leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 9 77 A 1 0.10 8.20 CLAY QUARTZ 11.2 9 77 A 1 0.10 8.20 CLAY K-FELDSPAR 11.7 9 77 A 1 0.10 8.20 CLAY PLAGIOCLASE 10.7 9 77 A 1 0.10 8.20 CLAY KAOLINITE 17.0 9 77 A 1 0.10 8.20 CLAY MONTMORILLONITE 31.6