leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 10 87 1 648.00 649.73 BULK 'diffuse scattering' measure 68.9 10 87 1 648.00 649.73 BULK 'amorphous material' measure 32.9 10 87 1 648.00 649.73 BULK CALCITE 5.1 10 87 1 648.00 649.73 BULK DOLOMITE 1.8 10 87 1 648.00 649.73 BULK QUARTZ 18.2 10 87 1 648.00 649.73 BULK PLAGIOCLASE 25.6 10 87 1 648.00 649.73 BULK MICA 33.2 10 87 1 648.00 649.73 BULK CHLORITE 2.1 10 87 1 648.00 649.73 BULK MONTMORILLONITE 4.9 10 87 1 648.00 649.73 BULK CLINOPTILOLITE 2.4