574-9 to 577-9 574-9 to 575-6 - (see below) (GC202) 575-6 to 576-6 - Fragmental flint & silicious flint. (GC203-204) 576-6 to 577-9 - As above but with more silicious fragments, interstitial material and considerable interstitial Fe(GC205 upper part) (GC206 lower ) Analyt sample #30 574-9 to 577-9, Fragmental claystone 609 to 624-3 609 to 612 - Fragmental semiflint, claystone, minor flint, chiefly in dark silty ferruginous maters. streaks flint->(GC 208) 612 to 616' - Green silty claystone, fragmental at top, irony interstitial material (GC 209) 612 to 618-6 Siltstone, scattered claystone fragments. 618-6 to 620-6 Fragmental claystone & siltstone same cruststone. (GC 2010) 620-6 to 624-3: Fragmental silty claystone of several types. Top (GC 291) Middle (GC 292) Base (GC 293)