| Computer Code: |
LDBU |
Preferred Map Code: |
LDBM |
| Status Code: |
Full |
| Age range: |
Ediacaran Period (AD)
— Comley Series (EC) |
| Lithological Description: |
Metasandstone, pale to medium grey, and slaty metasiltstone, green-grey, rhythmically interbedded and interlaminated. Thin calcareous lenses and pelite beds. |
| Definition of Lower Boundary: |
Outgoing of coarse clean, thick-bedded arenites and the incoming of finer-grained sandstones and siltstones. |
| Definition of Upper Boundary: |
Incoming of coarser-grained arenites and wackes. |
| Thickness: |
c.1500m in the type section at Ledard Burn. |
| Geographical Limits: |
Currently only defined between Loch Drunkie, Achray Forest, and ground around and to the west of Ledard Burn on Sheet 38E. |
| Parent Unit: |
Ben Ledi Grit Formation (BLEG)
|
| Previous Name(s): |
Ben Ledi Grits
(-652)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Across-strike river section; Ledard Burn, Kinlochard, near Aberfoyle, Perthshire. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S038
|
