Computer Code: |
BKI |
Preferred Map Code: |
BkI |
Status Code: |
Full |
Age range: |
Mid Devonian Epoch (DM)
— Mid Devonian Epoch (DM) |
Lithological Description: |
Red sandstone sequence incorporating the Den Siltstone, Kilmuir Conglomerate and Raddery Sandstone Formations. |
Definition of Lower Boundary: |
Unconformable base of Old Red Sandstone sequence. |
Definition of Upper Boundary: |
Unconformable base of the Balnagown Sandstone Group. |
Thickness: |
+ 2000m. |
Geographical Limits: |
Easter Ross-shire , Scotland. |
Parent Unit: |
Old Red Sandstone Supergroup (ORS)
|
Previous Name(s): |
Middle Old Red Sandstone
(-62)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Area to north-west of Great Glen Fault. Black Isle Easter Ross-shire. |
Reference(s): |
Fletcher, T P et al. 1996. Geology of the Fortrose and eastern Inverness district. Memoir of the British Geological Survey, Sheet 84W (Scotland). |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S084
S094
S094
S093
|