| Computer Code: |
MCHB |
Preferred Map Code: |
MCHB |
| Status Code: |
Full |
| Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
| Lithological Description: |
Wacke sandstones, siltstones and sporadic conglomerates (turbidite succession). |
| Definition of Lower Boundary: |
Faulted (against Afton Formation by Carcow Fault). |
| Definition of Upper Boundary: |
Faulted (by Southern Upland Fault). |
| Thickness: |
c.1300m |
| Geographical Limits: |
Southern Uplands of Scotland. |
| Parent Unit: |
Tappins Group (TAP)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
March Burn (boundary between Ayrshire and Dumfriesshire) |
| Reference(s): |
| Floyd, J D. 1982. Stratigraphy of a flysch succession: The Ordovician of West Nithsdale, South West Scotland. Transactions of the Royal Society of Edinburgh, Earth Sciences, Vol. 73 (1), 1-9. |
| Floyd, J D. 1996. Lithostratigraphy of the Ordovician rocks in the Southern Uplands: Crawford Group, Moffat Shale Group, Leadhills Supergroup. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol. 86, 153-165. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S008
S015
S024
S015
S023
S024
S032
|