Computer Code: |
SBTU |
Preferred Map Code: |
SBT |
Status Code: |
Full |
Age range: |
Ediacaran Period (AD)
— Ediacaran Period (AD) |
Lithological Description: |
Varied, massive thick to thinly bedded sequence of graded volcaniclastic sandstones and siltstones and massive lithic-crystal tuff. |
Definition of Lower Boundary: |
Not seen, probably on undivided beds of Charnwood Lodge Volcanic Formation. Member is characterised from latter by increased abundance of fine- to medium-grained, well-bedded lithologies. |
Definition of Upper Boundary: |
Not seen. |
Thickness: |
About 100m |
Geographical Limits: |
Crags to east of Mount St. Bernard Monastery. |
Parent Unit: |
Charnwood Lodge Volcanic Formation (CMCL)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Crags to east of Mount St. Bernard Monastery. |
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. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E141
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