The BGS Lexicon of Named Rock Units — Result Details

Ives Head Formation

Computer Code: IVH Preferred Map Code: IvH
Status Code: Full
Age range: Ediacaran Period (AD) — Ediacaran Period (AD)
Lithological Description: Grey, volcaniclastic mudstones, siltstones and sandstones with volcanic breccias; well-bedded and graded.
Definition of Lower Boundary: At base of lowest bed overlying lavas of Morley Lane Volcanic Formation, at 541m depth in Morley Quarry Borehole.
Definition of Upper Boundary: Overlain, apparently conformably, by green-grey interbedded fine- to medium-grained volcaniclastic beds of the Blackbrook Reservoir Formation.
Thickness: c.780m
Geographical Limits: none recorded or not applicable
Parent Unit: Blackbrook Group (CBK)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Morley Quarry Borehole, 0 - 541m depth. 
Type Section  Morley Quarry. 
Reference Section  Ives Head summit. 
Reference(s):
Carney, J N, 1994. Geology of the Thringstone, Shepshed and Loughborough districts (SK41NW, SK41NE and SK51NW). British Geological Survey Technical Report WA/94/08. 
Moseley, J and Ford, T D, 1985. A stratigraphic revision of the Late Precambrian rocks of Charnwood Forest, Leicestershire. Mercian Geologist, Vol.10(I), 1-18. 
Pharaoh, T C and Evans, C J, 1987. Morley Quarry No.1 Borehole: Geological Well Completion Report. Investigation of the Geothermal Potential of the UK. British Geological Survey Report. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E141