Computer Code: |
CNW |
Preferred Map Code: |
CNW |
Status Code: |
Pending Upgrade |
Age range: |
Llandovery Epoch (SL)
— Llandovery Epoch (SL) |
Lithological Description: |
Thin- to medium-bedded greywacke with variable proportion of interbedded silty mudstone including some thick (to 40m) units. Includes pockets of distinctive thick-bedded parallel laminated greywacke with abundant concretions. |
Definition of Lower Boundary: |
Faulted. |
Definition of Upper Boundary: |
Faulted. |
Thickness: |
Not defined. |
Geographical Limits: |
Not defined. |
Parent Unit: |
Hawick Group (HWK)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Cairnharrow, west side, Sheet S04E. |
Reference(s): |
none recorded or not applicable |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S004
S001
S003
S004
|