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Holocene comment and reply

Hekla-4 ash, the pine decline in Northern Ireland and the effective use of tephra isochrones: a comment on Hall, Pilcher and McCormac

Department of Archaeology and Prehistory, University of Sheffield, Sheffield S10 2TN, UK

Andrew J. Dugmore

Department of Geography, University of Edinburgh, Edinburgh EH8 9XP, UK

Paul C. Buckland

Department of Archaeology and Prehistory, University of Sheffield, Sheffield S10 2TN, UK

Jeffrey J. Blackford

Department of Geography, University of Durham, Durham DH1 3LE

Gordon T. Cook

Scottish Universities Research Reactor Centre, East Kilbride, Glasgow G75 0QU

In response to a paper by Blackford et al. (1992) which showed a coincidence between the deposition of Hekla-4 tephra and a decline of Pinus pollen in two northern Scottish sites, Hall et al. (1994) investigated the tephra/pine pollen relationship at two sites in Northern Ireland. We argue that their sites are inappropriate for such comparison because pine was effectively absent from Co. Antrim long before the deposition of Hekla-4. The opportunity is taken to make some additional points concerning the Irish data and the wider use of tephra isochrones.

Key Words: Tephra • Hekla-4 • Pinus sylvestris • pine decline • Ireland • Scotland.

The Holocene, Vol. 6, No. 4, 495-496 (1996)
DOI: 10.1177/095968369600600415


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