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- Title
Fission-track dating of pumice from the KBS Tuff, East Rudolf, Kenya.
- Authors
Hurford, Anthony J.; Gleadow, A. J. W.; Naeser, C. W.
- Abstract
Fission-track dating of zircon separated from two pumice samples from the KBS Tuff in the Koobi Fora Formation, in Area 131, East Rudolf, Kenya, gives an age of 2.44±0.08 Myr for the eruption of the pumice. This result is compatible with the previously published K-Ar and 40Ar/39Ar age spectrum estimate of 2.61±0.26 Myr for the KBS Tuff in Area 105, but differs from the more recently published K-Ar date of 1.82±0.04 Myr for the KBS Tuff in Area 131. This study does not support the suggestion that pumice cobbles of different ages occur in the KBS Tuff.
- Publication
Nature, 1976, Vol 263, Issue 5580, p738
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/263738a0