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
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