The BGS Lexicon of Named Rock Units — Result Details
Benholm Clay Formation
| Computer Code: | BECL | Preferred Map Code: | BC |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Anglian Stage (QA) — Wolstonian Stage (QO) | ||
| Lithological Description: | Dark grey shelly silty clay with broken marine bivalve shells and sparse clasts of sandstone, andesite, siltstone and limestone. | ||
| Definition of Lower Boundary: | Unconformable on bedrock and conformable or tectonic contact on Birnie Gravel Formation. | ||
| Definition of Upper Boundary: | Tectonic contacts with Burn of Benholm Peat Bed or Mill of Forest Till Formation. | ||
| Thickness: | 4.6m+ | ||
| Geographical Limits: | Burn of Benholm area and coastal exposures on Kincardine coast between Inverbervie and St.Cyrus. | ||
| Parent Unit: | Logie-Buchan (Albion) Glacigenic Subgroup (LBAG) | ||
| Previous Name(s): | Black Shelly Boulder Clay [Obsolete Name and Code: Use BECL]
(-3837)
High-Level Marine Shell Bed [Obsolete Name and Code: Use BECL] (-4453) Black Shelly Till [Obsolete Name and Code: Use BECL] (-48) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | British Geological Survey Trial Pit (BBP4): British Geological Survey registered number NO76NE/4 - Burn of Benholm area. | ||
| Reference Section | British Geological Survey measured section (BBS1). NO76NE/5 - Burn of Benholm area. | ||
| Reference Section | Horse Crook stream section. Campbell, 1934, locality 1. | ||
| Reference(s): | |||
| Donner, J J. 1960. Pollen analysis of the Burn of Benholm peat-bed, Kincardineshire, Scotland. Societas Scientarum Fennica, Commentationes Biologicae, Vol.22, 1-13. | |||
| Donner, J J. 1979. The Early or Middle Devensian peat at Burn of Benholm, Kincardineshire. Scottish Journal of Geology, Vol.15, 247-250. | |||
| Merritt, J W, Auton, C A, Connell, E R, Hall, A M and Peacock, J D. 2003. The Cainozoic geology and landscape evolution of north-east Scotland. Memoir of the British Geological Survey, Sheets 66E, 67, 76E, 77, 86E, 87W, 87E, 95, 96W, 96E and 97 (Scotland) | |||
| Campbell, R, 1934. On the occurrence of Shelly Boulder Clay and interglacial deposits in Kincardineshire. Transactions of the Edinburgh Geological Society, Vol.13, 176-183. | |||
| Sutherland, D G. 1981. The high-level marine shell beds of Scotland and the build-up of the last Scottish ice sheet. Boreas, Vol.10, 247-254. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S067 | |||