"BRSF"@en . "Burghead Sandstone [Obsolete: use BRSF]"@en . . . "stable"@en . "Pebbly (gravelly) sandstone and sandstone with subsidiary conglomerate, siliciclastic argillaceous rock and siltstone and trace mudstone. Stratified bedrock. Occurs onshore. Deposited during the Early Triassic Epoch - to - Carnian Age (Triassic Period) (251.9-227.3 Ma BP)."@en . . . "Water-lain poorly sorted, brownish to grey arkosic pebbly sandstone; fine- to coarse-grained. Commonly cross-bedded or laminated, some massive. Some conglomerate beds and beds with common mudstone interclasts. Few siltstone beds."@en . "Up to 73 m."@en . . "Burghead Beds [Obsolete: use BRSF]"@en . . "Around Lossiemouth the base of the formation is the base of the predominantly waterlain pebbly sandstones unconformably overlying the Upper Old Red Sandstone strata. Farther to the west the formation overlies the Triassic Hopeman Sandstone Formation."@en . "Burghead Sandstone Formation"@en . . "Burghead Sandstone Formation"@en . "227.3"^^ . "The top of the formation is the base of the aeolian beds belonging to the Lossiemouth Sandstone Formation or, where that is absent, the base of the Stotfield Cherty Rock Formation."@en . "251.9"^^ . .