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
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 |