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WA ID


Receptor Summary 75614 Channel


Shallow, poorly defined cut and fill feature cut into YM. Single phase of fill characterised by sub-parallel internal reflectors. Possible remnant of an eroded channel feature filled with BNB sediment, along with features 75603, 75604, 75606, 75602, 75612, 75613 and 75615. Correlates with feature 75328 identified within East Anglia ONE. Depth Range: 2.5 to 7.9m BSB.


75615 Channel 75616 Channel 75617 Channel


Shallow, poorly defined cut and fill feature cut into YM. Single phase of fill characterised by sub-parallel internal reflectors. Possible remnant of an eroded channel feature filled with BNB sediment, along with features 75603, 75604, 75606, 75602, 75612, 75613 and 75614. Depth Range: 2.2 to 6.9m BSB.


Shallow cut and fill feature cut into YM, relatively poorly defined basal reflector with single phase of fill characterised by poorly defined internal reflector. Possible fluvial feature though date is uncertain. Depth Range: 0.8 to 8.4m BSB.


Large, distinct cut and fill feature cut into YM. Characterised by a well-defined basal reflector and fill containing numerous sub-parallel internal reflectors. Possible remnant of an eroded channel feature filled with BNB sediment, along with feature 75618. Depth Range: 0.4 to 12.0m BSB.


75618 Channel High 75631


Amplitude Reflector


Large, distinct cut and fill feature cut into YM. Characterised by a well-defined basal reflector and fill containing poorly defined internal reflectors. Possible remnant of an eroded channel feature filled with BNB sediment, along with feature 75617. Depth Range: 0.4 to 12.0m BSB.


Short high amplitude reflector, possibly within YM. Possible organic layer, only identified on one survey line. Depth Range: 3.5 to 4.0m BSB.


Age Devensian


Devensian Unknown Devensian


Devensian Pre-Anglian


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 17 Offshore Archaeology Page 45


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