leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 28 264 8 101.50 105.10 BULK 'diffuse scattering' measure 47.5 28 264 8 101.50 105.10 BULK CALCITE 97.6 28 264 8 101.50 105.10 BULK QUARTZ 0.3 28 264 8 101.50 105.10 BULK MONTMORILLONITE 1.6 28 264 10 158.50 161.10 BULK 'diffuse scattering' measure 48.7 28 264 10 158.50 161.10 BULK CALCITE 98.2 28 264 10 158.50 161.10 BULK QUARTZ 0.4 28 264 10 158.50 161.80 BULK 'diffuse scattering' measure 46.8 28 264 10 158.50 161.80 BULK CALCITE 98.5 28 264 10 158.50 161.80 BULK QUARTZ 0.4 28 264 10 158.50 162.90 BULK 'diffuse scattering' measure 54.3 28 264 10 158.50 162.90 BULK 'amorphous material' measure 2.3 28 264 10 158.50 162.90 BULK QUARTZ 3.6 28 264 10 158.50 162.90 BULK MICA 5.7 28 264 10 158.50 162.90 BULK PALYGORSKITE 6.1 28 264 10 158.50 162.90 BULK CLINOPTILOLITE 51.8 28 264 10 158.50 162.90 BULK APATITE 25.3 28 264 11 168.00 169.70 BULK 'diffuse scattering' measure 45.3 28 264 11 168.00 169.70 BULK CALCITE 98.0 28 264 11 168.00 169.70 BULK QUARTZ 0.2 28 264 11 168.00 169.70 BULK CLINOPTILOLITE 1.3