Brennan, N. (2020). Long Curtain and Southsea castle, Portsea Island, Hampshire: Additional GI Works Archaeological Watching Brief. Wessex Archaeology. https://doi.org/10.5284/1090216. Cite this using datacite

Title
Title
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Title:		 Long Curtain and Southsea castle, Portsea Island, Hampshire: Additional GI Works Archaeological Watching Brief
Series
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Series:		 Wessex Archaeology unpublished report series
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Downloads:
wessexar1-384305_1.pdf (3 MB) : Download
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DOI
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DOI
https://doi.org/10.5284/1090216
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 Wessex Archaeology carried out archaeological and geoarchaeological monitoring of Geotechnical Investigation works for the Southsea Coastal Defence Scheme. These GI works were located within or adjacent to the Scheduled Monument Boundary of Long Curtain, King's Bastion and Spur Redoubt (list entry 1008754) and Southsea Castle (list entry 1001869), NGR 463312, 99103 and NGR 464312, 98076. The investigations were undertaken in September and October 2019. Within the area of Long Curtain Moat boreholes located compact clay and gravel deposits beneath the modern construction deposits. While these could relate to the former defences, concrete was also located suggesting a more modern date, potentially relating to the construction of the sea wall. A borehole and test pit were located within the former moat. A brick deposit encountered within the borehole may indicate a brick lining for the moat. The moat was backfilled c.1870 and backfill contexts were observed in both trenches. Two of the test pit trenches were situated adjacent to King's Bastion. These located gravel rich deposits beneath modern made ground. These gravel rich deposits are believed to represent material from the earthworks of the bastion. The watching brief indicates limited evidence for surviving buried archaeological remains from the earlier fortifications at Long Curtain Moat. Boreholes excavated seaward of Southsea Castle located only modern made ground situated directly onto storm beach deposits. To the rear of the castle there was evidence of landscaping and truncation. This suggests a low potential for surviving archaeological remains within these areas.
Author
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Author:		 Naomi Brennan ORCID icon
Publisher
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Publisher:		 Wessex Archaeology
Other Person/Org
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Other Person/Org:		 Historic England (OASIS Reviewer)
Portsmouth City HER (OASIS Reviewer)
Year of Publication
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Year of Publication:		 2020
Locations
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Locations:
Site: Long Curtain and Southsea Castle
County: Hampshire
District: Portsmouth
Parish: PORTSMOUTH
Country: England
Grid Reference: 463310, 91030 (Easting, Northing)
Grid Reference: 464310, 98070 (Easting, Northing)
Subjects / Periods
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Subjects / Periods:
WATCHING BRIEF (Event)
MARITIME (AO Cat Resource Type)
MEDIEVAL (Historic England Periods) CASTLE (Monument Type England)
POST MEDIEVAL (Historic England Periods) CERAMIC (Object England)
Identifiers
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OASIS Id: wessexar1-384305
OBIB: report number 118662.03
Note
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Note:		 A4 bound client report
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Created Date
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Created Date:		 29 Oct 2021