(1997) Discussion on Sm–Nd isotopic age of Precambrian–Cambrian boundary in China. Geological Magazine, 134 (4) 571-574 doi:10.1017/s0016756897007474
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Discussion on Sm–Nd isotopic age of Precambrian–Cambrian boundary in China | ||
| Journal | Geological Magazine | ||
| Year | 1997 (July) | Volume | 134 |
| Issue | 4 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s0016756897007474Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 257438 | Long-form Identifier | mindat:1:5:257438:1 |
| GUID | 0 | ||
| Full Reference | (1997) Discussion on Sm–Nd isotopic age of Precambrian–Cambrian boundary in China. Geological Magazine, 134 (4) 571-574 doi:10.1017/s0016756897007474 | ||
| Plain Text | (1997) Discussion on Sm–Nd isotopic age of Precambrian–Cambrian boundary in China. Geological Magazine, 134 (4) 571-574 doi:10.1017/s0016756897007474 | ||
| In | (1997, July) Geological Magazine Vol. 134 (4) Cambridge University Press (CUP) | ||
| Abstract/Notes | M. J. M. Turnbull & S. Moorbath comment: The paper of Yang et al. (1996) describes a novel dating approach, using the Sm–Nd method on phosphatic material, to determine the age of the Precambrian–Cambrian boundary. The dates reported are of a precision which, in light of the relatively small range of 147Sm/144 Nd ratios (0.09–0.17), is surprising. We have recalculated the published data using the ISOPLOT program of Ludwig (1991) and this is shown below in Table 1. These results cast considerable doubt on the statistical analysis of Yang et al. (1996). While this technique may have utility with Precambrian successions it would appear to be of limited use for the high precision dating required for Phanerozoic stratigraphic correlation. | ||
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