The Delaware Limestone is a geologic formation in Ohio. It dates back to the Devonian. Earth sciences portalOhio portalPaleontology portal Quick Facts Type, Underlies ...Delaware LimestoneStratigraphic range: DevonianTypeFormationUnderliesOlentangy Shale and Plum Brook ShaleOverliesColumbus LimestoneLocationCountryUnited StatesExtentOhioClose References Generalized Stratigraphic Chart for Ohio This article about a specific stratigraphic formation in Ohio is a stub. You can help Wikipedia by expanding it.vteLoading related searches...Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads