Computer Code: |
SBUS |
Preferred Map Code: |
SYMB |
Status Code: |
Full |
Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
Lithological Description: |
Semipelitic mica-schist, usually grey or olive, knotted in parts, commonly staurolite bearing. |
Definition of Lower Boundary: |
Unknown - lozenge-shaped outcrop between two major faults of the Portsoy Lineament. |
Definition of Upper Boundary: |
Unknown - lozenge-shaped outcrop between two major faults of the Portsoy Lineament. |
Thickness: |
Up to 900m (based on maximum observed outcrop width with no allowance for probable folding and other tectonic thickening or thinning). |
Geographical Limits: |
NNW/SSE-trending outcrop, to 1.25km wide, from Allt na Craoibhe-caorainn [NJ 321 257] to Leadensider Burn [NJ 343 197]. Blackwater - Glenbuchat area, Moray and Gordon Districts. Sheet 75E. |
Parent Unit: |
Argyll Group (ARGY)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Scors Burn |
Reference(s): |
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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