The BGS Lexicon of Named Rock Units — Result Details

Cowie Sandstone Formation

Computer Code: CWE Preferred Map Code: CWE
Status Code: Full
Age range: Homerian Age (SH) — Gorstian Age (SG)
Lithological Description: A fine- to medium-grained, locally pebbly, lithic sandstone interbedded with minor conglomerate, siltstone, mudstone and acid lavas.
Definition of Lower Boundary: An angular unconformity on meta-igneous and metasedimentary rocks of the Highland Border Complex.
Definition of Upper Boundary: 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.
Thickness: From 490-640 m thick according to Carroll (1995), and 730 m thick estimated by Armstrong and Paterson (1970).
Geographical Limits: The Stonehaven area and west to Elfhill [NO 797 849].
Parent Unit: Stonehaven Group (SHG)
Previous Name(s): Stonehaven Beds (-166)
The Upper Silurian ( Downtonian) (-177)
Cowie Formation (-2730)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Partial Type Section  The foreshore from Cowie Harbour [NO 8815 8665] to Ruthery Head [NO 8872 8727]. 
Reference Section  Stream section, Burn of Graham. 
Partial Type Section  Foreshore, Old Kirk Shore. 
Reference(s):
Carroll, S, 1994. Geology of the Stonehaven District. 1:10 000 Sheets NO88NW, NO88NE, NO88SW and NO88SE. British Geological Survey Technical Report WA/94/19. 
Browne, M A E, Smith, R A and Aitken, A M. 2001. A lithostratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. Version 3. British Geological Survey Research Report RR/01/04. 
Armstrong, M and Paterson, I B, 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No.70/12 
Hickling, G, 1908. The Old Red Sandstone of Forfarshire Geological Magazine, Vol.5 (new series) p.396-408. 
Campbell, R, 1913. The geology of south-eastern Kincardineshire. Transactions of the Royal Society of Edinburgh, Vol.48, pp.923-960. 
Campbell, R, 1911. Preliminary note on the geology of south-eastern Kincardineshire. Geological Magazine, Vol.8 (New series), 63-69. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S067 S066