| Computer Code: |
CVM |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Devonian Period (D)
— Devonian Period (D) |
| Lithological Description: |
Dark grey and olive mudstones with dark limestone concretions and lenses. Also rare sandstones. |
| Definition of Lower Boundary: |
Conformable boundaries within the lower part of the Nairnside Sandstone Formation. |
| Definition of Upper Boundary: |
Conformable boundaries within the lower part of the Nairnside Sandstone Formation. |
| Thickness: |
c 10 metres. |
| Geographical Limits: |
Not defined. |
| Parent Unit: |
Nairnside Sandstone Formation (NCB)
|
| Previous Name(s): |
Nairnside and Clava Beds [Obsolete Name and Code: Use CVM, NCB]
(-3340)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Sheet 84W. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S084
|
