| Computer Code: |
BRY4 |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Holocene Epoch (QH)
— Holocene Epoch (QH) |
| Lithological Description: |
Unconsolidated silt and clay with a shelly marine fauna. Sand is generally a minor component, though locally substantial sand bodies interrupt the argillaceous succession. |
| Definition of Lower Boundary: |
Underlain by the Middle Peat Member (BRY3). |
| Definition of Upper Boundary: |
Overlain by the Upper Peat Member (BRY5). |
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Confined to the valleys of the River Bure and River Yare near Great Yarmouth. |
| Parent Unit: |
Breydon Formation (BRYD)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| 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. |
| Arthurton, R S, Booth, S J, Morigi, A N, Abbott, M A W, and Wood, C J. 1994. Geology of the country around Great Yarmouth, Sheet Memoir 162, British Geological Survey. [London: HMSO.] 138pp. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E162
|
