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 CLAY 'diffuse scattering' measure 87.9 21 207 A 33 348.00 349.50 CLAY 'amorphous material' measure 81.1 21 207 A 33 348.00 349.50 CLAY QUARTZ 0.7 21 207 A 33 348.00 349.50 CLAY CRISTOBALITE 79.0 21 207 A 33 348.00 349.50 CLAY PLAGIOCLASE 0.7 21 207 A 33 348.00 349.50 CLAY MONTMORILLONITE 10.0 21 207 A 33 348.00 349.50 CLAY TRIDYMITE 7.6 21 207 A 33 348.00 351.10 CLAY 'diffuse scattering' measure 88.9 21 207 A 33 348.00 351.10 CLAY 'amorphous material' measure 82.6 21 207 A 33 348.00 351.10 CLAY QUARTZ 0.9 21 207 A 33 348.00 351.10 CLAY CRISTOBALITE 79.1 21 207 A 33 348.00 351.10 CLAY K-FELDSPAR 1.0 21 207 A 33 348.00 351.10 CLAY PLAGIOCLASE 0.7 21 207 A 33 348.00 351.10 CLAY MONTMORILLONITE 5.0 21 207 A 33 348.00 351.10 CLAY TRIDYMITE 11.3 21 207 A 33 348.00 351.10 CLAY CLINOPTILOLITE 0.5 21 207 A 42 432.00 434.50 CLAY 'diffuse scattering' measure 74.8 21 207 A 42 432.00 434.50 CLAY 'amorphous material' measure 60.7 21 207 A 42 432.00 434.50 CLAY CRISTOBALITE 6.4 21 207 A 46 468.00 471.70 CLAY 'diffuse scattering' measure 69.3 21 207 A 46 468.00 471.70 CLAY 'amorphous material' measure 52.1 21 207 A 46 468.00 471.70 CLAY CRISTOBALITE 4.2