Comment on "Neodymium-142 evidence for Hadean mafic crust".
editorial · Level V
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- Record sourced from PubMed, PMID 19608899.
- Also identified by DOI 10.1126/science.1169604.
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Abstract
O'Neil et al. (Reports, 26 September 2008, p. 1828) presented neodymium-142 data for rocks from northern Quebec, Canada, and suggested that these rocks may represent the oldest preserved crustal section on Earth. We argue that the age of the rocks is based on a spurious correlation between rocks that are probably not co-genetic and negative (142)Nd anomalies that may be the result of an analytical artifact.