leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 30 288 A 16 761.00 762.00 SILT 'diffuse scattering' measure 66.0 30 288 A 16 761.00 762.00 SILT 'amorphous material' measure 33.2 30 288 A 16 761.00 762.00 SILT QUARTZ 3.7 30 288 A 16 761.00 762.00 SILT PLAGIOCLASE 18.9 30 288 A 16 761.00 762.00 SILT MICA 4.0 30 288 A 16 761.00 762.00 SILT MONTMORILLONITE 4.7 30 288 A 16 761.00 762.00 SILT CLINOPTILOLITE 53.1 30 288 A 16 761.00 762.00 SILT BARITE 15.6 30 288 A 16 761.00 762.00 SILT 'diffuse scattering' measure 63.5 30 288 A 16 761.00 762.00 SILT 'amorphous material' measure 30.5 30 288 A 16 761.00 762.00 SILT QUARTZ 7.9 30 288 A 16 761.00 762.00 SILT PLAGIOCLASE 22.1 30 288 A 16 761.00 762.00 SILT CLINOPTILOLITE 70.0 30 288 A 16 761.00 762.40 SILT 'diffuse scattering' measure 67.2 30 288 A 16 761.00 762.40 SILT 'amorphous material' measure 35.6 30 288 A 16 761.00 762.40 SILT QUARTZ 6.1 30 288 A 16 761.00 762.40 SILT PLAGIOCLASE 17.8 30 288 A 16 761.00 762.40 SILT MICA 3.3 30 288 A 16 761.00 762.40 SILT MONTMORILLONITE 8.5 30 288 A 16 761.00 762.40 SILT CLINOPTILOLITE 46.5 30 288 A 16 761.00 762.40 SILT BARITE 17.9 30 288 A 20 846.50 850.80 SILT 'diffuse scattering' measure 59.1 30 288 A 20 846.50 850.80 SILT 'amorphous material' measure 28.3 30 288 A 20 846.50 850.80 SILT QUARTZ 71.6 30 288 A 20 846.50 850.80 SILT CRISTOBALITE 15.1 30 288 A 20 846.50 850.80 SILT TRIDYMITE 3.4 30 288 A 20 846.50 850.80 SILT CLINOPTILOLITE 0.9 30 288 A 20 846.50 850.80 SILT BARITE 9.0 30 288 A 21 856.00 858.10 SILT 'diffuse scattering' measure 64.1 30 288 A 21 856.00 858.10 SILT 'amorphous material' measure 28.6 30 288 A 21 856.00 858.10 SILT QUARTZ 0.6 30 288 A 21 856.00 858.10 SILT PLAGIOCLASE 27.4 30 288 A 21 856.00 858.10 SILT MICA 1.4 30 288 A 21 856.00 858.10 SILT MONTMORILLONITE 14.3 30 288 A 21 856.00 858.10 SILT CLINOPTILOLITE 22.1 30 288 A 21 856.00 858.10 SILT BARITE 34.0 30 288 A 23 875.00 876.70 SILT 'diffuse scattering' measure 56.5 30 288 A 23 875.00 876.70 SILT 'amorphous material' measure 2.4 30 288 A 23 875.00 876.70 SILT QUARTZ 51.8 30 288 A 23 875.00 876.70 SILT CRISTOBALITE 29.4 30 288 A 23 875.00 876.70 SILT TRIDYMITE 9.9 30 288 A 23 875.00 876.70 SILT BARITE 8.9