| Computer Code: |
BRSI |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Mid Pleistocene (QPM)
— Mid Pleistocene (QPM) |
| Lithological Description: |
Greenish grey organic silts rich in an interglacial flora and fauna. |
| Definition of Lower Boundary: |
Base of palaeochannel cut in bedrock. |
| Definition of Upper Boundary: |
Erosion surface overlain by Mathon Sand and Gravel. |
| Thickness: |
Up to c.1 metre. |
| Geographical Limits: |
The Brays sand and gravel pit, near Mathon, Hereford and Worcester. |
| Parent Unit: |
Mathon Sand and Gravel Formation (MASG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
(Ephemeral exposures). The Brays sand and gravel pit, near Mathon, Hereford and Worcester. |
| Reference(s): |
| McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. |
| Barclay, W J, Ambrose K, Chadwick, R A, and Pharaoh, T C. 1997. Geology of the country around Worcester. Memoir of the British Geological Survey, Sheet 199 (England and Wales). |
| Brandon, A. Not yet published. Interglacial deposits beneath the Mathon Sand and Gravel, west of the Malvern Hills. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
