Computer Code: |
E2A2A |
Preferred Map Code: |
E2a2a |
Status Code: |
Index Level |
Age range: |
Arnsbergian Substage (CG)
— Arnsbergian Substage (CG) |
Lithological Description: |
Mudstone. |
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
none recorded or not applicable
|
Geographical Limits: |
none recorded or not applicable
|
Parent Unit: |
Silsden Formation (SILS)
|
Previous Name(s): |
Cravenoceras Gressinghamense Marine Band [Obsolete Code: Use E2A2A]
(CGMB)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Waters, C N, Waters, R A, Barclay, W J, and Davies, J R. 2009. Lithostratigraphical framework for Carboniferous successions of Southern Great Britain (Onshore). British Geological Survey Research Report, RR/09/01. 184pp. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E059
|