The BGS Lexicon of Named Rock Units — Result Details

Lower Camregan Grits Formation

Computer Code: LCRG Preferred Map Code: LCRG
Status Code: Full
Age range: Llandovery Epoch (SL) — Llandovery Epoch (SL)
Lithological Description: Fine- to medium-grained sandstone.
Definition of Lower Boundary: Disconformable junction with Pencleuch Shale Formation (Penwhapple South Group).
Definition of Upper Boundary: Conformably overlain by Wood Burn Formation.
Thickness: 36.3m
Geographical Limits: Girvan area, south-west Scotland.
Parent Unit: Dailly Subgroup (DAI)
Previous Name(s): Lower Camregan Grits (-3514)
Rhynchonella Grit (-4754)
Alternative Name(s): none recorded or not applicable
Type Section  Penwhapple Burn. 
Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. 
Cocks, L R M and Toghill, P, 1973. The biostratigraphy of the Silurian rocks of the Girvan District, Scotland. Journal of the Geological Society of London, Vol. 129, 209-243. 
Floyd, J D and Williams, M. 2003. A revised correlation of Silurian rocks in the Girvan district, SW Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol. 93 (for 2002), 383-92. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S008 S008