The BGS Lexicon of Named Rock Units — Result Details

Bardon Hill Volcanic Complex

Computer Code: BDHV Preferred Map Code: BVC
Status Code: Full
Age range: Ediacaran Period (AD) — Ediacaran Period (AD)
Lithological Description: An assemblage with no obvious stratigraphy, consisting of andesite breccia (Bardon Breccia) and porphyritic dacite (Peldar Porphyritic Dacite).
Definition of Lower Boundary: Not seen.
Definition of Upper Boundary: Possible fault contact with Precambrian volcaniclastic siltstones and sandstones of the Bradgate Formation.
Thickness: At least 250 m thick.
Geographical Limits: Western Charnwood Forest, between Bardon Hill Quarry, Bardon Hill and Birch Hill.
Parent Unit: Charnian Supergroup (CHA)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Barden Hill Quarry, near Coalville. 
Reference(s):
Carney, J N and Pharaoh, T C. 2000. Bardon Hill, 40-43. In: Precambrian Rocks of England and Wales, Geological Conservation Review Series No. 20. (Peterborough: Joint Nature Conservation Committee.) 
Carney, J N. 1999. Revisiting the Charnian Supergroup: new advances in the understanding of old rocks. Geology Today, Vol. 15, 221-229. 
Worssam, B C and Old, R A, 1988. Geology of the country around Coalville. Memoir of the British Geological Survey, Sheet 155 (England and Wales) 
Carney, J N. 2000, The geology of Bardon Hill and Whitwick quarries in Charnwood Forest, north-west Leicestershire. British Geological Survey Technical Report, WA/00/62. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E155