The BGS Lexicon of Named Rock Units — Result Details

Mountsorrel Complex

Computer Code: MSRL Preferred Map Code: MC
Status Code: Full
Age range: Caradoc Series (O4) — Caradoc Series (O4)
Lithological Description: An association of coarse grained igneous rocks, principally consisting of granodiorite and occurring within a roughly circular intrusive body.
Definition of Lower Boundary: Not seen; the Complex is intruded into hornfelsed slaty mudrocks believed to be correlatives of the Stockingford Shale Group (Cambrian to Ordovician).
Definition of Upper Boundary: Unconformably overlain by Triassic strata and Quaternary superficial deposits.
Thickness: Vertical thickness unknown; the surface outcrops extend over 2.5km, with probable extensions at depth on all sides.
Geographical Limits: Extends from Brazil Wood northeastwards into Mountsorrel Village.
Parent Unit: Not Applicable (-)
Previous Name(s): Granite (GRNT)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Western slopes of Buddon Wood, extending northwards around Buddon Quarry to Rowhele Wood, in the grounds of Quorn House. 
Reference Section  Brazil Wood 
Reference Section  Kinchley Hill. 
Reference(s):
Le Bas, M J. 1968. Caledonian igneous rocks, 41 - 58. The Geology of the East Midlands. Sylvester-Bradley, P C and Ford, T D. (eds.). Leicester. Leicester University Press. 
Fox-Strangways, C,1903. The geology of the country near Leicester. Memoir of the Geological Survey of Great Britain, Sheet 156 (England and Wales). 
Pharaoh, T C, Brewer, T S and Webb, P C. 1993. Subduction related magmatism of late Ordovician age in eastern England, Geological Magazine, Vol.130, 647 - 656. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E156