leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 30 285 1 0.00 1.20 CLAY 'diffuse scattering' measure 89.1 30 285 1 0.00 1.20 CLAY 'amorphous material' measure 74.9 30 285 1 0.00 1.20 CLAY QUARTZ 9.5 30 285 1 0.00 1.20 CLAY PLAGIOCLASE 18.4 30 285 1 0.00 1.20 CLAY KAOLINITE 1.8 30 285 1 0.00 1.20 CLAY MICA 5.3 30 285 1 0.00 1.20 CLAY CHLORITE 1.2 30 285 1 0.00 1.20 CLAY MONTMORILLONITE 49.1 30 285 1 0.00 1.20 CLAY PHILLIPSITE 5.4 30 285 2 17.00 17.50 CLAY 'diffuse scattering' measure 87.7 30 285 2 17.00 17.50 CLAY 'amorphous material' measure 63.9 30 285 2 17.00 17.50 CLAY QUARTZ 5.0 30 285 2 17.00 17.50 CLAY PLAGIOCLASE 8.3 30 285 2 17.00 17.50 CLAY MICA 3.0 30 285 2 17.00 17.50 CLAY MONTMORILLONITE 37.9 30 285 2 17.00 17.50 CLAY PHILLIPSITE 44.7 30 285 2 17.00 20.50 CLAY 'diffuse scattering' measure 87.9 30 285 2 17.00 20.50 CLAY 'amorphous material' measure 64.6 30 285 2 17.00 20.50 CLAY QUARTZ 6.1 30 285 2 17.00 20.50 CLAY PLAGIOCLASE 9.5 30 285 2 17.00 20.50 CLAY MICA 2.5 30 285 2 17.00 20.50 CLAY MONTMORILLONITE 21.0 30 285 2 17.00 20.50 CLAY PHILLIPSITE 55.8 30 285 2 17.00 23.10 CLAY 'diffuse scattering' measure 92.0 30 285 2 17.00 23.10 CLAY 'amorphous material' measure 82.9 30 285 2 17.00 23.10 CLAY QUARTZ 13.3 30 285 2 17.00 23.10 CLAY PLAGIOCLASE 28.1 30 285 2 17.00 23.10 CLAY MICA 6.1 30 285 2 17.00 23.10 CLAY MONTMORILLONITE 41.4 30 285 3 36.00 38.40 CLAY 'diffuse scattering' measure 89.9 30 285 3 36.00 38.40 CLAY 'amorphous material' measure 77.5 30 285 3 36.00 38.40 CLAY QUARTZ 4.3 30 285 3 36.00 38.40 CLAY PLAGIOCLASE 28.9 30 285 3 36.00 38.40 CLAY MICA 3.4 30 285 3 36.00 38.40 CLAY MONTMORILLONITE 44.6 30 285 3 36.00 39.90 CLAY 'diffuse scattering' measure 90.4 30 285 3 36.00 39.90 CLAY 'amorphous material' measure 79.0 30 285 3 36.00 39.90 CLAY QUARTZ 6.4 30 285 3 36.00 39.90 CLAY PLAGIOCLASE 29.7 30 285 3 36.00 39.90 CLAY MONTMORILLONITE 45.3 30 285 4 55.00 56.00 CLAY 'diffuse scattering' measure 87.7 30 285 4 55.00 56.00 CLAY 'amorphous material' measure 72.3 30 285 4 55.00 56.00 CLAY QUARTZ 3.5 30 285 4 55.00 56.00 CLAY PLAGIOCLASE 31.1 30 285 4 55.00 56.00 CLAY MICA 2.1 30 285 4 55.00 56.00 CLAY MONTMORILLONITE 49.3 30 285 4 55.00 59.20 CLAY 'diffuse scattering' measure 89.5 30 285 4 55.00 59.20 CLAY 'amorphous material' measure 76.2 30 285 4 55.00 59.20 CLAY QUARTZ 3.3 30 285 4 55.00 59.20 CLAY PLAGIOCLASE 29.8 30 285 4 55.00 59.20 CLAY MONTMORILLONITE 52.5 30 285 4 55.00 59.20 CLAY ANALCITE 1.1 30 285 4 55.00 62.30 CLAY 'diffuse scattering' measure 89.6 30 285 4 55.00 62.30 CLAY 'amorphous material' measure 77.3 30 285 4 55.00 62.30 CLAY QUARTZ 8.6 30 285 4 55.00 62.30 CLAY PLAGIOCLASE 29.9 30 285 4 55.00 62.30 CLAY MONTMORILLONITE 48.1 30 285 4 55.00 62.30 CLAY ANALCITE 1.2 30 285 5 74.00 76.30 CLAY 'diffuse scattering' measure 88.2 30 285 5 74.00 76.30 CLAY 'amorphous material' measure 72.4 30 285 5 74.00 76.30 CLAY QUARTZ 4.8 30 285 5 74.00 76.30 CLAY PLAGIOCLASE 23.0 30 285 5 74.00 76.30 CLAY MONTMORILLONITE 61.8 30 285 5 74.00 79.30 CLAY 'diffuse scattering' measure 86.2 30 285 5 74.00 79.30 CLAY 'amorphous material' measure 68.4 30 285 5 74.00 79.30 CLAY QUARTZ 7.2 30 285 5 74.00 79.30 CLAY PLAGIOCLASE 24.1 30 285 5 74.00 79.30 CLAY MONTMORILLONITE 59.0