Enhancing understanding of breakdown and collapse in the Yorkshire Dales using ground penetrating radar on cave sediments |
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Authors: | P Murphy AR Westerman R Clark A Booth A Parr |
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Institution: | aSchool of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom;bInstitute of Petroleum Engineering, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom |
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Abstract: | Historical evidence shows block breakdown and collapse are actively occurring in large fault aligned caverns in the Yorkshire Dales karst. Deployment of ground penetrating radar at two such sites has provided detailed images of the sedimentary sequences below the present day cavern floor but no large blocks are imaged within the sediments. Solutional processes must be removing limestone from the sediment to allow continued cavern growth. Possible mechanisms to account for the lack of large blocks within the sediment fill are discussed. |
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Keywords: | Karst Cavern Collapse Sediments Ground penetrating radar |
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