40 slate thickness with lowest zone bearing D. miccoletti. Chayenne R. section shows lowest zone Baculites-placentieros. Thickness down from F.H. contact not known, may be greater than is apparent but on surface does not appear as any thicker than Moreau section. * duoceramus zone not found in either section. Loc 30 MR4-2 #13 C. - Color layering of Section. Light Brown (F.H.) Brown shales - several possibilities Light Gray as to interpretation using Black Seawight's 'members' but his definitions too obscure + contradictory to be safe.