The BGS Lexicon of Named Rock Units — Result Details

Freehay Member

Computer Code: FRE Preferred Map Code: FRE
Status Code: Full
Age range: Early Triassic Epoch (TE) — Early Triassic Epoch (TE)
Lithological Description: Conglomerates with subordinate pebbly sandstones and sporadic mudstone bands.
Definition of Lower Boundary: Where conglomerates become the dominant lithology over sandstone.
Definition of Upper Boundary: Where conglomerate ceases to predominate over sandstone.
Thickness: To 56m
Geographical Limits: Cheadle area, Staffordshire.
Parent Unit: Chester Formation (CHES)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Quarries around Freehay: Freehay. 
Type Area  Quarries around Freehay: Mobberley. 
Type Area  Quarries around Freehay: Muddale. 
Reference(s):
Barrow, G, 1903. The Geology of Cheadle Coalfield. Memoir of the Geological Survey of Great Britain. 
Charsley, T J, 1982. A standard nomenclature for the Trassic formations of the Ashbourne district. Report of the Institute of Geological Sciences, No. 81/14. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E124