The BGS Lexicon of Named Rock Units — Result Details

Enterkin Mudstone Formation

Computer Code: ENT Preferred Map Code: Ent
Status Code: Full
Age range: Brigantian Substage (CX) — Pendleian Substage (CE)
Lithological Description: Reddened fossiliferous marine mudstone, sandstone and seatearth.
Definition of Lower Boundary: Unconformable on Lower Palaeozoic turbidites.
Definition of Upper Boundary: Unconformably overlain by Upper Carboniferous strata.
Thickness: 25m
Geographical Limits: Northern part of the Thornhill Basin, Enterkin Burn, River Nith, Starn Burn.
Parent Unit: Clackmannan Group (CKN)
Previous Name(s): Lower Limestone Group (Undivided) (-2786)
Alternative Name(s): Equivalent To Part Of The Lower Limestone Formation Of The Midland Valley
Stratotypes:
Type Section  Section in the Enterkin Burn 500m north of Inglestone. 
Reference(s):
McMillan, A A. 2002. Geology of the New Galloway and Thornhill District. 2002. Memoir of the British Geological Survey. Sheets 9W and 9E (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S015 S009