The BGS Lexicon of Named Rock Units — Result Details
Confinis Formation
| Computer Code: | CNF | Preferred Map Code: | CNF |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Abereiddian Stage (O2) — Abereiddian Stage (O2) | ||
| Lithological Description: | Blue-grey calcareous flaggy sandstone. | ||
| Definition of Lower Boundary: | Overlies and is partly lateral equivalent of Auchensoul Bridge Mudstone. | ||
| Definition of Upper Boundary: | Overlain conformably by the Stinchar Limestone Formation. | ||
| Thickness: | 50m | ||
| Geographical Limits: | Stinchar Valley area, Girvan. | ||
| Parent Unit: | Barr Group (BARR) | ||
| Previous Name(s): | Confinis Flags Formation [Obsolete Name and Code: Use CNF]
(-3314)
Confinis Flags [Obsolete Name and Code: Use CNF] (-4559) Orthis Confinis Flags [Obsolete Name And Code: Use CNF] (OCF) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Kirkdominae, Barr, Sheet SO08W. | ||
| Type Section | Benan Burn. | ||
| Reference(s): | |||
| Ingham, J K, Ross, R J and Tripp, R P. 1991. The trilobite fauna of the Middle Ordovician Doularg Formation of the Girvan district, Scotland, and its palaeoenvironmental significance. Transactions of the Royal Society of Edinburgh, Vol.82(1), 27-54. | |||
| Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. | |||
| 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: | |||
| S008 | |||