| Computer Code: |
WAVV |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Hoxnian Stage (QX)
— Holocene Epoch (QH) |
| Lithological Description: |
The formation encompasses the fluvial, lacustrine and organic deposits of the River Waveney and its tributaries. It includes floodplain alluvium and a restricted development of river terrace deposits. The floodplain alluvium comprises soft clays, silts and fine-grained sands, with bodies of peat, overlying fine- to coarse-grained sands and gravels. River terrace deposits are largely gravel and sand. The gravels are dominated by subangular to rounded flint, including large cobbles, also rounded pebbles of quartz and quartzite and a little chalk. |
| Definition of Lower Boundary: |
Unconformable upon glacial and solifluction deposits and upon Crag Group and Chalk Group bedrock. |
| Definition of Upper Boundary: |
Surface. |
| Thickness: |
About 5 m. |
| Geographical Limits: |
Valley of River Waveney and its tributaries, from west of Diss, Suffolk, to its junction with the River Yare north-west of Lowestoft. |
| Parent Unit: |
Yare Catchments Subgroup (YCAT)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Valley of River Waveney from Diss to near Lowestoft. Coxon (1984). |
| Reference(s): |
| Mathers, S J, Horton, A and Bristow, C R. 1993. Geology of the country around Diss, Memoir of the British Geological Survey, l Sheet 175 (England & Wales). |
| 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. |
| Coxon, P. 1993. The geomorphological history of the Waveney Valley and the interglacial deposits. 67-73 in Singer, R, Gladfelter, B G and Wymer, J J. The Lower Paleolithic site at Hoxne, England. [Chicago: University Press of Chicago.] |
| Coxon, P. 1979. Pleistocene environmental history in central East Anglia. PhD Thesis, University of Cambridge. |
| Lewis, S G. 1999. Eastern England. 10-27 in Bowen D Q (editor), A revised correlation of Quaternary deposits in the British Isles. Geological Society Special Report, 23. [London: Geological Society.] |
| Moorlock, B S, Hamblin, R J O, Morigi, A N, Booth, S J and Jeffery, D H. 2000a. The geology of the country around Lowestoft and Saxmundham. Memoir of the British Geological Survey, sheets 176 and 191 (England and Wales). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E162
E175
E176
E190
E191
|
