leg site hole core section top of sample interval (cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 66 489 A 3 1 090 097 46.90 <2 MICRONS "variety of MONTMORILLONITE" 31.0 66 489 A 3 1 090 097 46.90 <2 MICRONS ILLITE 47.0 66 489 A 3 1 090 097 46.90 <2 MICRONS CHLORITE 19.0 66 489 A 7 3 093 095 87.93 <2 MICRONS "variety of MONTMORILLONITE" 45.0 66 489 A 7 3 093 095 87.93 <2 MICRONS ILLITE 35.0 66 489 A 7 3 093 095 87.93 <2 MICRONS CHLORITE 19.0 66 489 A 12 1 050 052 132.02 <2 MICRONS "variety of MONTMORILLONITE" 28.0 66 489 A 12 1 050 052 132.02 <2 MICRONS ILLITE 62.0 66 489 A 12 1 050 052 132.02 <2 MICRONS CHLORITE 10.0 66 489 A 16 1 010 012 164.60 <2 MICRONS "variety of MONTMORILLONITE" 54.0 66 489 A 16 1 010 012 164.60 <2 MICRONS ILLITE 27.0 66 489 A 16 1 010 012 164.60 <2 MICRONS CHLORITE 10.0 66 489 A 16 1 010 012 164.60 <2 MICRONS KAOLINITE 9.0 66 489 A 21 4 000 002 202.50 <2 MICRONS "variety of MONTMORILLONITE" 53.0 66 489 A 21 4 000 002 202.50 <2 MICRONS ILLITE 33.0 66 489 A 21 4 000 002 202.50 <2 MICRONS CHLORITE 14.0 66 489 A 25 2 010 012 237.60 <2 MICRONS "variety of MONTMORILLONITE" 32.0 66 489 A 25 2 010 012 237.60 <2 MICRONS ILLITE 38.0 66 489 A 25 2 010 012 237.60 <2 MICRONS CHLORITE 30.0 66 489 A 31 CC 018 020 300.18 <2 MICRONS "variety of MONTMORILLONITE" 24.0 66 489 A 31 CC 018 020 300.18 <2 MICRONS ILLITE 51.0 66 489 A 31 CC 018 020 300.18 <2 MICRONS CHLORITE 25.0