leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 24 238 38 348.00 355.00 CLAY 'diffuse scattering' measure 93.8 24 238 38 348.00 355.00 CLAY 'amorphous material' measure 90.4 24 238 38 348.00 355.00 CLAY QUARTZ 3.7 24 238 38 348.00 355.00 CLAY MONTMORILLONITE 22.1 24 238 38 348.00 355.00 CLAY GYPSUM 39.9 24 238 49 452.50 455.00 CLAY 'diffuse scattering' measure 86.9 24 238 49 452.50 455.00 CLAY 'amorphous material' measure 79.5 24 238 49 452.50 455.00 CLAY QUARTZ 1.7 24 238 49 452.50 455.00 CLAY K-FELDSPAR 8.5 24 238 49 452.50 455.00 CLAY PLAGIOCLASE 4.7 24 238 49 452.50 455.00 CLAY MICA 2.2 24 238 49 452.50 455.00 CLAY MONTMORILLONITE 64.6 24 238 49 452.50 455.00 CLAY CLINOPTILOLITE 1.6 24 238 51 471.50 473.10 CLAY 'diffuse scattering' measure 97.8 24 238 51 471.50 473.10 CLAY 'amorphous material' measure 96.6 24 238 51 471.50 473.10 CLAY QUARTZ 4.4 24 238 51 471.50 473.10 CLAY K-FELDSPAR 14.6 24 238 51 471.50 473.10 CLAY PLAGIOCLASE 7.2 24 238 51 471.50 473.10 CLAY MONTMORILLONITE 46.9 24 238 51 471.50 476.70 CLAY 'diffuse scattering' measure 71.3 24 238 51 471.50 476.70 CLAY 'amorphous material' measure 55.1 24 238 51 471.50 476.70 CLAY MONTMORILLONITE 83.7 24 238 51 471.50 476.70 CLAY PHILLIPSITE 15.2 24 238 52 481.00 481.60 CLAY 'diffuse scattering' measure 90.2 24 238 52 481.00 481.60 CLAY 'amorphous material' measure 84.7 24 238 52 481.00 481.60 CLAY QUARTZ 0.8 24 238 52 481.00 481.60 CLAY K-FELDSPAR 13.9 24 238 52 481.00 481.60 CLAY MONTMORILLONITE 71.0 24 238 52 481.00 484.00 CLAY 'diffuse scattering' measure 83.8 24 238 52 481.00 484.00 CLAY 'amorphous material' measure 74.7 24 238 52 481.00 484.00 CLAY K-FELDSPAR 3.3 24 238 52 481.00 484.00 CLAY PLAGIOCLASE 4.3 24 238 52 481.00 484.00 CLAY MONTMORILLONITE 83.9 24 238 52 481.00 484.10 CLAY 'diffuse scattering' measure 88.1 24 238 52 481.00 484.10 CLAY 'amorphous material' measure 81.4 24 238 52 481.00 484.10 CLAY K-FELDSPAR 7.2 24 238 52 481.00 484.10 CLAY MONTMORILLONITE 92.8 24 238 53 490.50 492.10 CLAY 'diffuse scattering' measure 84.6 24 238 53 490.50 492.10 CLAY 'amorphous material' measure 75.9 24 238 53 490.50 492.10 CLAY MONTMORILLONITE 95.3 24 238 53 490.50 494.80 CLAY 'diffuse scattering' measure 97.4 24 238 53 490.50 494.80 CLAY 'amorphous material' measure 95.9 24 238 53 490.50 494.80 CLAY MONTMORILLONITE 41.5 24 238 53 490.50 495.70 CLAY 'diffuse scattering' measure 87.8 24 238 53 490.50 495.70 CLAY 'amorphous material' measure 81.0 24 238 53 490.50 495.70 CLAY PLAGIOCLASE 7.5 24 238 53 490.50 495.70 CLAY MONTMORILLONITE 74.0 24 238 53 490.50 495.70 CLAY PHILLIPSITE 10.1 24 238 53 490.50 495.70 CLAY GYPSUM 6.9 24 238 54 500.00 500.20 CLAY 'diffuse scattering' measure 90.1 24 238 54 500.00 500.20 CLAY 'amorphous material' measure 84.6 24 238 54 500.00 500.20 CLAY QUARTZ 2.1 24 238 54 500.00 500.20 CLAY MONTMORILLONITE 62.4 24 238 54 500.00 500.20 CLAY PHILLIPSITE 13.4 24 238 54 500.00 500.20 CLAY GYPSUM 14.0