Communications Earth & Environment (Sep 2021)

Old subcontinental mantle zircon below Oahu

  • John D. Greenough,
  • Sandra L. Kamo,
  • Donald W. Davis,
  • Kyle Larson,
  • Zhen Zhang,
  • Daniel Layton-Matthews,
  • Joan De Vera,
  • Bridget A. Bergquist

DOI
https://doi.org/10.1038/s43247-021-00261-0
Journal volume & issue
Vol. 2, no. 1
pp. 1 – 9

Abstract

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Oceanic mantle-derived zircon grains recovered from pyroxenite xenoliths in Hawaii have 14-million-year-old rims, Cretaceous cores and Proterozoic lutetium-hafnium model-ages, according to mass spectrometry and electron microprobe analyses.