The BGS Lexicon of Named Rock Units — Result Details

Ellel Crag Sandstone

Computer Code: ELCR Preferred Map Code: ElCr
Status Code: Full
Age range: Kinderscoutian Substage (CK) — Kinderscoutian Substage (CK)
Lithological Description: Sandstone, fine-to-medium-grained, large scale cross-bedding; coaly layers.
Definition of Lower Boundary: Abrupt change from mudstone of Dolphinholme Mudstone to sandstone of the Ellel Crag Sandstone.
Definition of Upper Boundary: Abrupt change from sandstone of the Ellel Crag Sandstone to mudstone/siltstone of overlying unnamed beds within the Millstone Grit Group.
Thickness: 50 -70m
Geographical Limits: Ellel and Forton, Lancashire.
Parent Unit: Samlesbury Formation (SAML)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Ellel Crag Quarry, near Dolphinholme, Lancashire. 
Reference(s):
Brandon, A, Aitkenhead, N, Crofts, R G, Ellison, R A, Evans, D J and Riley, JN J, 1998. Geology of the country around Lancaster. Memoir of the British Geological Survey, Sheet 59 (England and Wales). 
Wilson, A A, Brandon, A and Johnson, E W, 1989. Abbeystead: Geological context of the Wyresdale Tunnel methane explosion. Technical Report of the British Geological Survey WA/89/30. 
Aitkenhead, N, Bridge, D M, Riley, N J and Kimbell, S F. 1992. Geology of the country around Garstang. Memoir of the British Geological Survey, Sheet 67 (England and Wales) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E059 E067