Watson, N. (2020). FORMER BRITISH HOME STORES, GLOUCESTER: GEOARCHAEOLOGICAL ASSESSMENT OF BOREHOLE STRATIGRAPHY. ARCA. https://doi.org/10.5284/1097355. Cite this using datacite

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Title:		 FORMER BRITISH HOME STORES, GLOUCESTER: GEOARCHAEOLOGICAL ASSESSMENT OF BOREHOLE STRATIGRAPHY
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Series:		 ARCA unpublished report series
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arca1-505095_187502.pdf (1 MB) : Download
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DOI
https://doi.org/10.5284/1097355
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 Borehole survey This document reports on the geoarchaeological significance of strata recorded in four geoarchaeological boreholes and one geotechnical borehole all drilled by Geotechnical Engineering Ltd at the former British Home Stores site in the city of Gloucester, Gloucestershire. The geoarchaeological work was carried out by ARCA on behalf of Cotswold Archaeology Ltd in August and October 2020. The following sedimentary sequence was found on the site: 1. Made Ground 2. Archaeological Strata 3. Cheltenham Sand and Gravel 4. Blue Lias and Charmouth Mudstone Formation (Triassic: Lias Group bedrock). The Lias Group bedrock was found between 13.32m OD (5.01m bgl) in BH2 in the north and 15.17m OD (3.25m bgl) in BH1 in the southwest of the site. Superficial geological strata aggraded over the weathered mudstone and are composed of a heterogeneous assemblage of sandy gravels, sands and silt/clays that may, in part, represent the Holt Heath Sand and Gravel Member terrace on altitudinal evidence. The strata occupy a maximum of 1.28m in thickness. The superficial geology is absent from BH5 where archaeological deposits truncate the bedrock. A fill of a possible minor channel containing ceramic building material (cbm) truncates the superficial geology in BH2. Archaeological deposits are varied in thickness (maximum c. 3.5m in BH2) and lithology. They appear to represent layers of demolition and humic silt clays of undetermined origin. Aside from fragments of a possible Roman brick and grains of cbm, no artefactual or palaeoenvironmental material was recorded.
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Author:		 Nick Watson
Publisher
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Publisher:		 ARCA
Year of Publication
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Year of Publication:		 2020
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Locations:
County: Gloucestershire
District: Gloucester
Country: England
Parish: Gloucester, unparished area
Grid Reference: 383292, 218470 (Easting, Northing)
Subjects / Periods
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Subjects / Periods:
BOREHOLE SURVEY (Event)
ALLUVIUM (Object England)
ROMAN ALLUVIUM (Tag)
ROMAN (Historic England Periods)
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OASIS Id: arca1-505095
Report id: 2021-9
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Created Date
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Created Date:		 18 Jul 2022