The BGS Lexicon of Named Rock Units — Result Details

Lepton Edge Rock

Computer Code: LPE Preferred Map Code: notEntered
Status Code: Index Level
Age range: Langsettian Substage (CA) — Langsettian Substage (CA)
Lithological Description: Regionally the Lepton Edge Rock (also referred to as the Gomersal Rock) is a fine-grained, cross-bedded flaggy sandstone that forms prominent features. On the Huddersfield Sheet (see Addison et al. 2005 p16-17) the Lepton Edge Rock is fine- to very fine-grained, thinly bedded to flaggy sandstone.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: Ranges from 2 to 11m in the Huddersfield Sheet area, with the thickest development at Gomersal (which provides the unit's alternative name).
Geographical Limits: none recorded or not applicable
Parent Unit: Pennine Lower Coal Measures Formation (PLCM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Gomersal Rock
Stratotypes:
none recorded or not applicable
Reference(s):
Addison, R, Waters, C N and Chisholm, J I. 2005. Geology of the Huddersfield district - a brief explanation of the geological map Sheet 77 Huddersfield. Sheet Explanation of the British Geological Survey. 1:50 000 Sheet 77 Huddersfield (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E077 E086