leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 7 66 A 2 20.10 28.20 BULK QUARTZ 12.4 7 66 A 2 20.10 28.20 BULK PLAGIOCLASE 8.0 7 66 A 2 20.10 28.20 BULK KAOLINITE 5.4 7 66 A 2 20.10 28.20 BULK MICA 10.9 7 66 A 2 20.10 28.20 BULK MONTMORILLONITE 56.9 7 66 A 3 29.30 37.20 BULK QUARTZ 57.9 7 66 A 4 39.00 46.40 BULK QUARTZ 15.8 7 66 A 5 47.10 55.30 BULK QUARTZ 11.1 7 66 A 8 76.10 84.30 BULK QUARTZ 10.0