AIN-51-24 (Tarzo) 0 Benton Gwerra: Defute contact, (see Kch #1 roll3) shots 2+3 show 2) channel brn dst, middle clays 3) IB. ss + shale of Def- shows bentonite in transition beds. 4) Join at contact. Section pieced in cuts from top transition gone down. Attitude on ss ledges above clay N27°W, 38° W overturn A Graneros shale, gray to dk gray plastic weathers light, some silty zones. Ag Contact. B. 2.0 Siltstone, argill., ledgy thin ptng gray silty clay in middle, weath Fe bru- black. C 0.1 Bentonite D 0.6 Thin bed siltstone as in A, with interbedded silty shale and thin bentonite at base. E. 6.1 Chiefly siltstone, argill., white weath, on bedding surfaces brown on joints and shale, the gray weathers light gray to dk bluish gray and yellow. Some silty Transition gone. F 0.1 Bentonite G. 1.7 Interbedded siltstone, argill gray weath, and thin layer bentonite in+ middle H. 0.4 Bentonite I 3.0 Siltstone as in G. with 1.0 solid ledge at top J. 0.8 Chiefly bentonitic shale weathers white, red 21