The BGS Lexicon of Named Rock Units — Result Details

Sinniness Formation

Computer Code: SIN Preferred Map Code: SIN
Status Code: Pending Upgrade
Age range: Llandovery Epoch (SL) — Llandovery Epoch (SL)
Lithological Description: Medium- to thick-bedded greywacke, with thin mudstone beds, including very thick-bedded massive sandstone pockets and thick mudstone beds (to 2 metres).
Definition of Lower Boundary: Conformable on Moffat Shale Group at Gillespie Burn (NX 257 540).
Definition of Upper Boundary: Faulted.
Thickness: Not defined.
Geographical Limits: Not defined.
Parent Unit: Gala Group (GALA)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  Stair Haven to Mull of Sinniness, Sheet 4W, Scotland. 
none recorded or not applicable
1:50K maps on which the lithostratigraphical unit is found, and map code used: