Lithology at Station 2 1 Sand below basal cone, layer or face of scarp is somewhat greyer buff than the close, ? is slat thin with vein-like streaks. This sand includes irregularly scattered concretions with some bearing fossils. This zone is related to Johns' zone paleontologically? 2 The concretionsary layer above this, at the base of the massive sand forming the scarp, is not persistent as a definite layer, but is made up of massive concretions, 3 to 6 feet in diameter. The layer is barren, the rock usually consists of platy gray S.S. creasing or forming tlo