leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 23 219 9 69.00 69.40 CLAY 'diffuse scattering' measure 81.7 23 219 9 69.00 69.40 CLAY 'amorphous material' measure 71.4 23 219 9 69.00 69.40 CLAY QUARTZ 13.3 23 219 9 69.00 69.40 CLAY K-FELDSPAR 2.2 23 219 9 69.00 69.40 CLAY PLAGIOCLASE 1.0 23 219 9 69.00 69.40 CLAY KAOLINITE 4.9 23 219 9 69.00 69.40 CLAY MICA 30.3 23 219 9 69.00 69.40 CLAY CHLORITE 9.7 23 219 9 69.00 69.40 CLAY MONTMORILLONITE 24.8 23 219 14 128.00 135.10 CLAY 'diffuse scattering' measure 94.0 23 219 14 128.00 135.10 CLAY 'amorphous material' measure 90.6 23 219 14 128.00 135.10 CLAY QUARTZ 12.2 23 219 14 128.00 135.10 CLAY K-FELDSPAR 8.1 23 219 14 128.00 135.10 CLAY KAOLINITE 5.3 23 219 14 128.00 135.10 CLAY MICA 14.1 23 219 14 128.00 135.10 CLAY CHLORITE 3.6 23 219 14 128.00 135.10 CLAY MONTMORILLONITE 17.7 23 219 14 128.00 135.10 CLAY PALYGORSKITE 36.8 23 219 18 183.00 183.40 CLAY 'diffuse scattering' measure 87.4 23 219 18 183.00 183.40 CLAY 'amorphous material' measure 80.3 23 219 18 183.00 183.40 CLAY QUARTZ 3.5 23 219 18 183.00 183.40 CLAY PLAGIOCLASE 1.9 23 219 18 183.00 183.40 CLAY KAOLINITE 8.6 23 219 18 183.00 183.40 CLAY MICA 3.4 23 219 18 183.00 183.40 CLAY MONTMORILLONITE 75.2 23 219 18 183.00 183.40 CLAY CLINOPTILOLITE 4.5