leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 32 303 A 5 247.80 250.50 BULK 'diffuse scattering' measure 89.3 32 303 A 5 247.80 250.50 BULK 'amorphous material' measure 77.1 32 303 A 5 247.80 250.50 BULK CALCITE 1.7 32 303 A 5 247.80 250.50 BULK QUARTZ 13.5 32 303 A 5 247.80 250.50 BULK K-FELDSPAR 4.8 32 303 A 5 247.80 250.50 BULK PLAGIOCLASE 6.3 32 303 A 5 247.80 250.50 BULK MICA 10.5 32 303 A 5 247.80 250.50 BULK MONTMORILLONITE 31.9 32 303 A 5 247.80 250.50 BULK CLINOPTILOLITE 26.9