The BGS Lexicon of Named Rock Units — Result Details

80 Yard Rock

Computer Code: EYR Preferred Map Code: notEntered
Status Code: Index Level
Age range: Langsettian Substage (CA) — Langsettian Substage (CA)
Lithological Description: The Eighty Yard Rock is a thin, fine-grained flaggy sandstone widespread throughout the West Yorkshire district.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: Generally c.10m, locally to c.40m
Geographical Limits: West Yorkshire area.
Parent Unit: Pennine Lower Coal Measures Formation (PLCM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Upper Band Rock
Gaisby 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:
E069 E086 E077