"Soft silty sandstones, harder calcareous sandstones becoming coarser upwards over the first 10m or so. The topmost part of the unit is thickly-bedded to massive sandstone with silty partings. Poorly fossiliferous, with rare bivalves, belemnites and ammonites."@en . . "Overlain by cross-bedded sandstone of the Rasasay Sandstone Member."@en . "Beinn na Leac Sandstone Member"@en . "21m"@en . . . . "174.7"^^ . "stable"@en . "First limestone bed above Dun Caan Shale Member."@en . "170.9"^^ . . . "Calcareous sandstone and siltstone with subsidiary mudstone. Stratified bedrock. Occurs onshore. Deposited during the Aalenian Age (Jurassic Period) (174.7-170.9 Ma BP)."@en . . . "Beinn na Leac Sandstone Member"@en . "BENL"@en .