The BGS Lexicon of Named Rock Units — Result Details
Rouen Bay Sandstone Member
| Computer Code: | RBT | Preferred Map Code: | RBT |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Lochkovian Age (DO) — Pragian Age (DP) | ||
| Lithological Description: | A coarse sand to boulder-sized, massive, angular, very poorly-sorted, conglomerate with clasts of vesicular lava and rare clasts of quartzite and metabasic rock interbedded with a coarse- to very coarse-grained, typically massive, volcaniclastic sandstone. One flow of andesitic lave seen at Whistleberry. | ||
| Definition of Lower Boundary: | The base of the lowest bed of the poorly-sorted volcaniclastic conglomerate with angular clasts, where this conformably overlies a clast-supported conglomerate with rounded clasts of lava and quartzite, of the undivided Catterline Conglomerate Formation. | ||
| Definition of Upper Boundary: | The top of the highest bed of very coarse-grained volcaniclastic sandstone with angular clasts, where this is conformably overlain by a clast-supported conglomerate with rounded clasts of lava and quartzite of the undivided Catterline Conglomerate Formation. | ||
| Thickness: | From 75 m to 115 m thick. | ||
| Geographical Limits: | Northern Midland Valley, between Braidon Bay [NO 866 773] and Whistleberry [NO 860 753]. | ||
| Parent Unit: | Catterline Conglomerate Formation (CATC) | ||
| Previous Name(s): | Rouen Bay Tuff Member [Obsolete Name and Code: Use RBT]
(-2992)
Rouen Formation [Obsolete Name And Code: See WCO] (RNF) |
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| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | Foreshore and cliffs from Powdam Head [NO 867 760] to Green Heugh [NO 862 753]. | ||
| Reference(s): | |||
| Haughton, P D W, 1993. Simultaneous dispersal of volcaniclastic and non-volcaniclastic sediment in fluvial basins: examples from the Lower Old Red Sandstone, east-central Scotland. In: Marzo, M and Puigdefabregas, C. (eds) Alluvial Sedimentation. Blackwell Scientific Publications, 451-471. | |||
| 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. | |||
| Carroll, S. 1994. Geology of the Inverbervie and Catterline district, 1:10 000 sheets NO87NW, NO87NE and NO87SW. British Geological Survey, Technical Report, WA/94/20. | |||
| Armstrong, M, and Paterson, I B. 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No. 70/12 | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S067 | |||