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The Holocene
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A rapid, non-destructive scanning method for detecting distal tephra layers in peats

Chris Caseldine

Department of Geography, School of Geography and Archaeology, Amory Building, University of Exeter, Exeter EX4 4RJ, UK

Andy Baker

Department of Geography, University of Newcastle-upon-Tyne, Newcastle-upon-Tyne NE1 7RE, UK

William L. Barnes

School of Physics, University of Exeter, Stocker Road, EX4 4QL, UK

Rapid, automatic scanning of reflectance variations along peat profiles from Corlea, central Ireland, known to contain prehistoric tephra layers dated to around 2300 cal. bc, has enabled the detection of these layers by non-destructive means. By using both light reflectance and luminescence properties it is believed that very thin and often discontinuous distal tephras characteristic of the Late Quaternary in northwest Europe may be detected within peat profiles.

Key Words: Tephra • reflectance • luminescence • peat • scanning method • Late Quaternary • Holocene • Corlea • Ireland

The Holocene, Vol. 9, No. 5, 635-638 (1999)
DOI: 10.1191/095968399666026772
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