Beryllium-10 in Australasian tektites: Evidence for a sedimentary precursor

D. K. Pal, C. Tuniz, R. K. Moniot, T. H. Kruse, G. F. Herzog

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Each of seven Australasian tektites contains about 1 × 108 atoms of beryllium-10 (half-life, 1.53 × 106 years) per gram. Cosmic-ray bombardment of the australites cannot have produced the measured amounts of beryllium-10 either at the earth's surface or in space. The beryllium-10 contents of these australites are consistent with a sedimentary precursor that adsorbed from precipitation beryllium-10 produced in the atmosphere. The sediments must have spent several thousand years at the earth's surface within a few million years of the tektite-producing event.

Original languageEnglish (US)
Pages (from-to)787-789
Number of pages3
Issue number4574
StatePublished - 1982

All Science Journal Classification (ASJC) codes

  • General


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