| Computer Code: |
OTB |
Preferred Map Code: |
OtB |
| Status Code: |
Full |
| Age range: |
Ediacaran Period (AD)
— Ediacaran Period (AD) |
| Lithological Description: |
Grey volcaniclastic sandstones and sediment-clast breccias interbedded with subordinate volcaniclastic mudstone and siltstone. |
| Definition of Lower Boundary: |
Probably sharp upon Buck Hills Member, latter comprising blue-grey, thinly bedded volcaniclastic mudstones and siltstones. |
| Definition of Upper Boundary: |
Sharply overlain by Bradgate Formation, of blue-grey, laminated volcaniclastic rocks and tuffites. |
| Thickness: |
About 115m in Type Area, thinning to south. |
| Geographical Limits: |
Mainly occurs in the Outwoods Nature Area and possibly feathers out southwards, on the Charnwood Forest Golf Course. |
| Parent Unit: |
Beacon Hill Formation (CMBH)
|
| Previous Name(s): |
Outwoods Member [Obsolete Name and Code: Use OTB]
(-1747)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Outwoods, near Nanpantan. |
| Reference(s): |
| 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
|
