The BGS Lexicon of Named Rock Units — Result Details

Dunnottar Castle Conglomerate Formation

Computer Code: DRCC Preferred Map Code: DRCC
Status Code: Full
Age range: Silurian Period (S) — Early Devonian Epoch (DL)
Lithological Description: A conglomerate with boulders up to 1m across, o f mainly 'Highland' provenance, with interbedded sandstone lenses.
Definition of Lower Boundary: At the base of the lowest bed of conglomerate of 'Highland' provenance overlying the Carron Sandstone Formation.
Definition of Upper Boundary: The base of the lowest lava flow in the overlying Tremuda Bay Volcanic Formation.
Thickness: From 2385 m to 2482 m thick, according to Carroll, 1995.
Geographical Limits: Stonehaven area.
Parent Unit: Dunnottar-Crawton Group (DRCR)
Previous Name(s): Castle Haven Conglomerate Member (CHAV)
Strathlethan Sandstone Member (SNF)
Downie Point Conglomerate Formation (-4618)
Alternative Name(s): none recorded or not applicable
Type Section  The coastal section south of Stonehaven, from Downie Point to Strabandra. 
Campbell, R, 1913. The geology of south-eastern Kincardineshire. Transactions of the Royal Society of Edinburgh, Vol.48, pp.923-960. 
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 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: