5.7 Argill Siltstn + fine SS, 0.6 above base is bentonite of ai with 0.3 shale on top, then mudkgray ss greding to argill siltstf, base 1 0.6 is siltstone. another .1 bentonite in over shale stop first laterally 0.2 Bentonite. 7.0 Transition beds - Thinly interbedded to interlaminated bl. silty sh and dense fine grained siltstone. Greencross shale /6.