The BGS Lexicon of Named Rock Units — Result Details
Dundarg Conglomeratic Sandstone Formation [Obsolete: use DDG]
| Computer Code: | DCST | Preferred Map Code: | DCST |
|---|---|---|---|
| Status Code: | Index Level | ||
| Age range: | Early Devonian Epoch (DL) — Early Devonian Epoch (DL) | ||
| Lithological Description: | [Obsolete: use DDG] Conglomerate and pebbly sandstone with pedogenetic carbonate. | ||
| Definition of Lower Boundary: | Basal beds of the Old Red Sandstone on the southern coast of the Moray Firth east of Banff. | ||
| Definition of Upper Boundary: | At the change to finer grained siltstone with thin sandstones and mudstones of the Counter Head Siltstone Formation. | ||
| Thickness: | 30-400m | ||
| Geographical Limits: | Flecky's Meadow to Powies Point on the southern coast of the Moray Firth east of Gardenstown. | ||
| Parent Unit: | none recorded or not applicable | ||
| Previous Name(s): | Beds 1 And 2 In Crovie Group
(-856)
Crovie Sandstone [Obsolete Name and Code: Use DCST] (-2148) Dundary Castle Sandstone Formation [Obsolete Name and Code: Use DCST] (-2149) Dundarg Castle Conglomerate [Obsolete Name and Code: Use DCST] (-3352) Fleckies Meadow Conglomerate [Obsolete Name and Code: Use DCST] (-3353) Crovie Conglomerate [Obsolete Name and Code: Use DCST] (-1492) |
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| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Reference Section | Shore section alongside Crovie Village, sections on each side of the pier. | ||
| Type Section | Shore section between Flecky's Meadow and Counter Head, 1900m north east of New Aberdour Church. | ||
| Reference(s): | |||
| Turner, P and Archer, R. 1975. Magnetisation history of Lower Old Red Sandstones from the Gamrie Outlier, Scotland, Earth and Planetary Science Letters, Vol.27, Castle Hill Sandstone, p.242. | |||
| Trewin, N H, 1987. Localities 1 and 2, fig.1, p.115. Old Red Sandstone and Dalradian of Gamrie Bay, localities 1-5, fig.1, p.134-135. The Lower Old Red Sandstone of New Aberdour in Excursion guide to the geology of the Aberdeen area. Trewin, N H, Kneller, B C and Gillen, C (editors). (Edinburgh: Scottish Academic Press). | |||
| Read, H H, 1996. Beds 1 and 2 of the Crovie Group on p.168. The Middle Old Red Sandstone. The geology of the country round Banff, Huntly and Turriff. Memoir of the Geological Survey of Scotland. (Edinburgh: HMSO). | |||
| Archer, R. 1978. The Old Red Sandstone outliers of Gamrie and Rhynie, Aberdeenshire. PhD thesis (University of Newcastle upon Tyne). Crovie Siltstone Formation on p. 17, West Harbour Formation on p. 35, New Harbour Siltstone Formation on p. 81 and Counter Head equivalent section on p. 85. | |||
| Mykura, W. 1991. Old Red Sandstone. 297-346 in Geology of Scotland (3rd edition, revised). Craig, G Y (editor). Geological Society of London. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S096 | |||