The BGS Lexicon of Named Rock Units — Result Details

Usworth Coal (Northumberland And Durham)

Computer Code: USWO Preferred Map Code: Uswo
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: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: Pennine Middle Coal Measures Formation (PMCM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Smith, D B, 1994. Geology of the country around Sunderland. Memoir of the British Geological Survey, Sheet 21, (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E010 E014 E015 E021 E026 E027