Computer Code: |
DUR |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Arenig Series (OR)
— Abereiddian Stage (O2) |
Lithological Description: |
Light grey fine-grained dolomitic limestones. |
Definition of Lower Boundary: |
Conformably overlies the Croisaphuill Formation. |
Definition of Upper Boundary: |
The top of the formation is tectonically truncated by the Moine Thrust Zone. |
Thickness: |
80 m thick, although estimated at 200m by some authors. |
Geographical Limits: |
The Durness Group forms a narrow, discontinuous belt, extending along the north-western side of Scotland from the Durness-Eriboll area, through Assynt and Kishorn, to Skye. The Durine Formation does not occur in Assynt or Skye and appears to be limited to the more northern parts of the Durness Group's outcrop. |
Parent Unit: |
Durness Group (DNG)
|
Previous Name(s): |
Durine Group [Obsolete Name and Code: Use DUR]
(-3378)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Reference Section |
West side of Sango Bay, near Durness. Peach et al., 1907; Prigmore and Rushton, 1999. |
Reference(s): |
Peach, B N, Home, J, Gunn, W, Clough, C T and Hinxman, L W, 1907. The Geological Structure of the northwest Highlands of Scotland. Memoir of the Geological Survey of Great Britain. |
Lapworth, C. 1883. The secret of the Highlands. Geological Magazine, Decade 2, Vol. 10, 120-128, 193-199, 337-344. |
Johnston, G S and Mykura, W. 1989. British regional geology: the Northern Highlands (4th edition) (London: HMSO for the British Geological Survey.) |
Park, E G, Stewart, A D and Wright, D T. 2002. The Hebredean Terrane. 45-80 in the Geology of Scotland. Trewin, N H (Editor). (The Geological Society, London.) |
Prigmore, J K, and Rushton, A W A. 1999. Scotland: Cambrian and Ordovician of the Hebridean Terrane. 295-315 in British Cambrian to Ordovician Stratigraphy. Rushton, A W A, Owen, A W, Owens, R M and Prigmore, J K (editors). Geological Conservation Review Series. (Joint Nature Conservation Committee.) |
Phemister, J. 1948. British Regional Geology: Scotland: the Northern Highlands (2nd edition) (Edinburgh: HSMO for the Geological Survey and Museum.) |
Wright, D T and Knight, I. 1995. A revised chronostratigraphy for the lower Durness Group. Scottish Journal of Geology, Vol. 31, 11-22. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S114
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