measure 83.2 27 261 19 304.00 307.30 CLAY 'amorphous material' measure 73.8 27 261 19 304.00 307.30 CLAY QUARTZ 49.2 27 261 19 304.00 307.30 CLAY K-FELDSPAR 2.0 27 261 19 304.00 307.30 CLAY MICA 3.5 27 261 19 304.00 307.30 CLAY MONTMORILLONITE 31.0 27 261 19 304.00 307.30 CLAY PALYGORSKITE 7.2 27 261 20 313.50 315.30 CLAY 'diffuse scattering' measure 84.5 27 261 20 313.50 315.30 CLAY 'amorphous material' measure 75.9 27 261 20 313.50 315.30 CLAY QUARTZ 53.2 27 261 20 313.50 315.30 CLAY K-FELDSPAR 0.9 27 261 20 313.50 315.30 CLAY MICA 7.3 27 261 20 313.50 315.30 CLAY MONTMORILLONITE 32.0 27 261 20 313.50 315.30 CLAY GYPSUM 1.3 27 261 21 332.50 336.90 CLAY 'diffuse scattering' measure 77.8 27 261 21 332.50 336.90 CLAY 'amorphous material' measure 65.4 27 261 21 332.50 336.90 CLAY QUARTZ 77.2 27 261 21 332.50 336.90 CLAY MICA 3.6 27 261 21 332.50 342.10 CLAY 'diffuse scattering' measure 71.2 27 261 21 332.50 342.10 CLAY 'amorphous material' measure 55.0 27 261 21 332.50 342.10 CLAY QUARTZ 90.4 27 261 22 342.00 345.30 CLAY 'diffuse scattering' measure 74.6 27 261 22 342.00 345.30 CLAY 'amorphous material' measure 60.4 27 261 22 342.00 345.30 CLAY QUARTZ 81.3 27 261 22 342.00 345.30 CLAY MICA 4.7 27 261 23 361.00 364.30 CLAY 'diffuse scattering' measure 86.2 27 261 23 361.00 364.30 CLAY 'amorphous material' measure 78.4 27 261 23 361.00 364.30 CLAY QUARTZ 40.7 27 261 23 361.00 364.30 CLAY K-FELDSPAR 3.2 27 261 23 361.00 364.30 CLAY MICA 11.8 27 261 23 361.00 364.30 CLAY MONTMORILLONITE 19.9 27 261 23 361.00 364.30 CLAY PALYGORSKITE 20.6 27 261 23 361.00 364.30 CLAY BARITE 1.9 27 261 25 399.00 401.00 CLAY 'diffuse scattering' measure 67.7 27 261 25 399.00 401.00 CLAY 'amorphous material' measure 49.6 27 261 25 399.00 401.00 CLAY QUARTZ 91.3 27 261 25 399.00 401.00 CLAY MICA 1.7 27 261 26 418.00 418.30 CLAY 'diffuse scattering' measure 69.0 27 261 26 418.00 418.30 CLAY 'amorphous material' measure 51.6 27 261 26 418.00 418.30 CLAY QUARTZ 91.2 27 261 27 437.00 437.30 CLAY 'diffuse scattering' measure 67.8 27 261 27 437.00 437.30 CLAY 'amorphous material' measure 49.7 27 261 27 437.00 437.30 CLAY QUARTZ 83.8 27 261 27 437.00 437.30 CLAY MICA 2.5 27 261 27 437.00 437.30 CLAY MONTMORILLONITE 8.6 27 261 27 437.00 437.30 CLAY HEMATITE 4.0 27 261 28 446.50 448.90 CLAY 'diffuse scattering' measure 70.0 27 261 28 446.50 448.90 CLAY 'amorphous material' measure 53.1 27 261 28 446.50 448.90 CLAY QUARTZ 2.3 27 261 28 446.50 449.80 CLAY 'diffuse scattering' measure 63.5 27 261 28 446.50 449.80 CLAY 'amorphous material' measure 42.9 27 261 28 446.50 449.80 CLAY QUARTZ 89.1 27 261 28 446.50 449.80 CLAY MICA 1.8 27 261 29 465.50 468.90 CLAY 'diffuse scattering' measure 68.2 27 261 29 465.50 468.90 CLAY 'amorphous material' measure 50.3 27 261 29 465.50 468.90 CLAY QUARTZ 72.5 27 261 29 465.50 468.90 CLAY MICA 3.5 27 261 29 465.50 468.90 CLAY MONTMORILLONITE 22.8 27 261 30 484.50 487.80 CLAY 'diffuse scattering' measure 76.6 27 261 30 484.50 487.80 CLAY 'amorphous material' measure 63.5 27 261 30 484.50 487.80 CLAY QUARTZ 50.6 27 261 30 484.50 487.80 CLAY K-FELDSPAR 1.7 27 261 30 484.50 487.80 CLAY MICA 6.2 27 261 30 484.50 487.80 CLAY MONTMORILLONITE 36.7 27 261 31 503.50 506.80 CLAY 'diffuse scattering' measure 75.5 27 261 31 503.50 506.80 CLAY 'amorphous material' measure 61.7 27 261 31 503.50 506.80 CLAY QUARTZ 59.0 27 261 31 503.50 506.80 CLAY K-FELDSPAR 3.4 27 261 31 503.50 506.80 CLAY MICA 4.4 27 261 31 503.50 506.80 CLAY MONTMORILLONITE 30.3 27 261 31 503.50 508.50 CLAY 'diffuse scattering' measure 68.6 27 261 31 503.50 508.50 CLAY 'amorphous material' measure 51.0 27 261 31 503.50 508.50 CLAY QUARTZ 0.8 27 261 32 522.50 525.80 CLAY 'diffuse scattering' measure 83.1 27 261 32 522.50 525.80 CLAY 'amorphous material' measure 73.6 27 261 32 522.50 525.80 CLAY QUARTZ 29.5 27 261 32 522.50 525.80 CLAY K-FELDSPAR 5.0 27 261 32 522.50 525.80 CLAY MICA 19.5 27 261 32 522.50 525.80 CLAY MONTMORILLONITE 39.0 27 261 32 522.50 528.40 CLAY 'diffuse scattering' measure 83.7 27 261 32 522.50 528.40 CLAY 'amorphous material' measure 74.6 27 261 32 522.50 528.40 CLAY QUARTZ 31.0 27 261 32 522.50 528.40 CLAY K-FELDSPAR 13.2 27 261 32 522.50 528.40 CLAY MICA 8.9 27 261 32 522.50 528.40 CLAY MONTMORILLONITE 22.3