leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 19 192 A 5 1043.00 1043.30 BULK 'diffuse scattering' measure 76.8 19 192 A 5 1043.00 1043.30 BULK 'amorphous material' measure 63.8 19 192 A 5 1043.00 1043.30 BULK CALCITE 82.1 19 192 A 5 1043.00 1043.30 BULK QUARTZ 2.3 19 192 A 5 1043.00 1043.30 BULK PLAGIOCLASE 3.2 19 192 A 5 1043.00 1043.30 BULK MICA 3.0 19 192 A 5 1043.00 1043.70 BULK 'diffuse scattering' measure 71.4 19 192 A 5 1043.00 1043.70 BULK 'amorphous material' measure 55.3 19 192 A 5 1043.00 1043.70 BULK CALCITE 88.1 19 192 A 5 1043.00 1043.70 BULK QUARTZ 10.1 19 192 A 5 1043.00 1044.20 BULK 'diffuse scattering' measure 75.3 19 192 A 5 1043.00 1044.20 BULK 'amorphous material' measure 61.4 19 192 A 5 1043.00 1044.20 BULK QUARTZ 1.3 19 192 A 5 1043.00 1044.20 BULK PLAGIOCLASE 34.8 19 192 A 5 1043.00 1044.20 BULK MONTMORILLONITE 21.2