Racemization-derived late Devensian temperature reduction in Scotland

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

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Abstract

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
JournalNature
Volume326
Issue number6113
StatePublished - 1987

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racemization
Devensian
shell
last glaciation
accelerator mass spectrometry
radiocarbon dating
late glacial
mollusc
bivalve
temperature
Holocene

ASJC Scopus subject areas

  • General

Cite this

Miller, G. H., Jull, A. J. T., Linick, T., Sutherland, D., Sejrup, H. P., Brigham, J. K., ... Mangerud, J. (1987). Racemization-derived late Devensian temperature reduction in Scotland. Nature, 326(6113), 593-595.

Racemization-derived late Devensian temperature reduction in Scotland. / Miller, G. H.; Jull, A.J. Timothy; Linick, T.; Sutherland, D.; Sejrup, H. P.; Brigham, J. K.; Bowen, D. Q.; Mangerud, J.

In: Nature, Vol. 326, No. 6113, 1987, p. 593-595.

Research output: Contribution to journalArticle

Miller, GH, Jull, AJT, Linick, T, Sutherland, D, Sejrup, HP, Brigham, JK, Bowen, DQ & Mangerud, J 1987, 'Racemization-derived late Devensian temperature reduction in Scotland', Nature, vol. 326, no. 6113, pp. 593-595.
Miller GH, Jull AJT, Linick T, Sutherland D, Sejrup HP, Brigham JK et al. Racemization-derived late Devensian temperature reduction in Scotland. Nature. 1987;326(6113):593-595.
Miller, G. H. ; Jull, A.J. Timothy ; Linick, T. ; Sutherland, D. ; Sejrup, H. P. ; Brigham, J. K. ; Bowen, D. Q. ; Mangerud, J. / Racemization-derived late Devensian temperature reduction in Scotland. In: Nature. 1987 ; Vol. 326, No. 6113. pp. 593-595.
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