期刊
JOURNAL OF QUATERNARY SCIENCE
卷 25, 期 5, 页码 612-616出版社
WILEY
DOI: 10.1002/jqs.1405
关键词
tephrochronology; radiocarbon dating; Mjauvotn tephra A; Faroe Islands; Holocene
Tephra horizons are potentially perfect time markers for dating and cross-correlation among diverse Holocene palaeoenvironmental records such as ice cores and marine and terrestrial sequences, but we need to trust their age. Here we present a new age estimate of the Holocene Mjauvotn tephra A using accelerator mass spectrometry C-14 dates from two lakes on the Faroe Islands. With Bayesian age modelling it is dated to 6668-6533 cal. a BP (68.2% confidence interval) - significantly older and better constrained than the previous age. Copyright (C) 2010 John Wiley & Sons, Ltd.
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