Bomb-produced radiocarbon in the shell of the chambered nautilus: rate of growth and age at maturity

N. H. Landman, E. R M Druffel, J. K. Cochran, D. J. Donahue, A. J T Jull

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The temporal pattern of bomb-produced radiocarbon in the oceans provides a chronometer to estimate the rate of growth of marine organisms. Radiocarbon measurements by tandem accelerator mass spectrometry of samples from the septa and shell wall of a mature specimen of Nautilus macromphalus reveal progressively increasing values in more recently formed shell material. This pattern is similar to that recorded in a banded coral from surface waters of the Great Barrier Reef, Australia. However, the pre-bomb values of Δ14C are lower in the nautilus than in the coral. This offset is probably due to the difference in the respective habitat depths of the two animals. Taking this difference into account, we have used the temporal pattern of Δ14C in the coral as a point of reference to help interpret the pattern of Δ14C in the nautilus. According to our calculations, the age of the specimen of N. macromphalus is 10-12 years and the timing of septal formation ranges from ≥ 80 to 240 days/septum.

Original languageEnglish (US)
Pages (from-to)28-34
Number of pages7
JournalEarth and Planetary Science Letters
Volume89
Issue number1
DOIs
StatePublished - 1988

Fingerprint

Chronometers
age at maturity
Reefs
Surface waters
Particle accelerators
Mass spectrometry
coral
Animals
shell
septum
chronometers
accelerator mass spectrometry
barrier reef
reefs
habitats
surface water
organisms
animals
oceans
accelerators

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Bomb-produced radiocarbon in the shell of the chambered nautilus : rate of growth and age at maturity. / Landman, N. H.; Druffel, E. R M; Cochran, J. K.; Donahue, D. J.; Jull, A. J T.

In: Earth and Planetary Science Letters, Vol. 89, No. 1, 1988, p. 28-34.

Research output: Contribution to journalArticle

Landman, N. H. ; Druffel, E. R M ; Cochran, J. K. ; Donahue, D. J. ; Jull, A. J T. / Bomb-produced radiocarbon in the shell of the chambered nautilus : rate of growth and age at maturity. In: Earth and Planetary Science Letters. 1988 ; Vol. 89, No. 1. pp. 28-34.
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