Watson, N. (2019). Lower Otter Valley Restoration Project: Geoarchaeological DBA. ARCA. https://doi.org/10.5284/1082875. Cite this using datacite

Title
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Title:
Lower Otter Valley Restoration Project: Geoarchaeological DBA
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ARCA unpublished report series
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arca1-394629_1.pdf (2 MB) : Download
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https://doi.org/10.5284/1082875
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Report (in Series)
Abstract
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Abstract:
A geoarchaeological desk-based assessment of geotechnical records and British Geological Survey (BGS) records in the Lower Otter Valley, Devon, was carried out as part of the proposed Restoration Project. The Triassic bedrock, Helsby Sandstone Formation, is found between +0.20m OD (3m bgl) and -8.69m OD (9.7m bgl). It is unconformably overlain by Devensian river sands and gravels that are found between +0.48m OD (0.37m bgl) and -6.03m OD (9.7m bgl); the former is located in the north of the study area and the latter in the south on the estuary. Intertidal and alluvial aggradation has laid down fine grained deposits that include peat and organic strata. They are found between +1.25m OD and -0.33m OD. They attain a thickness of 5.7m. Made Ground tops the stratigraphic sequence.Peat deposits of high palaeoenvironmental potential are found in BH1 and below the historic landfill site. The thickness of the peat is at least 1.20m. Organic strata of moderate palaeoenvironmental potential (1.70m thick) may represent in situ saltmarsh at -4.53m OD
Author
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Author:
Nick Watson
Publisher
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ARCA
Other Person/Org
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Other Person/Org:
Historic England (OASIS Reviewer)
Devon Historic Environment Record (OASIS Reviewer)
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Year of Publication:
2019
Locations
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Locations:
Site: Lower Otter Valley
County: Devon
District: East Devon
Parish: BUDLEIGH SALTERTON
Country: England
Grid Reference: 307472, 81972 (Easting, Northing)
Grid Reference: 307619, 84902 (Easting, Northing)
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TEST PIT (Event)
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OASIS Id: arca1-394629
OBIB: 1819-15
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Digital A4
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Created Date
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Created Date:
22 Oct 2020