The natural thermoluminescence of meteorites VI

carbon-14, thermoluminescence and the terrestrial ages of meteorites

P. H. Benoit, A.J. Timothy Jull, S. W S McKeever, D. W G Sears

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Research on meteorite finds, especially those from the Antarctic and from desert regions in Australia, Africa, and America, has become increasingly important, notably in studies of possible changes in the nature of the meteorite flux in the past. One important piece of information needed in the study of such meteorites is their terrestrial age which can be determined using a variety of methods, including 14C, 36Cl and 81Kr. Natural thermoluminescence (TL) levels in meteorites can also be used as an indicator of terrestrial age. The paper compares 14C-determined terrestrial ages with natural TL levels in finds from the Prairie States (central United States), a group of finds from Roosevelt County (New Mexico, USA), and a group from the Sahara Desert TL data is presented for a group of meteorites from the Sahara desert which has not been studied using cosmogenic radionuclides. Within these data there are distinct terrestrial age clusters which probably reflect changes in meteorite preservation efficiency over ~15 000 yr in the region. -from Authors

Original languageEnglish (US)
Pages (from-to)196-203
Number of pages8
JournalMeteoritics
Volume28
Issue number2
StatePublished - 1993
Externally publishedYes

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carbon 14
thermoluminescence
meteorites
meteorite
carbon isotope
Sahara Desert (Africa)
desert
cosmogenic radionuclide
grasslands
deserts
radioactive isotopes
prairie

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

The natural thermoluminescence of meteorites VI : carbon-14, thermoluminescence and the terrestrial ages of meteorites. / Benoit, P. H.; Jull, A.J. Timothy; McKeever, S. W S; Sears, D. W G.

In: Meteoritics, Vol. 28, No. 2, 1993, p. 196-203.

Research output: Contribution to journalArticle

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