leg site hole core section top of sample interval (cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 89 585 28 4 030 <2 MICRONS "variety of MONTMORILLONITE" 100. 89 585 29 2 063 <2 MICRONS "variety of MONTMORILLONITE" 100. 89 585 30 1 050 <2 MICRONS "variety of MONTMORILLONITE" 100. 89 585 31 3 029 <2 MICRONS "variety of MONTMORILLONITE" 100. 89 585 34 2 085 <2 MICRONS ILLITE 5.0 89 585 34 2 085 <2 MICRONS "variety of MONTMORILLONITE" 75.0 89 585 34 2 085 <2 MICRONS PALYGORSKITE 20.0 89 585 35 1 001 <2 MICRONS "variety of MONTMORILLONITE" 90.0 89 585 35 1 001 <2 MICRONS KAOLINITE 5.0 89 585 35 1 001 <2 MICRONS PALYGORSKITE 5.0