Fission-track dating of pumice from the KBS Tuff, East Rudolf, Kenya
Nature
By: A.J. Hurford, A.J.W. Gleadow, and C. W. Naeser
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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
Suggested Citation
Hurford, A., Gleadow, A., Naeser, C.W., 1976, Fission-track dating of pumice from the KBS Tuff, East Rudolf, Kenya: Nature, v. 263, no. 5580, p. 738-740, https://doi.org/10.1038/263738a0.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Fission-track dating of pumice from the KBS Tuff, East Rudolf, Kenya |
| Series title | Nature |
| DOI | 10.1038/263738a0 |
| Volume | 263 |
| Issue | 5580 |
| Year Published | 1976 |
| Language | English |
| Publisher | Nature |
| Description | 3 p. |
| First page | 738 |
| Last page | 740 |
| Country | Kenya |