Title: |
Geophysical Survey, Magnetometry Survey at Ratcliffe on Soar Power Station |
Series: |
Wessex Archaeology unpublished report series
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Downloads: |
wessexar1-504453_213555.pdf (22 MB)
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Biblio Note |
This report was uploaded to the OASIS system by the named Publisher. The report has been transferred into the ADS Library for public access and to facilitate future research.
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Licence Type: |
ADS Terms of Use and Access
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DOI |
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Publication Type: |
Report (in Series)
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Abstract: |
The cart-based gradiometer system used a Leica Captivate RTK GNSS instrument, which receives corrections from a network of reference stations operated by the Ordnance Survey (OS) and Leica Geosystems. Such instruments allow positions to be determined with a precision of 0.02 m in real-time and therefore exceeds European Archaeologiae Consilium recommendations (Schmidt et al. 2015).
The detailed gradiometer survey was conducted using four SenSys FGM650/3 gradiometers, with an effective sensitivity of 0.03 nT, mounted at 1 m intervals on a non-magnetic cart frame towed by an All-Terrain Vehicle (ATV). The south-west of the site has provided evidence for extensive archaeological settlement activity. This activity presents as a series of rectilinear, and/or curvilinear, enclosures radiating north and south from a central throughway. The data suggests this activity continues to the west, outside of the survey boundary, and is evident from aerial photography and LiDAR. It is possible that these features are indicative of a ladder settlement associated with a manorial complex to the west of the site.
Further anthropogenic activity is evident towards the north of the site, in the form of linear enclosure ditch features. Other areas of weaker magnetic response indicate activity across the wider landscape, including circular features and ridge and furrow ploughing.
Evidence of modern land management is present towards the centre of the site, where a rectangular area of increased magnetic response, coupled with cropmarks from aerial photography, is potentially associated with previous ash field management.
Numerous further areas of increased magnetic response related to the power lines and a former field boundary, as seen on historic mapping from 1888-1913, have been noted.
A swath of superficial geology to the north is evident in the data and is most likely related to a Diamicton sedimentary deposit. |
Author: |
Brett Howard
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Publisher: |
Wessex Archaeology
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Other Person/Org: |
Nottinghamshire HER (OASIS Reviewer)
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Year of Publication: |
2022
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Locations: |
District: |
Rushcliffe |
Country: |
England |
Parish: |
Ratcliffe on Soar |
County: |
Nottinghamshire |
Grid Reference: 450696, 329660 (Easting, Northing)
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Subjects / Periods: |
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Identifiers: |
OASIS Id: |
wessexar1-504453 |
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Source: |
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Relations: |
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Created Date: |
15 Aug 2023 |