The BGS Lexicon of Named Rock Units — Result Details
Lower Abdon Limestone Member
| Computer Code: | LAL | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Pragian Age (DP) — Pragian Age (DP) | ||
| Lithological Description: | Massive to rubbly dolomitic limestone or fossil soil carbonate (calcrete) with associated siltstones, sandstones and intraformational conglomerates. | ||
| Definition of Lower Boundary: | At base of lowest dolomitic limestone. | ||
| Definition of Upper Boundary: | At erosion surface cut in top of fine-grained dolomitic limestone, sharply overlain by sandstone. | ||
| Thickness: | 2.4 to 3.66 m. | ||
| Geographical Limits: | Brown Clee Hill, Shropshire. | ||
| Parent Unit: | Freshwater West Formation (FWW) | ||
| Previous Name(s): | Hillside Dolomitic Formation [Obsolete Name And Code: Use LAL]
(HDF)
Lower Abdon Limestone [Obsolete Name and Code: Use LAL] (-2888) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Disused quarries between Hillside and Abdon Liberty, near the village of Abdon, Shropshire [SO 604 876 to SO 583 857]. Allen, 1961; Greig et al., 1968. | ||
| Reference Section | Disused quarries near Abdon and Blackford [SO 583 857 to SO 583 860]. Allen, 1961. | ||
| Reference(s): | |||
| Allen, J R L. 1961. The highest Lower Old Red Sandstone of Brown Clee Hill, Shropshire. Proceedings of the Geologists' Association, Vol. 72, 205-219. | |||
| Greig D C, Wright, J E, Hains, B A and Mitchell, G H. 1968. Geology of the country around Church Stretton, Craven Arms, Wenlock Edge and Brown Clee. Memoir of the Geological Survey, Sheet 166 (England and Wales). (London: H.M.S.O.). 379pp. | |||
| Ball, H W, and Dineley, D L. 1961. The Old Red Sandstone of Brown Clee Hill and the adjacent area. Part 1. Stratigraphy. Bulletin of the British Museum (Natural History), Geology Series. [London: British Museum (Natural History).] 177-242. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E166 | |||