| Computer Code: |
COPH |
Preferred Map Code: |
SYMB |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Phyllitic semipelites, grey-green, laminated to striped with minor limestone beds. |
| Definition of Lower Boundary: |
Limit of quartzites at top of Kymah Quartzite Formation. |
| Definition of Upper Boundary: |
Base of pebbly quartzites of the Caochandye Quartzite Member. |
| Thickness: |
c. 300m (based on outcrop width with no allowance for probable folding). |
| Geographical Limits: |
250 - 500m wide outcrop extending N-S from around Allt na Craoibhe - Caorainn [NJ 31 25] to Water of Nochty [NJ 305 162]. Also in synclinal core around Steplar Road [NJ 30 26], 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 |
Burn of Coralea, 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
|
