AGS / Geology / Stratigraphy / Ozark Plateaus / Cretaceous
Cretaceous Rocks
Age: Late Cretaceous Period, Gulfian Series
Distribution: Eastern margin of Ozark Plateaus in northern Arkansas
Geology: Local deposits of black shaley clay and gravel above rocks of Paleozoic age. Fossils present in this sequence suggest a possible Ozan Formation correlation. This sequence has not been assigned to a specific stratigraphic unit or studied in detail.
Sand and Clay
Age: Cretaceous Period?
Distribution: Eastern margin of the Ozark Plateaus in northern Arkansas
Geology: Scattered deposits of sands and clay of uncertain affinities lying above Paleozoic rocks. This sequence has not been assigned to a specific stratigraphic unit or studied in detail.
 |
Cretaceous sand along Highway 122 south of Cord. |
 |
Cretaceous sand along Highway 122 south of Cord. |
