leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 18 179 2 3.50 5.30 SILT 'diffuse scattering' measure 66.1 18 179 2 3.50 5.30 SILT 'amorphous material' measure 47.0 18 179 2 3.50 5.30 SILT QUARTZ 35.0 18 179 2 3.50 5.30 SILT PLAGIOCLASE 34.1 18 179 2 3.50 5.30 SILT MICA 16.4 18 179 2 3.50 5.30 SILT CHLORITE 7.4 18 179 2 3.50 5.30 SILT AMPHIBOLE 7.1 18 179 2 3.50 5.30 SILT UNKNOWN -5.0 18 179 4 22.50 25.70 SILT 'diffuse scattering' measure 65.3 18 179 4 22.50 25.70 SILT 'amorphous material' measure 45.7 18 179 4 22.50 25.70 SILT QUARTZ 32.5 18 179 4 22.50 25.70 SILT PLAGIOCLASE 31.4 18 179 4 22.50 25.70 SILT MICA 20.2 18 179 4 22.50 25.70 SILT CHLORITE 8.6 18 179 4 22.50 25.70 SILT AMPHIBOLE 7.3 18 179 4 22.50 25.70 SILT UNKNOWN -5.0 18 179 8 60.50 65.60 SILT 'diffuse scattering' measure 68.9 18 179 8 60.50 65.60 SILT 'amorphous material' measure 51.4 18 179 8 60.50 65.60 SILT QUARTZ 30.6 18 179 8 60.50 65.60 SILT PLAGIOCLASE 28.9 18 179 8 60.50 65.60 SILT MICA 25.9 18 179 8 60.50 65.60 SILT CHLORITE 9.3 18 179 8 60.50 65.60 SILT AMPHIBOLE 5.3 18 179 8 60.50 65.60 SILT UNKNOWN -5.0 18 179 10 79.50 83.40 SILT 'diffuse scattering' measure 60.5 18 179 10 79.50 83.40 SILT 'amorphous material' measure 38.2 18 179 10 79.50 83.40 SILT QUARTZ 32.0 18 179 10 79.50 83.40 SILT PLAGIOCLASE 32.1 18 179 10 79.50 83.40 SILT MICA 19.4 18 179 10 79.50 83.40 SILT CHLORITE 11.4 18 179 10 79.50 83.40 SILT AMPHIBOLE 5.1 18 179 10 79.50 83.40 SILT UNKNOWN -5.0 18 179 11 89.00 92.50 SILT 'diffuse scattering' measure 75.8 18 179 11 89.00 92.50 SILT 'amorphous material' measure 62.2 18 179 11 89.00 92.50 SILT QUARTZ 3.9 18 179 11 89.00 92.50 SILT PLAGIOCLASE 69.9 18 179 11 89.00 92.50 SILT MICA 4.8 18 179 11 89.00 92.50 SILT CHLORITE 2.4 18 179 11 89.00 92.50 SILT MONTMORILLONITE 13.3 18 179 11 89.00 92.50 SILT MAGNETITE 5.6