The BGS Lexicon of Named Rock Units — Result Details
Dunnet Head Sandstone Formation
Computer Code: | DUH | Preferred Map Code: | notEntered |
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Status Code: | Full | ||
Age range: | Frasnian Age (DR) — Famennian Age (DA) | ||
Lithological Description: | Unfossiliferous yellow and brown sandstones with grit beds. | ||
Definition of Lower Boundary: | Drawn where the yellow and brown sandstones of the Dunnet Head Sandstone rests unconformably on the flagstones of the Caithness Flagstone Group. | ||
Definition of Upper Boundary: | The Dunnet Head Sandstone is overlain unconformably by superficial deposits. | ||
Thickness: | c.733m | ||
Geographical Limits: | Caithness, northern Highlands. (Highland Region). | ||
Parent Unit: | Eday Group (EDY) | ||
Previous Name(s): | Dunnet Sandstone Group [Obsolete Name and Code: Use DUH]
(-4011)
Dunnet Head Sandstone Group [Obsolete Name and Code: Use DUH, OYS] (-4626) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Area | Dunnet Head, Caithness, Scotland. | ||
Reference(s): | |||
Phemister, J. 1948. British Regional Geology: Scotland: the Northern Highlands (2nd edition) (Edinburgh: HSMO for the Geological Survey and Museum.) | |||
Murchison, R I, 1859. Northern Highlands, etc. Quarterly Journal of the Geological Society, Vol.15, p.394,409. | |||
Crampton, C B and Carruthers, R G, 1914. The geology of Caithness. Memoir of the Geological Survey, Scotland. Sheets 110 and 116 (Scotland). | |||
Geikie, A, 1879. On the Old Red Sandstone of Western Europe. Transactions of the Royal Society of Edinburgh, Vol.28, p.374-404. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S116 |