10Be contents of Mono Lake sediments: search for enhancement during a geomagnetic excursion

T. Ticich, L. Lundberg, D. K. Pal, C. M. Smith, G. F. Herzog, R. K. Moniot, C. Tuniz, W. Savin, T. H. Kruse, J. C. Liddicoat

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We report the 10Be and Be contents of 22 sediment samples of lacustrine silt from the Wilson Creek section of Mono Lake, California. The section spans about 20–35 kyr bp and contains a record of a geomagnetic excursion for which the relative palaeointensity is estimated from the ratio of natural remanent magnetization to anhysteretic remanent magnetization. The 10Be contents of the excursion samples are somewhat higher than the average of non‐excursion samples (0.24 ± 0.02 versus 0.15 ± 0.02 dpm kg−1). It is clear however that geomagnetic effects are not the sole cause of the observed variations.

Original languageEnglish (US)
Pages (from-to)487-492
Number of pages6
JournalGeophysical Journal of the Royal Astronomical Society
Volume87
Issue number2
DOIs
StatePublished - Nov 1986

All Science Journal Classification (ASJC) codes

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

Keywords

  • Be production
  • geomagnetic excursion
  • lake sediments

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