The BGS Lexicon of Named Rock Units — Result Details

Broome Member

Computer Code: BRME Preferred Map Code: notEntered
Status Code: Full
Age range: Quaternary Period (Q) — Quaternary Period (Q)
Lithological Description: Fluvial sands and gravels form a bench about 2-4 m above the present floodplain. Three units have been recognised: Uppermost - Cross-bedded sand with gravel and clay lenses; Middle - coarse, poorly sorted, bedded gravel and sand; Lowermost - sorted, cross-bedded gravel and sand. The terrace has yielded a rich fauna and flora.
Definition of Lower Boundary: Unconformable on sands of Happisburgh Formation (formerly called Corton Formation).
Definition of Upper Boundary: At surface or may be overlain by Blown Sand in the area around Outney Common and elsewhere locally overlain by Alluvium.
Thickness: 264 m.
Geographical Limits: Restricted to the valley of the River Waveney, along the Norfolk-Suffolk border. Depicted as Second Terrace Deposits on BGS maps.
Parent Unit: Waveney Valley Formation (WAVV)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Second Terrace Of The Waveney (Moorlock Et Al,2000)
Stratotypes:
Type Section  Broome Heath Pit about 2 km north of Bungay. Coxon (in Allen, 1984). 
Reference(s):
Sparks, B W and West, R G. 1968. Interglacial deposits at Wortwell, Norfolk. Geological Magazine, Vol.105, 471-481. 
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). 
Allen, P. 1984. Field guide to the Gipping and Waveney valleys, Suffolk, May, 1982. Cambridge, Quaternary Research Association. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E176 E191