leg site hole core section top of sample interval (cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 62 465 A 18 2 004 006 202.05 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 A 26 1 018 019 276.68 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 A 27 2 024 025 287.74 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 A 28 2 007 008 297.07 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 A 32 1 084 088 334.36 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 A 33 2 063 064 345.13 <2 MICRONS "variety of MONTMORILLONITE" 23.7 62 465 A 33 2 063 064 345.13 <2 MICRONS ILLITE 76.3 62 465 A 34 1 080 081 353.30 <2 MICRONS "variety of MONTMORILLONITE" 42.5 62 465 A 34 1 080 081 353.30 <2 MICRONS ILLITE 57.5 62 465 A 36 2 112 113 374.12 <2 MICRONS "variety of MONTMORILLONITE" 76.0 62 465 A 36 2 112 113 374.12 <2 MICRONS ILLITE 24.0 62 465 A 37 1 029 030 381.90 <2 MICRONS "variety of MONTMORILLONITE" 92.0 62 465 A 37 1 029 030 381.90 <2 MICRONS ILLITE 8.0 62 465 A 38 2 084 085 392.84 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 A 40 1 042 043 409.92 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 A 40 2 062 412.00 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 A 40 2 062 412.00 <1 MICRONS "variety of MONTMORILLONITE" 100.