The BGS Lexicon of Named Rock Units — Result Details

Riccarton Group

Computer Code: RCN Preferred Map Code: RCN
Status Code: Pending Upgrade
Age range: Wenlock Epoch (SW) — Wenlock Epoch (SW)
Lithological Description: Greywackes (dominantly less than 0.5 metres thick) with interbedded mudstones including dark grey, finely laminated, fossiliferous siltstone beds. NOTE: Riccarton Group not subdivided in Wigtownshire. See Warren, 1964, for subdivision to east.
Definition of Lower Boundary: Faulted contact with Carghidown Formation at NX 4528 3414.
Definition of Upper Boundary: Not seen.
Thickness: c.500 metres of folded and faulted, steeply dipping strata.
Geographical Limits: Not defined.
Parent Unit: Not Applicable (-)
Previous Name(s): Riccarton And Raeberry Castle Beds (-4856)
Riccarton Formation [Obsolete Name And Code: Use RCN] (RRC)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Burrow Head. 
Reference(s):
Craig, G Y, and Walton, E K. 1959. Sequence and structure in the Silurian rocks of Kirkcudbrightshire. Geological Magazine, Vol.96, p.217. 
Warren, P T. 1964. The stratigraphy and structure of the Silurian (Wenlock) rocks south-east of Hawick, Roxburghshire, Scotland. Quarterly Journal of the Geological Society of London, Vol.120, p.193-222. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S002 S017 S011 E007 S017 S018 E006