Computer Code: |
CAIZ |
Preferred Map Code: |
CAIZ |
Status Code: |
Index Level |
Age range: |
Caradoc Series (O4)
— Ashgill Series (OA) |
Lithological Description: |
[Obsolete: use GDF] Thin-, medium- and thick-bedded greywackes and thin shales. Rocks rich in ferromagnesian minerals. |
Definition of Lower Boundary: |
Rests on Lochryan Formation. |
Definition of Upper Boundary: |
Faulted. |
Thickness: |
Not defined. |
Geographical Limits: |
Not defined. |
Parent Unit: |
none recorded or not applicable
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
Galdenoch Formation
|
Stratotypes: |
Type Area |
Cairnerzean Farm, Sheet S3E. |
Reference(s): |
Welsh, W. Not published. The Ordovician rocks of northwest Wigtownshire. Ph.D. Thesis, University of Edinburgh, 1964. |
Kelling, G, and Welsh, W. 1970. The Loch Ryan Fault. Scottish Journal of Geology, Vol.6, 266-271. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S003
|