Kinsley, G. and Keyworth, T. (2018). Nottingham Castle Visitor Centre. Geoarchaeological Borehole Monitoring. Nottingham: Trent & Peak Archaeology. https://doi.org/10.5284/1076016. Cite this using datacite

Title
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Title:		 Nottingham Castle Visitor Centre. Geoarchaeological Borehole Monitoring
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Series:		 Trent & Peak Archaeology unpublished report series
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Downloads:
trentpea1-312531_1.pdf (11 MB) : Download
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DOI
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DOI
https://doi.org/10.5284/1076016
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 A total of eighteen geotechnical cores were monitored within the proposed visitor centre, which indicated a deep sequence of deposits to a depth of up to 10m below ground level, with medieval artefacts lying chiefly at depths between 2.5 and 6.6m bgl. Two cores were retained for potential further analysis. A total of two samples of organic sediment were submitted for age determination which returned a date of c.983-1154 cal AD at a depth of 5.44mbgl. In addition WS28 was submitted for OSL dating which returned age determinations of 11.3 ka BP at 4.64mbgl, 45.6 ka BP at 6.66m bgl and 138.4ks BP at 8.61mbgl. The nature and depth of the deposits were fairly consistent across the eighteen recorded cores. The presence of a thin waterlogged organic deposit may represent in situ accumulation possibly within a feature or layer and has been shown to date to the medieval period. In addition, WS15 recorded a large piece of sandstone and WS27, 29 and 30 recorded grey sandstone, which may suggest potential for structural remains, however this is far from certain and further ground-truthing is required to establish the nature of this deposit. The majority of the sequence was characterised by coarse sand the origins of which are difficult to determine based solely on macroscopic inspection. The OSL dating has demonstrated that these deposits accumulated in cold-climate conditions between the Last Glacial Maximum and the Younger Dryas. The environment of these periods is characterised by alpine-tundra with areas of permafrost leading to erosion and soil movement through freeze-thaw action. The deposits recorded below 4.64m are likely to have accumulated under these conditions.
Author
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Author:		 Gavin Kinsley ORCID icon
T Keyworth
Publisher
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Publisher:		 Trent & Peak Archaeology
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Other Person/Org:		 Historic England (OASIS Reviewer)
Nottingham City HER (OASIS Reviewer)
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Year of Publication:		 2018
Locations
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Locations:
Site: Nottingham Castle Visitor Centre
County: Nottinghamshire
District: Nottingham
Parish: NOTTINGHAM
Country: England
Grid Reference: 456912, 339449 (Easting, Northing)
Subjects / Periods
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Subjects / Periods:
POST MEDIEVAL (Historic England Periods) ANIMAL REMAINS (Object England)
MEDIEVAL (Historic England Periods) SHERD (Object England)
POST MEDIEVAL (Historic England Periods) SHERD (Object England)
POST MEDIEVAL (Historic England Periods) PALACE (Monument Type England)
TEST PIT (Event)
WATCHING BRIEF (Event)
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OASIS Id: trentpea1-312531
OBIB: 074/2018
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Note:		 Grey literature, PDFa
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Created Date
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Created Date:		 30 Apr 2020