 Smaller outcrops occur in other parts of Britain such as the Red Cliffs of Dawlish and East Devon.In terms of its lithology, the New Red Sandstone comprises true sandstones, mudrocks and evaporite strata.The sandstone units are monomineralic, consisting only of quartz grains (negligible amounts of other minerals may be present), and they are cemented together with the ferric iron oxide haematite (Fe2O3).