The BGS Lexicon of Named Rock Units — Result Details
Ardwell Farm Formation
| Computer Code: | ARD | Preferred Map Code: | ARD |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Caradoc Series (O4) — Caradoc Series (O4) | ||
| Lithological Description: | Flaggy wacke. | ||
| Definition of Lower Boundary: | Rests conformably on Balclatchie Formation. | ||
| Definition of Upper Boundary: | Underlies the Whitehouse Subgroup (not seen, faulted out). | ||
| Thickness: | c.1000m | ||
| Geographical Limits: | Girvan district, southwest Scotland. | ||
| Parent Unit: | Ardwell Subgroup (AWL) | ||
| Previous Name(s): | Ardwell Flags [Obsolete Name and Code: Use ARD]
(-1313)
Middle Ardwell Beds [Obsolete Name And Code: Use ARD] (ARBM) Ardwell Beds, Middle (-648) Ardwell Formation (-649) Ardwell Group [Obsolete Name and Code: Use ARD] (-3801) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Sheet 007, Girvan. | ||
| Type Section | Coast section between Ardwell Bay and Kennedy's Pass. | ||
| Reference(s): | |||
| Williams, G B and Spray, J G. 1979. Non-cylindrical, flexural slip folding in the Ardwell Flags: a statistical approach. Tectonophysics, Vol.58, 269-277. | |||
| Tripp, R P, 1980. Trilobites from the Ordovician Balclatchie and Lower Ardwell Groups of the Girvan district, Scotland. Transactions of the Royal Society of Edinburgh. Earth Sciences, Vol 71, p. 123-145. | |||
| Ingham, J K, 1978. Geology of a continental margin 2: Middle and late Ordovician transgression, Girvan. "In" Bones, D R and Leake, B E. Crustal Evolution in North Western Britain and Adjacent Regions. Geological Journal Special Issue, No.10. p.163-176. | |||
| Williams, A, 1959. A structural history of the Girvan district south-west Ayrshire. Transactions of the Royal Society of Edinburgh, Vol 63, p 631. | |||
| Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. | |||
| Cameron, I B, Stone, P and Smellie, J, 1986. Geology of the Country around Girvan. Explanation of 1:50 000 sheet. British Geological Survey, Sheet 7, Scotland. | |||
| Williams, A, 1962. The Barr and Lower Ardmillan Series (Caradoc) of the Girvan district, southwest Ayrshire, with descriptions of the Brachiopoda. Memoir of the Geological Society of London, No.3. | |||
| Henderson, S M K, 1935. Ordovician submarine disturbances in the Girvan district. Transactions of the Royal Society of Edinburgh, Vol 58, p 488. | |||
| 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 S007 | |||