leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 19 184 B 4 781.00 783.90 CLAY 'diffuse scattering' measure 80.3 19 184 B 4 781.00 783.90 CLAY 'amorphous material' measure 69.2 19 184 B 4 781.00 783.90 CLAY QUARTZ 6.9 19 184 B 4 781.00 783.90 CLAY CRISTOBALITE 73.3 19 184 B 4 781.00 783.90 CLAY PLAGIOCLASE 3.1 19 184 B 4 781.00 783.90 CLAY MICA 2.7 19 184 B 4 781.00 783.90 CLAY CHLORITE 0.9 19 184 B 4 781.00 783.90 CLAY MONTMORILLONITE 5.9 19 184 B 4 781.00 783.90 CLAY TRIDYMITE 4.4 19 184 B 7 874.00 877.00 CLAY 'diffuse scattering' measure 69.6 19 184 B 7 874.00 877.00 CLAY 'amorphous material' measure 52.4 19 184 B 7 874.00 877.00 CLAY QUARTZ 33.6 19 184 B 7 874.00 877.00 CLAY PLAGIOCLASE 4.7 19 184 B 7 874.00 877.00 CLAY MICA 3.9 19 184 B 7 874.00 877.00 CLAY MONTMORILLONITE 54.4 19 184 B 7 874.00 877.00 CLAY CLINOPTILOLITE 3.5 19 184 B 10 903.00 904.60 CLAY 'diffuse scattering' measure 73.4 19 184 B 10 903.00 904.60 CLAY 'amorphous material' measure 58.5 19 184 B 10 903.00 904.60 CLAY QUARTZ 3.2 19 184 B 10 903.00 904.60 CLAY PLAGIOCLASE 1.8 19 184 B 10 903.00 904.60 CLAY MONTMORILLONITE 93.4