WA ID


Table 17.11 Known Prehistory Receptors: Offshore Cable Corridor Receptor Summary


75580 Channel


Shallow cut and fill feature cut into RCG. Single phase of acoustically unstructured fill, correlates with feature 75403 identified along the EA ONE Cable Route. Possible remnants of a fluvial system, though age is uncertain. Depth Range: 0.9 to 7.8m BSB.


75582 Channel


Large, distinct cut and fill feature trending approximately NNW-SSE across the proposed cable route. Characterised by a well-defined, generally relatively flat, basal reflector and fill containing numerous poorly defined sub-parallel internal reflectors. Feature is much deeper at its northern end, and shallows to more of an erosion surface towards the south. Correlates with feature 75402 identified along the EA ONE Cable Route. Possible channel containing BNB sediments. Depth Range: 0.2 to 28.5m BSB.


75583 Channel


Poorly defined cut and fill feature, mostly restricted to within the limits of feature 75582. Generally small and characterised by a poorly defined internal reflector with a single phase of acoustically chaotic fill, though on one line is much broader with unstructured fill. Possible remnants of a Post-Devensian fluvial feature. Depth Range: 1.1 to 9.7m BSB.


75585 Channel Shallow cut and fill feature cut into WK, well defined basal reflector with single phase of acoustically transparent fill. Possible fluvial / channel feature though date is uncertain - could be Devensian (BNB) or Post-Devensian.


Age Unknown


Devensian


Post-Devensian


Unknown


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 17 Offshore Archaeology Page 41


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