Watson, N. (2019). Borehole Survey at THE PEEL PRS SITE, CHATHAM WATERS, GILLINGHAM, KENT: GEOARCHAEOLOGY BOREHOLE REPORT. ARCA. https://doi.org/10.5284/1109012. Cite this using datacite

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Title:		 Borehole Survey at THE PEEL PRS SITE, CHATHAM WATERS, GILLINGHAM, KENT: GEOARCHAEOLOGY BOREHOLE REPORT
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Series:		 ARCA unpublished report series
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arca1-504636_186918.pdf (844 kB) : Download
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https://doi.org/10.5284/1109012
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 Borehole survey This document reports on two geoarchaeological boreholes drilled on the Peel PRS site, Chatham Waters, Gillingham, Kent. The work was carried out by ARCA on behalf of Cotswold Archaeology Ltd on 7th and 8th February 2019. The results from earlier geotechnical boreholes and trial pits are included. Seaford Chalk Formation lies between -6.90m OD (12.4m bgl) and -9.80m OD (15.3m bgl). It is overlain by Pleistocene gravels of the Halling Terrace that sub-crop between -3.80m OD (9.30m bgl) and -2.30m OD (c. 7.9 m bgl) and attain a maximum thickness of 7.5m. A basal peat overlies the gravels at c. -1.5 to -2.0m OD and is dated to 3966 – 3366 cal BC (Early Neolithic). Palynological evidence points to an alder carr woodland with possibly a sedge fen /reed swamp understorey. Lime-dominated, mixed deciduous woodland occupied the higher and dryer land. Intertidal deposits buried the basal peat until the Late Bronze Age when an upper peat dating to 1207 – 722 cal BC developed. The upper peat lies at -0.29m OD and is 0.15m thick. A more open wetland landscape was present at this time. There was considerably less alder carr and the presence of a saltmarsh component to the fen and reed swamp is noted. Dry land tree cover was also reduced. The peat was buried in the Early Iron Age by renewed intertidal sedimentation. Allochthonous, fragmentary peat particles and organic muds are found in later intertidal deposits. Peat growth appears to have taken place on two further occasions and is recorded at c. +3m OD and at c. +1.5m OD in a geotechnical borehole and trial pit. Made Ground truncates the sedimentary sequence. The pollen and plant macrofossils samples are recommended for analysis.
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Author:		 Nick Watson
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Publisher:		 ARCA
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Year of Publication:		 2019
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Locations:
Parish: Medway, unparished area
District: Medway
Country: England
County: Kent
Grid Reference: 577424, 169643 (Easting, Northing)
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Subjects / Periods:
BOREHOLE SURVEY (Event)
EARLY NEOLITHIC PEAT (Tag)
PEAT (Object England)
EARLY NEOLITHIC (Historic England Periods)
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OASIS Id: arca1-504636
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Created Date:		 06 Jul 2023