leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 21 207 A 33 348.00 349.50 SILT 'diffuse scattering' measure 81.1 21 207 A 33 348.00 349.50 SILT 'amorphous material' measure 70.5 21 207 A 33 348.00 349.50 SILT QUARTZ 14.9 21 207 A 33 348.00 349.50 SILT CRISTOBALITE 60.5 21 207 A 33 348.00 349.50 SILT K-FELDSPAR 2.8 21 207 A 33 348.00 349.50 SILT PLAGIOCLASE 6.8 21 207 A 33 348.00 349.50 SILT MICA 3.0 21 207 A 33 348.00 349.50 SILT TRIDYMITE 7.4 21 207 A 33 348.00 349.50 SILT CLINOPTILOLITE 2.3 21 207 A 33 348.00 349.50 SILT PYRITE 2.3 21 207 A 33 348.00 351.10 SILT 'diffuse scattering' measure 81.2 21 207 A 33 348.00 351.10 SILT 'amorphous material' measure 70.6 21 207 A 33 348.00 351.10 SILT QUARTZ 21.6 21 207 A 33 348.00 351.10 SILT CRISTOBALITE 42.6 21 207 A 33 348.00 351.10 SILT K-FELDSPAR 5.1 21 207 A 33 348.00 351.10 SILT PLAGIOCLASE 10.6 21 207 A 33 348.00 351.10 SILT MICA 2.1 21 207 A 33 348.00 351.10 SILT TRIDYMITE 6.5 21 207 A 33 348.00 351.10 SILT CLINOPTILOLITE 6.0 21 207 A 33 348.00 351.10 SILT PYRITE 5.5 21 207 A 42 432.00 434.50 SILT 'diffuse scattering' measure 80.2 21 207 A 42 432.00 434.50 SILT 'amorphous material' measure 69.1 21 207 A 42 432.00 434.50 SILT QUARTZ 1.2 21 207 A 42 432.00 434.50 SILT CRISTOBALITE 23.9 21 207 A 42 432.00 434.50 SILT PLAGIOCLASE 21.8 21 207 A 42 432.00 434.50 SILT MONTMORILLONITE 51.3 21 207 A 42 432.00 434.50 SILT TRIDYMITE 1.9 21 207 A 46 468.00 471.70 SILT 'diffuse scattering' measure 88.2 21 207 A 46 468.00 471.70 SILT 'amorphous material' measure 81.6 21 207 A 46 468.00 471.70 SILT QUARTZ 3.1 21 207 A 46 468.00 471.70 SILT CRISTOBALITE 38.3 21 207 A 46 468.00 471.70 SILT PLAGIOCLASE 10.3 21 207 A 46 468.00 471.70 SILT MONTMORILLONITE 46.4 21 207 A 46 468.00 471.70 SILT TRIDYMITE 1.3 21 207 A 46 468.00 471.70 SILT CLINOPTILOLITE 0.6