| Computer Code: |
BRORC |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Bathonian Age (JN)
— Callovian Age (JC) |
| Lithological Description: |
A prominent coal seam. |
| Definition of Lower Boundary: |
Overlies the Inverbrora Member (INVBR). |
| Definition of Upper Boundary: |
Overlain by the sandstone of the Brora Roof Bed (BRORO). The boundary is sharp and planar and although apparently conformable is probably erosional. |
| Thickness: |
1 m thick at Brora. South of Brora at Balintore it is significantly thinner at only 20 cm thick. |
| Geographical Limits: |
Balintore and Brora areas, Sutherland, Scotland. |
| Parent Unit: |
Brora Coal Formation (BOCO)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Foreshore south of the River Brora estuary, Sutherland [NC 900 030], between the Brora Fault and the railway, and the sea. |
| Reference(s): |
| Barron, A J M, Lott, G K, and Riding, J B. 2012. Stratigraphical framework for the Middle Jurassic strata of Great Britain and the adjoining continental shelf. British Geological Survey Research Report RR/11/06. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |