Chelu, R. (2004). Former Enron Works, Severnside, South Gloucestershire - Analysis of Borehole Cores. Wessex Archaeology. https://doi.org/10.5284/1096161. Cite this using datacite

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Title:		 Former Enron Works, Severnside, South Gloucestershire - Analysis of Borehole Cores
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Series:		 Wessex Archaeology unpublished report series
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wessexar1-335947_1.pdf (1 MB) : Download
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https://doi.org/10.5284/1096161
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Publication Type:		 Report (in Series)
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Abstract:		 Wessex Archaeology was to undertake a borehole survey and analysis of the excavated cores on land at the Former Enron Works, Severnside, centred on NGR 353700 183100. This is in advance of potential redevelopment of the site. The Site is situated on the Henbury Level, an area of low lying, flat, artificially drained land forming part of the Avon Levels. A total of four cores were taken to a depth of 6m below local ground surface with the aim of ascertaining both the presence/absence of archaeological deposits and the geoarchaeological potential of the stratified sequences. Analysis revealed a laterally consistent waterlogged local sequence which can be tied to the established mid-late Holocene sedimentological sequence already documented for the Severn Estuary. No direct evidence of human occupation of the immediate area was evident, however the presence of an inwashed charcoal horizon suggests human activity within the vicinity. Periods of water recession and partial stabilisation of the local area are demonstrated by the presence of Phragmites, indicating emergent reed populations, and by the formation of peat, observed in all but the northernmost borehole, where Phragmites was noted in the same approximate stratigraphic position as the peat. Peat may have been formerly present, but removed by subsequent fluvial action or had not formed due to higher local water conditions. The peat and charcoal horizons cannot be directly correlated to those in other sequences, and the peat horizons across the Middle Wentlooge Formation are neither planar nor continuous. Such horizons have been dated to between 5790-5590 cal BC and 930-520 cal BC. There is potential to date the peat and compare this with previously dated Middle Wentlooge peat beds in the Severn Levels. More significant, however, would be a radiocarbon determination of the charcoal layer to attempt to relate this to known dated occupation/activity sites, especially those of later Bronze Age and Iron Age date.
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Author:		 R. A. Chelu
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Publisher:		 Wessex Archaeology
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Year of Publication:		 2004
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District: South Gloucestershire
Country: England
Parish: Pilning and Severn Beach
County: Gloucestershire
Grid Reference: 353699, 183099 (Easting, Northing)
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OASIS Id: wessexar1-335947
OBIB: 55450.03
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Created Date:		 13 Jul 2022