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14C and 10Be around 1650 cal BC

Author:
  • Raimund Muscheler
Editor:
  • Warburton David A.
Publishing year: 2009
Language: English
Pages: 275-284
Publication/Series: Time's up! : dating the Minoan eruption of Santorini
Volume: 10
Document type: Book chapter
Publisher: Danish Institute at Athens

Abstract english

There is a debate about the date of the Minoan eruption of Santorini as reconstructed from a branch of an olive tree that was buried alive in trephra on Santorini2 and the dating of an ice core horizon attributed to this eruption.3 The olive branch was 14C-wiggle matched to the 14C calibration curve and yielded an age range of 1627-1600 bc4 while the counting of annual layers in the Greenland ice cores produced an age of 1642 (±5) bc.5 Here I will study the relative timing of the two time scales by comparing the cosmic ray signal as recorded by

14C in tree rings and 10Be in ice cores. The result reveals an intriguing age difference that is similar to the dating difference mentioned above. The origin of the difference is unclear. This analysis supports both the dating of the Santorini eruption with the olive branch and the identification of this eruption in the ice cores, but it suggests unrecognised uncertainties in the tree ring 14C data, the ice core chronology or both.

Keywords

  • Geology

Other

Published
  • ISSN: 1397-1433
  • ISBN: 978-87-7934-024-4
Raimund Muscheler
E-mail: raimund.muscheler [at] geol.lu.se

Professor

Quaternary Sciences

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