The BGS Lexicon of Named Rock Units — Result Details

Ackton Rock

Computer Code: ACR Preferred Map Code: ACR
Status Code: Index Level
Age range: Bolsovian Substage (CC) — Bolsovian Substage (CC)
Lithological Description: none recorded or not applicable
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: To c.10m
Geographical Limits: West and south Yorkshire [Ackton, near Wakefield].
Parent Unit: Pennine Middle Coal Measures Formation (PMCM)
Previous Name(s): Warmfield Rock [Obsolete Name: See Revision Section] (WA)
Alternative Name(s): Treeton Rock
Warmfield Rock
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:
E078