leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 13 129 B C1 27.00 34.00 BULK 'diffuse scattering' measure 73.0 13 129 B C1 27.00 34.00 BULK 'amorphous material' measure 57.8 13 129 B C1 27.00 34.00 BULK CALCITE 56.0 13 129 B C1 27.00 34.00 BULK DOLOMITE 4.3 13 129 B C1 27.00 34.00 BULK QUARTZ 23.6 13 129 B C1 27.00 34.00 BULK PLAGIOCLASE 5.3 13 129 B C1 27.00 34.00 BULK KAOLINITE 3.0 13 129 B C1 27.00 34.00 BULK MICA 5.4