The BGS Lexicon of Named Rock Units — Result Details

Medway River Terrace Deposits 3

Computer Code: ME3 Preferred Map Code: symb
Status Code: Full
Age range: Pleistocene Epoch (QP) — Holocene Epoch (QH)
Lithological Description: Sand and gravel, locally with lenses of silt, clay or peat. [Generic description]. Gravel, characterized by well bedded, well rounded clasts of Wealden sandstone, siltstone and sparse flint.
Definition of Lower Boundary: Overlies bedrock.
Definition of Upper Boundary: At surface, or locally overlain by head and brickearth.
Thickness: Around 2.4 to 2.7m
Geographical Limits: Royal Tunbridge Wells district.
Parent Unit: Medway Valley Formation (MEVA)
Previous Name(s): Third Terrace (-3550)
River Terrace Deposits, 3 (Medway) (-4188)
Alternative Name(s): none recorded or not applicable
Type Section  Small pit north of Chafford Park exposes up to 2.4m of gravel beneath brickearth. Bristow and Bazley, 1972. 
Bristow, C R and Bazley, R A. 1972. Geology of the country around Royal Tunbridge Wells. Memoir of the Geological Survey of Great Britain, sheet 303 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used: