| 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: |
| Type Section |
Morley Quarry. |
| Reference Section |
Ives Head summit. |
| Reference Section |
Morley Quarry Borehole, 0 - 541m depth. |
| Reference(s): |
| 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. |
| 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. |
| Carney, J N. 1994. Geology of the Thringstone, Shepshed and Loughborough districts (SK41NW, SK41NE and SK51NW). British Geological Survey Technical Report WA/94/08. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E141
|
