leg site hole core section top of sample interval (cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 44 391 B 1 4 098 100 5.48 <2 MICRONS ILLITE 50.0 44 391 B 1 4 098 100 5.48 <2 MICRONS CHLORITE 20.0 44 391 B 1 4 098 100 5.48 <2 MICRONS MIXED LAYER CLAY 10.0 44 391 B 1 4 098 100 5.48 <2 MICRONS "variety of MONTMORILLONITE" 15.0 44 391 B 1 4 098 100 5.48 <2 MICRONS KAOLINITE 5.0