Lu-hf total-rock isochron for the eucrite meteorites
Nature
By: P. J. Patchett and M. Tatsumoto
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Abstract
The isotope 176Lu (2.6% of natural lutetium) decays by ??- to 176Hf, with a long half life. We present here the first Lu-Hf isochron. The eucrite meteorites, a suite of planetary igneous rocks of known age, 4,550 Myr, define a 10-point total-rock isochron with a slope of 0.0934 ?? 40, leading to a value of 3.53 ?? 0.14 ??1010yr for the ??--decay half life of 176Lu. The isochron intercept of 0.27973 ?? 12 gives the initial 176Hf/177Hf for the inner Solar System at the time of accretion. ?? 1980 Nature Publishing Group.
Suggested Citation
Patchett, P., Tatsumoto, M., 1980, Lu-hf total-rock isochron for the eucrite meteorites: Nature, v. 288, no. 5791, p. 571-574, https://doi.org/10.1038/288571a0.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Lu-hf total-rock isochron for the eucrite meteorites |
| Series title | Nature |
| DOI | 10.1038/288571a0 |
| Volume | 288 |
| Issue | 5791 |
| Year Published | 1980 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Nature |
| First page | 571 |
| Last page | 574 |