The BGS Lexicon of Named Rock Units — Result Details

Thrussington Till Member

Computer Code: THT Preferred Map Code: symb
Status Code: Pending Upgrade
Age range: Anglian Stage (QA) — Anglian Stage (QA)
Lithological Description: Diamicton, brown to reddish-brown with stones and matrix derived primarily from Upper Carboniferous and Triassic rocks; subordinate sand, gravel and stoneless clay and silt.Red pebbly clay and silty clay with rock fragments - [generic description: 'TMOS' Procedures].
Definition of Lower Boundary: Typically bedrock surface below deposit; other deposits may, however, intervene.
Definition of Upper Boundary: Typically the present-day surface; can, however, be overlain by latter glacigenic or fluvial deposits or head.
Thickness: Variable up to 20m; typically 1-7m
Geographical Limits: East Midlands.
Parent Unit: Wolston Glacigenic Formation (WOLS)
Previous Name(s): Boulder clay [Obsolete Name and Code: Use TILL] (BOC)
Boulder clay [Obsolete Name and Code: Use TILL] (BOC)
Pennine Drift [Obsolete Name and Code: Use THT] (-1230)
Thrussington Till [Obsolete Name and Code: Use THT] (-1231)
Alternative Name(s): none recorded or not applicable
none recorded or not applicable
Rice, R J, 1968. The Quaternary deposits of central Leicestershire. Philosophical Transactions of the Royal Society of London, Series A, Vol.262, 459-509. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E184 E169 E142 E141