The BGS Lexicon of Named Rock Units — Result Details

Crag Limestone

Computer Code: CGLM Preferred Map Code: notEntered
Status Code: Index Level
Age range: Pendleian Substage (CE) — Pendleian Substage (CE)
Lithological Description: Dark grey, fine-grained limestone; might pass westwards into dark ferruginous shelly sandstone (Lexique Stratigraphique).
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: To c.2m
Geographical Limits: Parts of North Yorkshire and Northumberland (Limedale, Teesdale, Weardale, East Allendale and westwards to West Allendale and the Alston district.
Parent Unit: Stainmore Formation (SMGP)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Oakwood Limestone
Crow Limestone
Stratotypes:
none recorded or not applicable
Reference(s):
none recorded or not applicable
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E032 E025 E024 E020 E031 E026