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The research aims to explore Holocene floodplain sediments and their archaeological significance in the Olway Valley.

April 10, 2026Open Access

Holocene floodplain sediments and associated archaeology of the Olway Valley (Gwent, UK):an excavation report

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The research aims to explore Holocene floodplain sediments and their archaeological significance in the Olway Valley.
Conducted excavation and coring survey of floodplain sediments
Analyzed sediment layers to a depth of over 3 meters
Documented archaeological finds associated with the alluvium
Identified over 3m of Holocene floodplain alluvium above bedrock
Recovered two Neolithic flint tools and a Roman pot sherd
Noted a medieval stone layer from a thirteenth-century building
Found a mix of nineteenth- and twentieth-century artefacts related to floodplain drainage initiation

Abstract

Report on an excavation and coring survey to investigate floodplain sediments of the Olway Valley, Gwent, demonstrating over 3m of Holocene floodplain alluvium overlying bedrock close to the valley side in the parish of Llangeview. Archaeology associated with the alluvium includes two Neolithic flint tools; a Roman pot sherd; an extensive medieval stone layer constructed from the debris of a thirteenth-century building, a mixed nineteenth- and twentieth-century artefact assemblage with evidence for the initiation of floodplain drainage.

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Simon K. Haslett

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Holocene floodplain sediments and associated archaeology of the Olway Valley (Gwent, UK):an excavation report

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