leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 9 76 A 1 9.60 12.10 CLAY QUARTZ 3.3 9 76 A 1 9.60 12.10 CLAY MONTMORILLONITE 48.8 9 76 A 1 9.60 12.10 CLAY PHILLIPSITE 35.4 9 76 A 1 9.60 12.10 CLAY APATITE 12.5 9 76 A 2 18.80 21.30 CLAY QUARTZ 4.2 9 76 A 2 18.80 21.30 CLAY MONTMORILLONITE 34.1 9 76 A 2 18.80 21.30 CLAY PHILLIPSITE 46.2 9 76 A 2 18.80 21.30 CLAY APATITE 15.5 9 76 A 2 21.90 27.00 CLAY QUARTZ 4.3 9 76 A 2 21.90 27.00 CLAY KAOLINITE 2.6 9 76 A 2 21.90 27.00 CLAY MICA 26.8 9 76 A 2 21.90 27.00 CLAY MONTMORILLONITE 17.5 9 76 A 2 21.90 27.00 CLAY PHILLIPSITE 40.6 9 76 A 2 26.70 26.70 CLAY QUARTZ 3.2 9 76 A 2 26.70 26.70 CLAY KAOLINITE 2.4 9 76 A 2 26.70 26.70 CLAY MONTMORILLONITE 64.6 9 76 A 2 26.70 26.70 CLAY PHILLIPSITE 20.6 9 76 A 2 26.70 26.70 CLAY APATITE 9.3