"343.0"^^ . "BRE"@en . "Michelinia grandis Zone [Obsolete: use BRE]"@en . "344.5"^^ . "Breakyneck Scar Limestone Formation"@en . . . "(Contact between this formation and the Brownber Formation is exposed at NY 6103 0923 and NY 6125 0925, but the former is only c.25m thick there)."@en . . "Michelinia Grandis Beds [Obsolete: use BRE]"@en . . "Cannot be defined precisely."@en . . . . . "Dark grey, bioclastic, unevenly bedded limestones with interbedded dark grey shaly mudstones. (Between underlying dolomites, oolites, conglomerates and sandstones of the Brownber Formation and overlying orthoquartzites of the Ashfell Sandstone."@en . "Breakyneck Scar Limestone Formation"@en . "Approx. 150 metres. Thinning rapidly westwards to c.75 metres north of Newbiggin on Lune and c.25 metres near Howe Nook, Orton."@en . . "stable"@en . "Limestone with subsidiary mudstone. Stratified bedrock. Occurs onshore. Deposited during the Arundian Substage (Carboniferous Period) (344.5-343 Ma BP)."@en . .