Computer Code: |
PUBL |
Preferred Map Code: |
PUBL |
Status Code: |
Full |
Age range: |
Ediacaran Period (AD)
— Ediacaran Period (AD) |
Lithological Description: |
Muscovite-chlorite-talc schist with included fragments of carbonate, psammite and siliceous semipelite; with a melange-type appearance. Fragments have a variety of shapes from rounded/flattened to angular and range in size from 5-30cm up to 8m. Irregular bodies of crystalline quartz locally developed - ?metachert. |
Definition of Lower Boundary: |
Sharp change from the typical psammite, micaceous psammite and garnetiferous semipelite of the Auchlyne Formation to schistose muscovite-chlorite-talc calcsilicate- rock with included fragments. |
Definition of Upper Boundary: |
Sharp upward change from melange-type lithology back to the typical psammite, micaceous psammite and garnetiferous semipelite of the Auchlyne Formation. |
Thickness: |
10-20m? |
Geographical Limits: |
Only localized development in Upper Glen Lyon, Allt Phubuill to Allt Camaslaidh. |
Parent Unit: |
Auchlyne Formation (AULY)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
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Stratotypes: |
Reference Section |
Allt Phubuill, Pubil, Glen Lyon. Details will be included in Sheet Description for Sheet 46W (Crainlarich). Presently in draft BGS internal report: Leslie et al., Progress Report on the Geology of the Tyndrum area, 2003. 1:50k Sheet 46W (Crianlarich). |
Reference(s): |
Will be included in Sheet Description for Sheet 46W (Crianlarich) and 46E (Killin). |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |