| Computer Code: |
MNN |
Preferred Map Code: |
MNN |
| Status Code: |
Full |
| Age range: |
Llanvirn Series (OE)
— Llanvirn Series (OE) |
| Lithological Description: |
Sandstone, reddened, cross stratified, medium- and coarse-grained. |
| Definition of Lower Boundary: |
Forms base of Confinis Formation, rests on Kirkland Conglomerate Formation, |
| Definition of Upper Boundary: |
Succeeded by fossiliferous calcareous sandstone of the Confinis Formation. |
| Thickness: |
0.5 to 8m |
| Geographical Limits: |
Girvan area, southwest Scotland. |
| Parent Unit: |
Confinis Formation (CNF)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Kirland Burn, Stinchar Valley, Girvan. Ingham (in Fortey et al., 2000). |
| Reference(s): |
| Ince, D, 1984. Sedimentation and tectonism in the Middle Ordovician of the Girvan district, north west Scotland. Transactions of the Royal Society of Edinburgh. Earth Sciences, Vol.75 (2), p.225-237. |
| Fortey, R A, Harper, D A T, Ingham, J K, Owen, A W, Parkes, M A, Rushton, A W A and Woodcock, N H. 2000. A revised correlation of Ordovician rocks in the British Isles. Geological Society Special Report, No.24. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
