The BGS Lexicon of Named Rock Units — Result Details
Raised marine beach deposits of Holocene age
| Computer Code: | RMBDF | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Holocene Epoch (QH) — Holocene Epoch (QH) | ||
| Lithological Description: | Gravel and sand, commonly shelly. Gravel typically cobble grade, well sorted, clast supported with well-rounded clasts. Sand mainly medium-grained and shelly. | ||
| Definition of Lower Boundary: | Sharp, unconformable, generally planar, gently shelving contact on various older superficial deposits (most commonly till) or rockhead. | ||
| Definition of Upper Boundary: | Ground surface, or sharp, undulating, conformable contact with younger superficial deposits, including peat and blown sand. | ||
| Thickness: | To 10 m. | ||
| Geographical Limits: | Britain to the north of the Tees-Ribble. | ||
| Parent Unit: | Raised beach deposits (RBDU) | ||
| Previous Name(s): | Raised marine beach deposits of Flandrian age [Obsolete Name and Code: Use RMBDF]
(-5248)
Raised beach deposits of post-glacial age [Obsolete Name and Code: Use RBDPG, RMBDF] (-1790) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | The southern shore of the Inner Moray Firth and Ardersier Peninsula, 2 to 18 km northeast of Inverness (Fletcher et al., 1996). | ||
| Reference(s): | |||
| Fletcher, T P et al. 1996. Geology of the Fortrose and eastern Inverness district. Memoir of the British Geological Survey, Sheet 84W (Scotland). | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S084 | |||