leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 28 267 3 89.50 94.80 SILT 'diffuse scattering' measure 69.8 28 267 3 89.50 94.80 SILT 'amorphous material' measure 39.5 28 267 3 89.50 94.80 SILT QUARTZ 42.4 28 267 3 89.50 94.80 SILT K-FELDSPAR 12.7 28 267 3 89.50 94.80 SILT PLAGIOCLASE 20.7 28 267 3 89.50 94.80 SILT MICA 20.7 28 267 3 89.50 94.80 SILT CHLORITE 1.8 28 267 3 89.50 94.80 SILT AMPHIBOLE 1.6 28 267 4 127.50 132.80 SILT 'diffuse scattering' measure 74.1 28 267 4 127.50 132.80 SILT 'amorphous material' measure 48.2 28 267 4 127.50 132.80 SILT QUARTZ 47.2 28 267 4 127.50 132.80 SILT K-FELDSPAR 9.7 28 267 4 127.50 132.80 SILT PLAGIOCLASE 17.2 28 267 4 127.50 132.80 SILT MICA 21.9 28 267 4 127.50 132.80 SILT CHLORITE 1.9 28 267 4 127.50 132.80 SILT AMPHIBOLE 2.0