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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Europe
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Western Europe
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United Kingdom
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English Channel Islands
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Jersey (1)
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Great Britain
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Bristol Channel (3)
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England
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Bristol England (1)
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Devon England (1)
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Somerset England (1)
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Wales
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South Wales (2)
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Severn Estuary (4)
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Thames Estuary (2)
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elements, isotopes
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isotopes
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stable isotopes
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O-18/O-16 (1)
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oxygen
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O-18/O-16 (1)
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fossils
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Invertebrata
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Protista
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geochronology methods
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racemization (1)
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geologic age
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Primary terms
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Cenozoic
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Holocene
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upper Holocene (1)
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Pleistocene (1)
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engineering geology (1)
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Europe
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Western Europe
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United Kingdom
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English Channel Islands
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Jersey (1)
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Great Britain
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Bristol Channel (3)
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England
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Bristol England (1)
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Devon England (1)
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Somerset England (1)
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Wales
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South Wales (2)
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geochronology (1)
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geomorphology (1)
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glacial geology (1)
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Invertebrata
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Protista
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Foraminifera (1)
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isotopes
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stable isotopes
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O-18/O-16 (1)
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oxygen
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O-18/O-16 (1)
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Paleozoic
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rock mechanics (1)
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sea-level changes (1)
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sedimentary petrology (1)
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sedimentary rocks
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carbonate rocks
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limestone (1)
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sedimentation (2)
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sediments
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clastic sediments
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shorelines (1)
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sedimentary rocks
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sedimentary rocks
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carbonate rocks
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limestone (1)
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sedimentary structures
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sediments
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sediments
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clastic sediments
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Brean England
The Carboniferous Limestone of the Bristol area: a review of the influence of the lithology and chemistry on its use as a geomaterial
Catastrophic Wave Erosion, Bristol Channel, United Kingdom: Impact of Tsunami?
Selecting the location, and the initial investigation of the SERC soft clay test bed site
Sediment transport in the Severn Estuary during the past 8000–9000 years
The Pleistocene succession of the Severn Estuary: a revised model based upon amino acid racemization studies
Intertidal peats and the archaeology of coastal change in the Severn Estuary, Bristol Channel and Pembrokeshire
Abstract Dates for the beginning and end of intertidal and coastal peat formation are reviewed in the Severn Estuary, Bristol Channel and Pembrokeshire. Peat formation at many sites started between c. 6000–4000 Cal BC and in the Severn Estuary continued until c. 200 Cal BC . Archaeological evidence is concentrated at two main stages within the coastal sequences. Throughout the area Mesolithic sites underlie the earliest peat and relate to coastal exploitation just prior to the transgression represented by peat formation. During the main period of peat formation from the later Mesolithic to the early Bronze Age there is only small-scale human activity within the coastal peats. A second episode of concentrated human activity is confined to the Severn Estuary and occurs in the middle Bronze Age and Iron Age. Round and rectangular buildings and trackways are associated with the initial stages of marine transgressions which led to the burial of a coastal bog by minerogenic silts. A transgression in the middle Bronze Age c. 1400 Cal BC was followed by a regression phase, the main period of human activity at Goldcliff, this ended with a widespread transgression centred on in the third century BC The factors which attracted human activity at particular stages within the coastal sequence are considered, as is the relative visibility of human activity during each sedimentary stage. The contribution which archaeological evidence, particularly dendrochronological dating of wooden structures, can make to the dating of coastal change is emphasized.
Southwest England
Abstract The sequence and nature of Quaternary events have been determined principally from evidence in coastal sections, cave sequences and extensive spreads of unconsolidated sediments in the Somerset and Avon lowlands. Correlation is hampered by their isolated nature and scarcity of samples for dating. It is generally agreed that Southwest England was not overrun by Pleistocene ice sheets. Fragmentary evidence for the encroachment of an ice sheet along the present north coast, from the Isles of Scilly to north Devon, is, however, widely recorded. It takes the form of giant erratics on shore platforms (e.g. Saunton), possible glacigenic gravels (Isles of Scilly, Trebetherick and Lundy Island) and glacial deposits (Fremington) (Stephens 1973). This has led to the notion that the most extensive of the Pleistocene ice sheets reached its southernmost limit at or near the north Devon and Cornish coasts.
Palaeoenvironmental investigations of a Mesolithic–Neolithic sedimentary sequence from Queen’s Sedgemoor, Somerset
Abstract A sediment core extracted from Queen’s Sedgemoor, Somerset, SW England, has undergone high-resolution radiocarbon dating, with subsequent directed palynological, diatom, microfossil and mollusc analyses focusing on the sedimentary sequence associated with the late Mesolithic and early Neolithic periods. The microfossil and macrofossil evidence supports stratigraphic evidence for hydroseral succession and the subsequent development of a raised bog. Such palaeoenvironmental investigations provided evidence of the changing character of the wetlands at a time when there is evidence of Mesolithic activity elsewhere in the Somerset Levels. While very low pollen counts limited the interpretive potential of deposits associated with the Mesolithic–Neolithic transition, the multi-proxy micropalaeontological study has revealed a clear picture of landscape change for much of the sedimentary archive, and has identified a new freshwater body within the Somerset Levels in an area of known human activity from the late Mesolithic onwards.