The BGS Lexicon of Named Rock Units — Result Details

Goat Gills Member

Computer Code: GGM Preferred Map Code: GGM
Status Code: Pending Upgrade
Age range: Tremadoc Series (O1) — Tremadoc Series (O1)
Lithological Description: Breccia, mainly of siltstone in a siltstone matrix.
Definition of Lower Boundary: Base not seen.
Definition of Upper Boundary: Top sharp with overlying (inverted sequence) Robinson Member.
Thickness: Approx. 100 metres.
Geographical Limits: Not defined.
Parent Unit: Buttermere Formation (BUF)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  Goat Gills, east of Buttermere Lake. 
Cooper, A H, and Webb, B C. 1988. Slump Folds and Gravity Slide Structures in a Lower Palaeozoic Marginal Basin Sequence (The Skiddaw Group), north west England. Journal of Structural Geology, Vol.10, (5), p.463-472. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: