The BGS Lexicon of Named Rock Units — Result Details
Auchencrow Burn Sandstone Formation
| Computer Code: | AUCR | Preferred Map Code: | AUCR |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Early Devonian Epoch (DL) — Early Devonian Epoch (DL) | ||
| Lithological Description: | Reddish brown coarse-grained to pebbly sandstones with intercalated tuffs, siltstones and mudstones, local conglomerates and one thin cornstone. | ||
| Definition of Lower Boundary: | The top of the Eyemouth Volcanic Formation. | ||
| Definition of Upper Boundary: | The unconformity with the overlying Devono-Carboniferous conglomerates. | ||
| Thickness: | At least 430 m and probably up to 1400 m thick. | ||
| Geographical Limits: | The Eyemouth area, along the Eye valley between Ayton and Reston. | ||
| Parent Unit: | Reston Group (REST) | ||
| Previous Name(s): | Lower Old Red Sandstone Group
(LORS)
Lower Old Red Sandstone Group (LORS) Auchencrow Burn Formation [Obsolete Name and Code: Use AUCR] (-2569) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Partial Type Section | Eye Water, east of Coveyheugh, near Reston. Greig, D C. 1988. | ||
| Partial Type Section | A portion of the sequence near the top of the formation, is exposed in Auchencrow Burn [NT86 59] where it is overlain by Devono-Carboniferous strata. Greig, D C. 1988. | ||
| Reference(s): | |||
| Waters, C N, Gillespie, M R, Smith, K, Auton, C A, Floyd, J D, Leslie, A G, Millward, D, Mitchell, W I, McMillan, A A, Stone, P, Barron, A J M, Dean, M T, Hopson, P M, Krabbendam, M, Browne, M A E, Stephenson, D, Akhurst, M C, and Barnes, R P. 2007. Stratigraphical Chart of the United Kingdom: Northern Britain. (British Geological Survey.) | |||
| Browne, M A E, Smith, R A, and Aitken, A M. 2002. Stratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. British Geological Survey Research Report RR/01/04. 67 pp. | |||
| Greig, D C. 1988. Geology of the Eyemouth district. Memoir of the British Geological Survey, Sheet 34 (Scotland). | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S034 | |||