leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 26 257 1 0.00 6.90 BULK 'diffuse scattering' measure 88.4 26 257 1 0.00 6.90 BULK 'amorphous material' measure 81.9 26 257 1 0.00 6.90 BULK QUARTZ 21.2 26 257 1 0.00 6.90 BULK K-FELDSPAR 5.4 26 257 1 0.00 6.90 BULK PLAGIOCLASE 10.2 26 257 1 0.00 6.90 BULK KAOLINITE 5.8 26 257 1 0.00 6.90 BULK MICA 21.3 26 257 2 9.50 12.30 BULK 'diffuse scattering' measure 84.3 26 257 2 9.50 12.30 BULK 'amorphous material' measure 75.4 26 257 2 9.50 12.30 BULK QUARTZ 9.6 26 257 2 9.50 12.30 BULK K-FELDSPAR 4.1 26 257 2 9.50 12.30 BULK PLAGIOCLASE 1.8 26 257 2 9.50 12.30 BULK KAOLINITE 11.2 26 257 2 9.50 12.30 BULK MICA 21.5 26 257 2 9.50 12.30 BULK MONTMORILLONITE 43.6 26 257 3 47.50 51.70 BULK 'diffuse scattering' measure 83.2 26 257 3 47.50 51.70 BULK 'amorphous material' measure 73.8 26 257 3 47.50 51.70 BULK QUARTZ 8.1 26 257 3 47.50 51.70 BULK K-FELDSPAR 2.9 26 257 3 47.50 51.70 BULK KAOLINITE 12.0 26 257 3 47.50 51.70 BULK MICA 9.4 26 257 3 47.50 51.70 BULK MONTMORILLONITE 67.7 26 257 4 85.50 90.20 BULK 'diffuse scattering' measure 84.1 26 257 4 85.50 90.20 BULK 'amorphous material' measure 75.1 26 257 4 85.50 90.20 BULK QUARTZ 4.1 26 257 4 85.50 90.20 BULK CRISTOBALITE 5.9 26 257 4 85.50 90.20 BULK K-FELDSPAR 3.0 26 257 4 85.50 90.20 BULK PLAGIOCLASE 1.2 26 257 4 85.50 90.20 BULK MICA 18.3 26 257 4 85.50 90.20 BULK MONTMORILLONITE 40.2 26 257 4 85.50 90.20 BULK TRIDYMITE 1.3 26 257 5 123.50 125.90 BULK 'diffuse scattering' measure 87.1 26 257 5 123.50 125.90 BULK 'amorphous material' measure 79.9 26 257 5 123.50 125.90 BULK QUARTZ 4.8 26 257 5 123.50 125.90 BULK CRISTOBALITE 13.5 26 257 5 123.50 125.90 BULK K-FELDSPAR 5.8 26 257 5 123.50 125.90 BULK PLAGIOCLASE 2.0 26 257 5 123.50 125.90 BULK KAOLINITE 4.6 26 257 5 123.50 125.90 BULK MICA 18.4 26 257 5 123.50 125.90 BULK MONTMORILLONITE 24.2 26 257 5 123.50 125.90 BULK TRIDYMITE 2.3 26 257 6 161.50 162.80 BULK 'diffuse scattering' measure 84.5 26 257 6 161.50 162.80 BULK 'amorphous material' measure 75.7 26 257 6 161.50 162.80 BULK QUARTZ 9.3 26 257 6 161.50 162.80 BULK K-FELDSPAR 11.1 26 257 6 161.50 162.80 BULK PLAGIOCLASE 2.1 26 257 6 161.50 162.80 BULK MICA 19.1 26 257 6 161.50 162.80 BULK MONTMORILLONITE 39.2 26 257 7 199.50 201.90 BULK 'diffuse scattering' measure 81.3 26 257 7 199.50 201.90 BULK 'amorphous material' measure 70.7 26 257 7 199.50 201.90 BULK CALCITE 18.8 26 257 7 199.50 201.90 BULK QUARTZ 8.4 26 257 7 199.50 201.90 BULK K-FELDSPAR 10.0 26 257 7 199.50 201.90 BULK KAOLINITE 4.8 26 257 7 199.50 201.90 BULK MICA 8.2 26 257 8 237.50 239.90 BULK 'diffuse scattering' measure 81.4 26 257 8 237.50 239.90 BULK 'amorphous material' measure 70.9 26 257 8 237.50 239.90 BULK CALCITE 5.3 26 257 8 237.50 239.90 BULK QUARTZ 8.2 26 257 8 237.50 239.90 BULK K-FELDSPAR 9.1 26 257 8 237.50 239.90 BULK KAOLINITE 7.0 26 257 8 237.50 239.90 BULK MICA 5.8 26 257 9 247.00 249.50 BULK 'diffuse scattering' measure 78.2 26 257 9 247.00 249.50 BULK 'amorphous material' measure 66.0 26 257 9 247.00 249.50 BULK QUARTZ 22.5 26 257 9 247.00 249.50 BULK K-FELDSPAR 4.8 26 257 9 247.00 249.50 BULK PLAGIOCLASE 1.5 26 257 9 247.00 249.50 BULK MICA 3.0 26 257 9 247.00 249.50 BULK MONTMORILLONITE 64.8 26 257 10 256.50 257.40 BULK 'diffuse scattering' measure 76.9 26 257 10 256.50 257.40 BULK 'amorphous material' measure 63.9 26 257 10 256.50 257.40 BULK QUARTZ 34.5 26 257 10 256.50 257.40 BULK K-FELDSPAR 2.7 26 257 10 256.50 257.40 BULK MICA 8.2 26 257 10 256.50 257.40 BULK MONTMORILLONITE 49.8