Racemization-derived late Devensian temperature reduction in Scotland

G. H. Miller, A. J.T. Jull, T. Linick, D. Sutherland, H. P. Sejrup, J. K. Brigham, D. Q. Bowen, J. Mangerud

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


We report here that shells of the marine bivalve mollusc Arctica islandica, collected near King Edward, Scotland, yield isoleucine epimerization D/L ratios only slightly higher than ratios in late-glacial specimens of the same taxon collected from nearby sites. We have determined the ages of two of the King Edward shells by tandem-accelerator mass spectrometry (TAMS) radiocarbon dating to be >40kyr. From the difference in D/L ratios, we calculate the average temperature depression during the last glaciation to have been ≥9 °C below Holocene temperatures.

Original languageEnglish (US)
Pages (from-to)593-595
Number of pages3
Issue number6113
StatePublished - 1987

ASJC Scopus subject areas

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