| Computer Code: |
DCAS |
Preferred Map Code: |
ABSF |
| Status Code: |
Full |
| Age range: |
Ediacaran Period (AD)
— Ediacaran Period (AD) |
| Lithological Description: |
Pelite and semipelite, grey to black in general, but purple or green locally, with thin units of coarse gritty sandstone developed locally. |
| Definition of Lower Boundary: |
Undefined; base not observed. |
| Definition of Upper Boundary: |
Outgoing of grey and black to purple slates and incoming coarse gritty and microconglomeratic arenites of the Creag Innich Sandstone Formation. |
| Thickness: |
c.500m (estimated) |
| Geographical Limits: |
Southwest of Loch Tay Fault from Loch Venachar to Loch Lomond (= to Luss Slates) and farther southwest, where known as 'Dunoon Phyllites'. |
| Parent Unit: |
Southern Highland Group (SOHI)
|
| Previous Name(s): |
Aberfoyle Slate [Obsolete Name and Code: Use DCAS]
(-1487)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Abandoned slate quarries, Dukes Pass, north of Aberfoyle, Perthshire. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S038
S038
|
