The BGS Lexicon of Named Rock Units — Result Details

Raised Tidal Flat Deposits Of Holocene Age

Computer Code: RTFDF Preferred Map Code: notEntered
Status Code: Index Level
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: Silt, clay and fine-grained sand with lenses of gravel.
Definition of Lower Boundary: Sharp, unconformable, generally planar contact on various older superficial deposits, most commonly till.
Definition of Upper Boundary: Ground surface, or sharp, undulating, conformable contact with younger superficial deposits, including peat and blown sand.
Thickness: To 20m
Geographical Limits: Britain to the north of the Humber-Ribble.
Parent Unit: Not Applicable (-)
Previous Name(s): Raised Marine/Beach/Estuarine Deposits Of Postglacial Age (-1152)
Raised Tidal Flat Deposits Of Flandrian Age (-5250)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  The southern shore of the Inverness Firth, 2 to 18km 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