The BGS Lexicon of Named Rock Units — Result Details
Dura Den Member
| Computer Code: | DDF | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Late Devonian Epoch (DU) — Late Devonian Epoch (DU) | ||
| Lithological Description: | Red, cream and green siltstones, alternating with fine-grained cream sandstones, coarser pebbly sandstones and thin partings of red or green mudstone. | ||
| Definition of Lower Boundary: | The top of the coarser-grained sandstone within the Glenvale Sandstone Formation. | ||
| Definition of Upper Boundary: | Drawn at the conformable upward passage from siltstone and sandstones of the Dura Den Member to the white or cream sandstones of the Knox Pulpit Sandstone Formation. | ||
| Thickness: | Approximately 40 m thick. | ||
| Geographical Limits: | The Stratheden area of the Midland Valley of Scotland, on sheets 40E (uncertain), 48E and 49. Additionally a thin lens-shaped unit is restricted to the Cupar area. | ||
| Parent Unit: | Glenvale Sandstone Formation (GEF) | ||
| Previous Name(s): | Dura Den Fish Bed [Obsolete Name And Code: Use DDF]
(DDFB)
Dura Den Formation [Obsolete Name and Code: Use DDF] (-206) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Reference Section | Foot of cliff opposite Yoolfield Mill, near Cupar, Fife, Scotland. | ||
| Reference Section | River bed upstream from Yoolfield Mill, near Cupar, Fife, Scotland. | ||
| Reference(s): | |||
| Chisholm, J I, and Dean, J M. 1974. The Upper Old Red Sandstone of Fife and Kinross: A fluviatile sequence with evidence of marine incursion. Scottish Journal of Geology, Vol. 10, 1-30. | |||
| Paterson, I B and Hall, I H S. 1986. Lithostratigraphy of the late Devonian and early Carboniferous rocks in the Midland Valley of Scotland. British Geological Survey Report, 18/3. | |||
| Cameron, I B, and Stephenson, D. 1985. British Regional Geology: The Midland Valley of Scotland (3rd Edition). (London: HMSO for 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. | |||
| Waterston, C D, 1965. Old Red Sandstone. In: Craig, G Y (editor). The Geology of Scotland, 270-340. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E048 E040 S049 | |||