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. 
Allen, P. 1984. Field guide to the Gipping and Waveney valleys, Suffolk, May, 1982. Cambridge, Quaternary Research Association. 
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:
E176 E191