The BGS Lexicon of Named Rock Units — Result Details

Cast Castle Formation

Computer Code: CAST Preferred Map Code: CAST
Status Code: Pending Upgrade
Age range: Wenlock Epoch (SW) — Wenlock Epoch (SW)
Lithological Description: Siltstone and shale.
Definition of Lower Boundary: Between Kip Burn Formation and Patrick Burn Formation.
Definition of Upper Boundary: Between Kip Burn Formation and Patrick Burn Formation.
Thickness: 60 metres.
Geographical Limits: Not defined.
Parent Unit: Priesthill Group [Cf Hagshaw Group] (PRH)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Shank's Castle, Lesmahagow, Sheet S23W. 
Reference(s):
Jennings, J S. Not published. The geology of the eastern part of the Lesmahagow Inlier. Ph.D.Thesis, University of Edinburgh, 1961. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S023