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April 10, 20260 citationsOpen Access

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

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SHSimon K. HaslettSwansea University

Key Points

  • 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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Cite This Study

Simon K. Haslett (2026) studied this question.

synapsesocial.com/papers/69d895d86c1944d70ce06e91https://doi.org/10.5284/1140219
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Early to mid-Holocene (Mesolithic-Neolithic) development of the Olway Valley (Central Gwent, UK) and its archaeological potential2026
  2. 2Archaeologically-dated horizons in Olway Valley floodplain alluvium at Usk (Gwent, UK)2026
  3. 3Excavations at Abergavenny, 1962-69: I, Prehistoric and Roman finds2026
  4. 4Extension to New Denham Quarry (Phase 5) Denham, Buckinghamshire: Geoarchaeological Mitigation and Updated Deposit Model2024
  5. 5Fieldwork report for archaeological monitoring at C25145 Twyford Padbury Brook2022