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 BULK 'diffuse scattering' measure 67.7 28 271 5 68.50 69.60 BULK 'amorphous material' measure 34.1 28 271 5 68.50 69.60 BULK QUARTZ 33.0 28 271 5 68.50 69.60 BULK K-FELDSPAR 18.1 28 271 5 68.50 69.60 BULK PLAGIOCLASE 22.5 28 271 5 68.50 69.60 BULK MICA 23.0 28 271 5 68.50 69.60 BULK CHLORITE 2.3 28 271 24 255.50 258.30 BULK 'diffuse scattering' measure 71.0 28 271 24 255.50 258.30 BULK 'amorphous material' measure 39.2 28 271 24 255.50 258.30 BULK QUARTZ 23.8 28 271 24 255.50 258.30 BULK K-FELDSPAR 10.5 28 271 24 255.50 258.30 BULK PLAGIOCLASE 21.8 28 271 24 255.50 258.30 BULK MICA 31.1 28 271 24 255.50 258.30 BULK CHLORITE 2.2