. "South of Exminster, interdigitational with Heavitree Breccia. From Exminster to Monkerton (SX 970 940), sharp base on Heavitree Breccia or Monkerton Formation. North of Monkerton to near Broadclyst, rests unconformably on Crackington Formation. In Crediton Trough, rests on Shute Sandstone."@en . "Dawlish Sandstone Formation"@en . . "stable"@en . "298.9"^^ . . . "Overlain sharply and probably unconformably by mudstones of the Aylesbeare Mudstone Group in the Exeter district; in the Newton Abbot district is overlain interdigitationally by the Exe Breccia."@en . . . "Dawlish Sands [Obsolete: use DAS]"@en . "Sand and sandstone with subsidiary breccia and mudstone. Stratified bedrock. Occurs onshore. Deposited during the Permian Period (298.9-251.9 Ma BP)."@en . "Dawlish Sandstones [Obsolete: use DAS]"@en . "Dawlish Sandstone [Obsolete: use DAS]"@en . "100-300m."@en . . . . "Dawlish Sandstone Formation"@en . . . "Lower Sandstone [Obsolete: use DAS, THSA]"@en . "Reddish brown sands and sandstones, cross-bedded, with intercalated thin lenses and beds of breccia and mudstone. North of Broadclyst, two mappable units predominantly of mudstone have been named: Poltimore Mudstone and Bussell's Member."@en . . . . "DAS"@en . "Clyst Sands [Obsolete: use DAS]"@en . "251.9"^^ . "Dawlish sandstones and breccias [Obsolete: use DAS]"@en . . .