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 | ||
| Stratotypes: | |||
| none recorded or not applicable | |||
| Reference(s): | |||
| 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 | |||