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
Reference Section  Brazil Wood 
Reference Section  Kinchley Hill. 
Type Area  Western slopes of Buddon Wood, extending northwards around Buddon Quarry to Rowhele Wood, in the grounds of Quorn House. 
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: