leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 19 185 1 0.00 1.40 BULK 'diffuse scattering' measure 86.7 19 185 1 0.00 1.40 BULK 'amorphous material' measure 79.3 19 185 1 0.00 1.40 BULK QUARTZ 12.4 19 185 1 0.00 1.40 BULK PLAGIOCLASE 47.4 19 185 1 0.00 1.40 BULK MICA 7.6 19 185 1 0.00 1.40 BULK CHLORITE 4.8 19 185 1 0.00 1.40 BULK MONTMORILLONITE 17.2 19 185 1 0.00 1.40 BULK PYRITE 1.3 19 185 25 691.00 693.20 BULK 'diffuse scattering' measure 81.7 19 185 25 691.00 693.20 BULK 'amorphous material' measure 71.3 19 185 25 691.00 693.20 BULK QUARTZ 19.6 19 185 25 691.00 693.20 BULK CRISTOBALITE 19.0 19 185 25 691.00 693.20 BULK PLAGIOCLASE 23.4 19 185 25 691.00 693.20 BULK MICA 11.0 19 185 25 691.00 693.20 BULK CHLORITE 4.1 19 185 25 691.00 693.20 BULK MONTMORILLONITE 9.7 19 185 25 691.00 693.20 BULK CLINOPTILOLITE 10.9 19 185 25 691.00 693.20 BULK PYRITE 0.9