Computer Code: |
BLUS |
Preferred Map Code: |
symb |
Status Code: |
Full |
Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
Lithological Description: |
Dominantly schistose to gneissose semipelite. Psammite locally developed in lower parts and pebbly psammite and psammite locally developed at top. |
Definition of Lower Boundary: |
Top of hornblendic rocks of the underlying Farragon Volcanic Formation or calcareous rocks of Ben Lawers Schist Formation. |
Definition of Upper Boundary: |
Base of calcareous lithologies of the Loch Tay Limestone Formation. |
Thickness: |
Not known. |
Geographical Limits: |
Ben Lui to Glen Isla. |
Parent Unit: |
Crinan Subgroup (DBCN)
|
Previous Name(s): |
Ben Lui Schist [Obsolete Name And Code: Use BLUS]
(DBBU)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Reference Section |
Head of Glen Isla west to Glen Fearnach. |
Type Area |
Ben Lui area, Perthshire. |
Reference(s): |
Crane, A, Goodman, S, Krabbendam, M K, Leslie, A G, Paterson, I B, Robertson, S and Rollin, K, 1996. Geology of the Glen Shee district. Memoir of the British Geological Survey, Sheet 56W and adjacent areas (Scotland). |
Bailey, E B and McCallien, W J, 1937. Perthshire tectonics: Schiehallion to Glen Lyon. Transactions of the Royal Society of Edinburgh, Vol.59, 79-117. |
Sturt, B A, 1960. The geological structure of the area south of Loch Tummel. Quarterly Journal of the Geological Society of London, Vol.117, 131-156. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S056
S055
S029
S028
S055
S038
S045
S054
S046
S046
S047
S047
S065
|