leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 4 29 A 2 1 50.34 50.34 BULK QUARTZ 39.8 4 29 A 2 1 50.34 50.34 BULK PLAGIOCLASE 9.1 4 29 A 2 1 50.34 50.34 BULK KAOLINITE 12.7 4 29 A 2 1 50.34 50.34 BULK MICA 26.8 4 29 A 2 1 50.98 50.98 BULK QUARTZ 43.8 4 29 A 2 1 50.98 50.98 BULK PLAGIOCLASE 6.3 4 29 A 2 1 50.98 50.98 BULK KAOLINITE 19.6 4 29 A 2 1 50.98 50.98 BULK MICA 22.3 4 29 A 4 1 68.36 68.36 BULK CALCITE 71.7 4 29 A 4 1 68.36 68.36 BULK QUARTZ 16.2 4 29 A 4 1 68.36 68.36 BULK PLAGIOCLASE 3.0 4 29 A 4 1 68.36 68.36 BULK KAOLINITE 4.2 4 29 A 5 1 77.50 77.50 BULK QUARTZ 63.4 4 29 A 5 1 77.50 77.50 BULK PLAGIOCLASE 13.4