Roseveare, M. J. (2022). Geophysical Survey Report: Land at Seven Hills, Ipswich, Suffolk. TigerGeo Limited. https://doi.org/10.5284/1103914. Cite this using datacite

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Title:		 Geophysical Survey Report: Land at Seven Hills, Ipswich, Suffolk
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Series:		 Tigergeo Limited unpublished report series
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tigergeo1-505024_190917.pdf (16 MB) : Download
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DOI
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DOI
https://doi.org/10.5284/1103914
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 TigerGeo was commissioned to undertake a geophysical survey of land at Seven Hills, Ipswich, Suffolk, to assess the potential of the site to contain below ground deposits of archaeological interest. The National Mapping Programme (NMP) has identified a number of probable Bronze age barrows within and adjacent to the site which is located to the north and east of Felixstowe Road, Seven Hills, Ipswich, and comprises multiple fields on gently undulating arable land. The survey was undertaken using an array of fluxgate magnetometers on a non-magnetic platform towed by an ATV. After survey, the data was observed to have a highly variable background of small but locally intense anomalies densely scattered across the site, thought to be derived from municipal compost contaminated with tiny ferrous metal fragments. This has inevitably limited the potential of the survey to detect weakly magnetic features, however, evidence for at least one (HER LVT023) and maybe two Bronze Age barrows was found, plus a number of linear ditch fills that seem to represent an unknown former system of enclosure. One suspected (from NMP data) Bronze Age barrow appears to have been confirmed (HER LVT023) while a second has not (HER LVT022). A third HER record LVT058 not seen during NMP mapping nor in the magnetic data. A fourth example [3] may be evident within the magnetic data but is not within the NMP or HER data sets. For both LVT022 and LVT058, if any associated magnetic anomalies are weak then they may be obscured by the debris. There appears to be evidence of a previously unknown system of enclosure removed prior to OS map editions of the 1880s. Whether this is of prehistoric or much later date cannot be determined from the survey. The presence of strongly magnetic debris across much of the survey has limited the scope for detection of some features of interest.
Author
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Author:		 M J Roseveare
Publisher
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Publisher:		 TigerGeo Limited
Year of Publication
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Year of Publication:		 2022
Locations
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Locations:
County: Suffolk
Country: England
Parish: Levington
District: East Suffolk
Grid Reference: 623463, 240736 (Easting, Northing)
Subjects / Periods
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Subjects / Periods:
MAGNETOMETRY SURVEY (Event)
ROUND BARROW (Monument Type England)
BRONZE AGE ROUND BARROW (Tag)
LINEAR FEATURE (Monument Type England)
UNCERTAIN LINEAR FEATURE (Tag)
BRONZE AGE (Historic England Periods)
UNCERTAIN (Historic England Periods)
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OASIS Id: tigergeo1-505024
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Created Date
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Created Date:		 10 Mar 2023