Watson, N. and Wilkinson, K. (2018). CLEVE HILL SOLAR PARK, GRAVENEY, KENT: GEOARCHAEOLOGICAL BOREHOLE STUDY. ARCA. https://doi.org/10.5284/1109007. Cite this using datacite

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Title:		 CLEVE HILL SOLAR PARK, GRAVENEY, KENT: GEOARCHAEOLOGICAL BOREHOLE STUDY
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Series:		 ARCA unpublished report series
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arca1-504284_186588.pdf (3 MB) : Download
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https://doi.org/10.5284/1109007
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 Borehole survey Fifty-nine manual and four mechanical boreholes were drilled at the proposed site for Cleve Hill Solar Park, Graveney, Kent, in February and March 2018. The deposits encountered were divided into five main stratigraphic units that pertained to the Holocene and overlay the northward dipping London Clay Formation (LCF). These units were: intertidal muds, channel sands, gravels, colluvium and modern Made Ground. The great majority of the sediments were fine grained intertidal deposits that outcropped across the site between +2.14m OD at BH 30 in the south and +0.77m OD in BH A in the north. At the base of Graveney and Cleve Hills in the south, thin intertidal muds onlapped the rising LCF at the margin of the Marshes. The thickness of the deposits increased to greater than 8m in the north at the foot of the Sea Wall. The deposits consisted of interbedded light grey and very dark grey muds with rare horizontal laminae of silt/very fine sand, and occasional examples of Hydrobia ulvae (a brackish water mollusc) and Cerastoderma edule (the edible cockle – a marine species of Mollusca). The muds represent an accreting saltmarsh and tidal flat environment in response to rising sea level. Nine Deposit Zones were identified and classified according to their archaeological and palaeoenvironmental potential. Of these four are considered to be significant: Deposit Zone 1: where a deep sequence of intertidal muds has a low to moderate palaeoenvironmental potential; Deposit Zone 3: where the environment of deposition (a deep channel) most closely resembles the location of the Graveney boat discovery; Deposit Zone 4: marking the southern margin of the Marshes and the junction of dry land with waterlogged land where archaeological features might be found; and Deposit Zone 7: where creek and bank deposits may also have limited archaeological potential.
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Author:		 Nick Watson
K Wilkinson
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Publisher:		 ARCA
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Year of Publication:		 2018
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Locations:
Country: England
Parish: Graveney with Goodnestone
District: Swale
County: Kent
Grid Reference: 603890, 163948 (Easting, Northing)
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Subjects / Periods:
BOREHOLE SURVEY (Event)
UNCERTAIN PEAT (Tag)
PEAT (Object England)
UNCERTAIN (Historic England Periods)
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OASIS Id: arca1-504284
Report id: 1718-13
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Created Date:		 06 Jul 2023