Computer Code: |
TOFU |
Preferred Map Code: |
SYMB |
Status Code: |
Full |
Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
Lithological Description: |
Crystalline limestone, grey, lenticular, bedded, originally fragmental, commonly with pyrite, locally with tight folding. Calcite segregations in parts. Generally blocky (massive to flaggy). |
Definition of Lower Boundary: |
Lower limit of limestone overlying graphitic semipelitic to pelitic schist of the Badenyon Schist and Limestone Formation. |
Definition of Upper Boundary: |
Upper limit of limestone overlain by semipelite and highly micaceous psammite, slaty, blue-grey, of the Badenyon Schist and Limestone Formation. |
Thickness: |
To c.20m |
Geographical Limits: |
South of the Lecht in the valleys of the Loinherry/Camore Burn, west of the Lecht Road (A939) and east of the road in the valley of the Milltown Burn. Upper Donside, Aberdeenshire. |
Parent Unit: |
Badenyon Schist And Limestone Formation (BSAL)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
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Stratotypes: |
Type Section |
Stream section in lower part of Camore Burn. |
Reference Section |
Quarries and sink holes west of A939 by Clachan Lochan. |
Reference(s): |
Memoir of the British Geological Survey, Sheet 75, in preparation. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S075
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