leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 28 273 4 23.50 26.10 SILT 'diffuse scattering' measure 69.5 28 273 4 23.50 26.10 SILT 'amorphous material' measure 40.8 28 273 4 23.50 26.10 SILT QUARTZ 44.9 28 273 4 23.50 26.10 SILT K-FELDSPAR 10.8 28 273 4 23.50 26.10 SILT PLAGIOCLASE 25.9 28 273 4 23.50 26.10 SILT MICA 13.6 28 273 4 23.50 26.10 SILT CHLORITE 2.4 28 273 4 23.50 26.10 SILT PYRITE 0.9 28 273 4 23.50 26.10 SILT AMPHIBOLE 1.5 28 273 6 42.50 44.50 SILT 'diffuse scattering' measure 68.6 28 273 6 42.50 44.50 SILT 'amorphous material' measure 39.0 28 273 6 42.50 44.50 SILT QUARTZ 42.9 28 273 6 42.50 44.50 SILT K-FELDSPAR 12.6 28 273 6 42.50 44.50 SILT PLAGIOCLASE 24.3 28 273 6 42.50 44.50 SILT MICA 13.5 28 273 6 42.50 44.50 SILT CHLORITE 3.1 28 273 6 42.50 44.50 SILT PYRITE 2.2 28 273 6 42.50 44.50 SILT AMPHIBOLE 1.4