The BGS Lexicon of Named Rock Units — Result Details
Strathlethan Sandstone Member
Computer Code: | SNF | Preferred Map Code: | SNF |
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Status Code: | Full | ||
Age range: | Silurian Period (S) — Early Devonian Epoch (DL) | ||
Lithological Description: | A grey, fine-grained, cross-bedded sandstone, volcaniclastic sandstones and pebbly sandstones. | ||
Definition of Lower Boundary: | At the base of the lowest volcaniclastic sandstone bed resting on the Downie Point Conglomerate Member. | ||
Definition of Upper Boundary: | The base of the lowest coarse conglomerate bed in the Castle Haven Conglomerate Member. | ||
Thickness: | Up to 350 m thick, according to Armstrong and Paterson 1970. | ||
Geographical Limits: | Stonehaven area. | ||
Parent Unit: | Dunnottar Castle Conglomerate Formation (DRCC) | ||
Previous Name(s): | Strathlethan Sandstone Formation [Obsolete Name and Code: Use SNF]
(-3040)
Strathlethan Formation (-534) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Section | Coastal exposures in Strathlethan Bay, south of Stonehaven. | ||
Reference(s): | |||
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 | |||
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 Stonehaven District. 1:10 000 Sheets NO88NW, NO88NE, NO88SW and NO88SE. British Geological Survey Technical Report WA/94/19. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S067 |