leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 28 271 5 68.50 69.60 SILT 'diffuse scattering' measure 61.9 28 271 5 68.50 69.60 SILT 'amorphous material' measure 24.3 28 271 5 68.50 69.60 SILT QUARTZ 38.5 28 271 5 68.50 69.60 SILT K-FELDSPAR 13.1 28 271 5 68.50 69.60 SILT PLAGIOCLASE 25.1 28 271 5 68.50 69.60 SILT MICA 19.1 28 271 5 68.50 69.60 SILT CHLORITE 2.6 28 271 5 68.50 69.60 SILT AMPHIBOLE 1.7 28 271 24 255.50 258.30 SILT 'diffuse scattering' measure 67.1 28 271 24 255.50 258.30 SILT 'amorphous material' measure 36.2 28 271 24 255.50 258.30 SILT QUARTZ 40.2 28 271 24 255.50 258.30 SILT K-FELDSPAR 10.0 28 271 24 255.50 258.30 SILT PLAGIOCLASE 28.9 28 271 24 255.50 258.30 SILT MICA 13.5 28 271 24 255.50 258.30 SILT CHLORITE 2.6 28 271 24 255.50 258.30 SILT PYRITE 1.7 28 271 24 255.50 258.30 SILT AMPHIBOLE 3.1