Computer Code: |
LOC |
Preferred Map Code: |
Loc |
Status Code: |
Full |
Age range: |
Cisuralian Epoch (PLC)
— Cisuralian Epoch (PLC) |
Lithological Description: |
Well sorted sandy breccia with clasts of bladed greywacke, argillite and purple amygdaloidal basalt. |
Definition of Lower Boundary: |
Rests on thin sequence of Carron Basalt Formation. |
Definition of Upper Boundary: |
Passes up by alternation into aeolian desert dune sandstone of the Thornhill Sandstone Formation. |
Thickness: |
50m |
Geographical Limits: |
Locherben Outlier approximately 2km sq. |
Parent Unit: |
Stewartry Group (STEW)
|
Previous Name(s): |
Permian Breccias (Undivided)
(-875)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
450m south-east of Locherben. |
Reference(s): |
Brookfield, M E. 1978. Revision of the Stratigraphy of Permian and Supposed Permian Rocks of Southern Scotland. Geologische Rundschau, Vol. 67, 110-143. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S009
|