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Secondary magnetite in ancient zircon precludes analysis of a Hadean geodynamo

Zircon crystals from the Jack Hills, Western Australia, are one of the few surviving mineralogical records of Earth’s first 500 million years and have been proposed to contain a paleomagnetic record of the Hadean geodynamo. A prerequisite for the preservation of Hadean magnetization is the presence...

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Pubblicato in:Proc Natl Acad Sci U S A
Autori principali: Tang, Fengzai, Taylor, Richard J. M., Einsle, Josh F., Borlina, Cauê S., Fu, Roger R., Weiss, Benjamin P., Williams, Helen M., Williams, Wyn, Nagy, Lesleis, Midgley, Paul A., Lima, Eduardo A., Bell, Elizabeth A., Harrison, T. Mark, Alexander, Ellen W., Harrison, Richard J.
Natura: Artigo
Lingua:Inglês
Pubblicazione: National Academy of Sciences 2019
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC6329971/
https://ncbi.nlm.nih.gov/pubmed/30598434
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1811074116
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