. . . . . "Cowie Sandstone Formation"@en . "The top of the highest bed of laminated, grey siltstone of the Cowie Harbour Siltstone Member, that is conformably overlain by red, cross-bedded, fine- to medium-grained sandstone of the Carron Sandstone Formation."@en . . "425.0"^^ . "Cowie Formation [Obsolete: use CWE]"@en . . . . "430.6"^^ . . "Sandstone with subsidiary conglomerate, felsite, mudstone and siltstone. Stratified bedrock. Occurs onshore. Deposited during the Homerian Age - to - Gorstian Age (Silurian Period) (430.6-425 Ma BP)."@en . "Upper Silurian (Downtonian) [Obsolete: use CRN]"@en . . . "Stonehaven Beds [Obsolete: use CRN, CWE, SHG]"@en . . . "Cowie Sandstone Formation"@en . "An angular unconformity on meta-igneous and metasedimentary rocks of the Highland Border Complex."@en . "CWE"@en . "From 490-640 m thick according to Carroll (1995), and 730 m thick estimated by Armstrong and Paterson (1970)."@en . "stable"@en . . "A fine- to medium-grained, locally pebbly, lithic sandstone interbedded with minor conglomerate, siltstone, mudstone and acid lavas."@en .