leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 9 82 A 1 19.90 25.90 CLAY QUARTZ 3.6 9 82 A 1 19.90 25.90 CLAY K-FELDSPAR 1.3 9 82 A 1 19.90 25.90 CLAY PLAGIOCLASE 2.0 9 82 A 1 19.90 25.90 CLAY MONTMORILLONITE 91.3 9 82 A 2 36.60 44.10 CLAY QUARTZ 4.6 9 82 A 2 36.60 44.10 CLAY K-FELDSPAR 3.5 9 82 A 2 36.60 44.10 CLAY PLAGIOCLASE 3.5 9 82 A 2 36.60 44.10 CLAY MONTMORILLONITE 83.3 9 82 A 3 101.80 107.80 CLAY QUARTZ 1.8 9 82 A 3 101.80 107.80 CLAY MONTMORILLONITE 97.0