The BGS Lexicon of Named Rock Units — Result Details

Productive Coal Measures [Obsolete: use CM]

Computer Code: LMCM Preferred Map Code: notEntered
Status Code: Index Level
Age range: Langsettian Substage (CA) — Asturian Substage (CAS)
Lithological Description: [Obsolete: use CM]
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: none recorded or not applicable
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Whitehead, T H and Pocock, R W. 1947. Geology of the country around Dudley and Bridgnorth. Memoir of the British Geological Survey, Sheet 167. (England and Wales). 
Besley B M. 1988. Palaeogeographic implications of late Westphalian to early Permian red-beds, central England. In Sedimentation in a synorogenic basin complex. Besley B M, and Kelling, G (editors). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable