| Computer Code: |
KEIT |
Preferred Map Code: |
SYMB |
| Status Code: |
Index Level |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
[Obsolete: use CUTL] Metalimestone, mid-grey, colour-banded, generally massive but with many open joints and cavities. |
| Definition of Lower Boundary: |
Base of massive, banded crystalline limestone in semipelites of the Fordyce Limestone Formation. |
| Definition of Upper Boundary: |
Top of massive, banded, crystalline limestone overlain by semipelites with thin beds of quartzite and calc-silicate rock (Fordyce Limestone Formation). |
| Thickness: |
28m proved in boreholes. |
| Geographical Limits: |
Keith area, Braehead (85E) to Drum (86W), and Muldearie (85E). |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Boreholes (proposed Keith Bypass) NJ 45 SW/14-19 and NJ 44 NW/53-55 |
| Reference Section |
BGS Rosarie Borehole 0.9m to 37.25m and Rosarie Quarry (formerly Hillockhead Quarry). |
| Type Section |
Old railway cutting and Cuthill Quarry (formerly known as Glenisla Quarry), Old Keith. |
| Reference(s): |
| Robertson, T, Simpson J B and Anderson J G C. 1949. The Limestones of Scotland. Special reports on the mineral resources of Great Britain. Vol.35. Memoir of the Geological Survey. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S085
|
