leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 18 174 A 4 56.50 64.90 CLAY 'diffuse scattering' measure 81.5 18 174 A 4 56.50 64.90 CLAY 'amorphous material' measure 71.1 18 174 A 4 56.50 64.90 CLAY QUARTZ 14.0 18 174 A 4 56.50 64.90 CLAY PLAGIOCLASE 9.4 18 174 A 4 56.50 64.90 CLAY MICA 39.0 18 174 A 4 56.50 64.90 CLAY CHLORITE 7.1 18 174 A 4 56.50 64.90 CLAY MONTMORILLONITE 27.9 18 174 A 4 56.50 64.90 CLAY GYPSUM 1.2 18 174 A 6 75.50 78.30 CLAY 'diffuse scattering' measure 77.3 18 174 A 6 75.50 78.30 CLAY 'amorphous material' measure 64.5 18 174 A 6 75.50 78.30 CLAY QUARTZ 14.0 18 174 A 6 75.50 78.30 CLAY PLAGIOCLASE 7.6 18 174 A 6 75.50 78.30 CLAY MICA 42.2 18 174 A 6 75.50 78.30 CLAY CHLORITE 13.7 18 174 A 8 94.50 100.80 CLAY 'diffuse scattering' measure 81.6 18 174 A 8 94.50 100.80 CLAY 'amorphous material' measure 71.2 18 174 A 8 94.50 100.80 CLAY QUARTZ 14.8 18 174 A 8 94.50 100.80 CLAY PLAGIOCLASE 12.7 18 174 A 8 94.50 100.80 CLAY MICA 34.7 18 174 A 8 94.50 100.80 CLAY CHLORITE 8.5 18 174 A 8 94.50 100.80 CLAY MONTMORILLONITE 27.4 18 174 A 11 123.00 131.80 CLAY 'diffuse scattering' measure 81.2 18 174 A 11 123.00 131.80 CLAY 'amorphous material' measure 70.7 18 174 A 11 123.00 131.80 CLAY QUARTZ 16.1 18 174 A 11 123.00 131.80 CLAY PLAGIOCLASE 9.6 18 174 A 11 123.00 131.80 CLAY MICA 33.4 18 174 A 11 123.00 131.80 CLAY CHLORITE 10.9 18 174 A 11 123.00 131.80 CLAY MONTMORILLONITE 27.6 18 174 A 13 142.00 146.70 CLAY 'diffuse scattering' measure 80.1 18 174 A 13 142.00 146.70 CLAY 'amorphous material' measure 69.0 18 174 A 13 142.00 146.70 CLAY QUARTZ 14.0 18 174 A 13 142.00 146.70 CLAY PLAGIOCLASE 13.2 18 174 A 13 142.00 146.70 CLAY MICA 38.7 18 174 A 13 142.00 146.70 CLAY CHLORITE 8.9 18 174 A 13 142.00 146.70 CLAY MONTMORILLONITE 23.6 18 174 A 16 170.50 177.00 CLAY 'diffuse scattering' measure 82.5 18 174 A 16 170.50 177.00 CLAY 'amorphous material' measure 72.6 18 174 A 16 170.50 177.00 CLAY QUARTZ 11.3 18 174 A 16 170.50 177.00 CLAY PLAGIOCLASE 7.9 18 174 A 16 170.50 177.00 CLAY MICA 33.4 18 174 A 16 170.50 177.00 CLAY CHLORITE 7.0 18 174 A 16 170.50 177.00 CLAY MONTMORILLONITE 38.3 18 174 A 17 180.00 184.40 CLAY 'diffuse scattering' measure 76.8 18 174 A 17 180.00 184.40 CLAY 'amorphous material' measure 63.8 18 174 A 17 180.00 184.40 CLAY QUARTZ 15.3 18 174 A 17 180.00 184.40 CLAY PLAGIOCLASE 14.8 18 174 A 17 180.00 184.40 CLAY MICA 43.4 18 174 A 17 180.00 184.40 CLAY CHLORITE 14.9 18 174 A 17 180.00 184.40 CLAY MONTMORILLONITE 10.1 18 174 A 21 218.00 220.70 CLAY 'diffuse scattering' measure 78.9 18 174 A 21 218.00 220.70 CLAY 'amorphous material' measure 67.1 18 174 A 21 218.00 220.70 CLAY QUARTZ 13.0 18 174 A 21 218.00 220.70 CLAY PLAGIOCLASE 11.6 18 174 A 21 218.00 220.70 CLAY MICA 37.9 18 174 A 21 218.00 220.70 CLAY CHLORITE 7.7 18 174 A 21 218.00 220.70 CLAY MONTMORILLONITE 27.6 18 174 A 23 237.00 242.10 CLAY 'diffuse scattering' measure 79.4 18 174 A 23 237.00 242.10 CLAY 'amorphous material' measure 67.8 18 174 A 23 237.00 242.10 CLAY QUARTZ 15.9 18 174 A 23 237.00 242.10 CLAY PLAGIOCLASE 8.5 18 174 A 23 237.00 242.10 CLAY MICA 46.5 18 174 A 23 237.00 242.10 CLAY CHLORITE 13.8 18 174 A 23 237.00 242.10 CLAY MONTMORILLONITE 14.2 18 174 A 27 275.00 277.80 CLAY 'diffuse scattering' measure 82.2 18 174 A 27 275.00 277.80 CLAY 'amorphous material' measure 72.1 18 174 A 27 275.00 277.80 CLAY QUARTZ 12.6 18 174 A 27 275.00 277.80 CLAY PLAGIOCLASE 9.0 18 174 A 27 275.00 277.80 CLAY MICA 36.1 18 174 A 27 275.00 277.80 CLAY CHLORITE 8.9 18 174 A 27 275.00 277.80 CLAY MONTMORILLONITE 31.4 18 174 A 29 294.00 296.30 CLAY 'diffuse scattering' measure 78.3 18 174 A 29 294.00 296.30 CLAY 'amorphous material' measure 66.1 18 174 A 29 294.00 296.30 CLAY QUARTZ 15.8 18 174 A 29 294.00 296.30 CLAY PLAGIOCLASE 10.5 18 174 A 29 294.00 296.30 CLAY MICA 59.7 18 174 A 29 294.00 296.30 CLAY CHLORITE 10.3 18 174 A 34 370.00 371.70 CLAY 'diffuse scattering' measure 78.6 18 174 A 34 370.00 371.70 CLAY 'amorphous material' measure 66.6 18 174 A 34 370.00 371.70 CLAY QUARTZ 12.0 18 174 A 34 370.00 371.70 CLAY PLAGIOCLASE 8.1 18 174 A 34 370.00 371.70 CLAY MICA 49.2 18 174 A 34 370.00 371.70 CLAY CHLORITE 9.4 18 174 A 34 370.00 371.70 CLAY MONTMORILLONITE 19.8 18 174 A 34 370.00 375.00 CLAY 'diffuse scattering' measure 82.6 18 174 A 34 370.00 375.00 CLAY 'amorphous material' measure 72.7 18 174 A 34 370.00 375.00 CLAY QUARTZ 17.7 18 174 A 34 370.00 375.00 CLAY PLAGIOCLASE 12.0 18 174 A 34 370.00 375.00 CLAY MICA 21.2 18 174 A 34 370.00 375.00 CLAY CHLORITE 9.8 18 174 A 37 503.00 503.60 CLAY 'diffuse scattering' measure 81.6 18 174 A 37 503.00 503.60 CLAY 'amorphous material' measure 71.3 18 174 A 37 503.00 503.60 CLAY QUARTZ 13.6 18 174 A 37 503.00 503.60 CLAY PLAGIOCLASE 8.6 18 174 A 37 503.00 503.60 CLAY MICA 29.2 18 174 A 37 503.00 503.60 CLAY CHLORITE 6.7 18 174 A 37 503.00 503.60 CLAY MONTMORILLONITE 40.4 18 174 A 37 503.00 505.50 CLAY 'diffuse scattering' measure 77.7 18 174 A 37 503.00 505.50 CLAY 'amorphous material' measure 65.1 18 174 A 37 503.00 505.50 CLAY QUARTZ 14.3 18 174 A 37 503.00 505.50 CLAY PLAGIOCLASE 8.3 18 174 A 37 503.00 505.50 CLAY MICA 52.5 18 174 A 37 503.00 505.50 CLAY CHLORITE 11.7 18 174 A 39 750.00 751.80 CLAY 'diffuse scattering' measure 80.8 18 174 A 39 750.00 751.80 CLAY 'amorphous material' measure 70.0 18 174 A 39 750.00 751.80 CLAY QUARTZ 14.9 18 174 A 39 750.00 751.80 CLAY PLAGIOCLASE 7.6 18 174 A 39 750.00 751.80 CLAY MICA 18.3 18 174 A 39 750.00 751.80 CLAY CHLORITE 5.5 18 174 A 39 750.00 751.80 CLAY MONTMORILLONITE 52.6 18 174 A 40 769.00 775.40 CLAY 'diffuse scattering' measure 78.2 18 174 A 40 769.00 775.40 CLAY 'amorphous material' measure 65.9 18 174 A 40 769.00 775.40 CLAY QUARTZ 9.9 18 174 A 40 769.00 775.40 CLAY PLAGIOCLASE 6.0 18 174 A 40 769.00 775.40 CLAY MICA 25.9 18 174 A 40 769.00 775.40 CLAY CHLORITE 8.0 18 174 A 40 769.00 775.40 CLAY MONTMORILLONITE 43.0