leg site hole core section top of sample interval (cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 60 459 B 1 1 139 140 1.40 <2 MICRONS "variety of MONTMORILLONITE" 83.3 60 459 B 1 1 139 140 1.40 <2 MICRONS CHLORITE 5.8 60 459 B 1 1 139 140 1.40 <2 MICRONS KAOLINITE 10.8 60 459 B 1 2 070 071 2.20 <2 MICRONS "variety of MONTMORILLONITE" 49.0 60 459 B 1 2 070 071 2.20 <2 MICRONS ILLITE 24.5 60 459 B 1 2 070 071 2.20 <2 MICRONS CHLORITE 8.3 60 459 B 1 2 070 071 2.20 <2 MICRONS KAOLINITE 18.1 60 459 B 2 3 060 063 11.12 <2 MICRONS "variety of MONTMORILLONITE" 71.4 60 459 B 2 3 060 063 11.12 <2 MICRONS ILLITE 16.3 60 459 B 2 3 060 063 11.12 <2 MICRONS KAOLINITE 12.3 60 459 B 11 1 080 082 93.81 <2 MICRONS "variety of MONTMORILLONITE" 94.2 60 459 B 11 1 080 082 93.81 <2 MICRONS CHLORITE 0.7 60 459 B 11 1 080 082 93.81 <2 MICRONS KAOLINITE 5.1 60 459 B 13 1 032 034 112.83 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 15 2 127 129 133.77 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 21 1 070 072 196.21 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 24 2 084 086 218.85 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 25 1 026 028 226.27 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 26 1 061 063 236.12 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 27 4 029 031 249.79 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 27 4 053 055 250.04 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 27 5 004 006 251.04 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 29 2 022 024 265.72 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 31 1 060 062 283.60 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 32 1 097 099 293.47 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 44 2 004 007 408.06 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 50 2 009 011 465.09 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 51 1 065 067 473.66 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 54 4 015 016 506.15 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 54 4 030 031 506.30 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 56 2 101 103 523.01 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 56 4 144 146 526.44 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 57 1 026 028 530.26 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 58 2 040 042 541.41 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 59 1 065 067 549.65 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 59 1 130 132 550.30 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 60 1 015 016 558.65 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 459 B 60 1 074 075 559.24 <2 MICRONS "variety of MONTMORILLONITE" 100.