| Computer Code: |
CBST |
Preferred Map Code: |
SYMB |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Semipelite and psammite, notably striped and banded. |
| Definition of Lower Boundary: |
Upper limit of quartzites of underlying Caochandye Quartzite Member. |
| Definition of Upper Boundary: |
Lower limit of graphitic pelites of overlying Glenbuchat Graphitic Schist Formation. |
| Thickness: |
Probably c. 400m (based on outcrop width and making no allowance for probable tight folding). |
| Geographical Limits: |
N-S-trending outcrop, 500-1500m wide, extending from Allt na Craoibhe-Caorainn [NJ 320 256] to Tolduquhill area [NJ 30 15], Glen Nochty, Moray District. 1:50 000 Sheet 75E. |
| Parent Unit: |
Culchavie Striped Formation (CUST)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Coulins Burn, Glenbuchat. |
| Reference(s): |
| Memoir of the British Geological Survey, Sheet 75, in preparation. |
| Fettes, D J, Lesley, A G, Stephenson, D, and Kimbell, S F. 1991. Disruption of Dalradian stratigarphy along the Portsey Lineament from new geological and magnetic surveys. Scottish Journal of Geology, Vol. 27, 57-73. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S075
|
