leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 23 219 9 69.00 69.40 BULK 'diffuse scattering' measure 57.4 23 219 9 69.00 69.40 BULK 'amorphous material' measure 33.5 23 219 9 69.00 69.40 BULK CALCITE 90.3 23 219 9 69.00 69.40 BULK DOLOMITE 0.9 23 219 9 69.00 69.40 BULK QUARTZ 3.6 23 219 9 69.00 69.40 BULK PLAGIOCLASE 1.2 23 219 9 69.00 69.40 BULK MICA 3.2 23 219 14 128.00 135.10 BULK 'diffuse scattering' measure 50.1 23 219 14 128.00 135.10 BULK 'amorphous material' measure 22.1 23 219 14 128.00 135.10 BULK CALCITE 97.7 23 219 14 128.00 135.10 BULK QUARTZ 0.8 23 219 18 183.00 183.40 BULK 'diffuse scattering' measure 51.3 23 219 18 183.00 183.40 BULK 'amorphous material' measure 23.9