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Widespread mixing and burial of Earth’s Hadean crust by asteroid impacts

Author

Listed:
  • S. Marchi

    (Southwest Research Institute)

  • W. F. Bottke

    (Southwest Research Institute)

  • L. T. Elkins-Tanton

    (Carnegie Institution for Science
    Present address: School of Earth and Space Exploration, Arizona State University, Tempe, Arizona 85287, USA.)

  • M. Bierhaus

    (Museum für Naturkunde)

  • K. Wuennemann

    (Museum für Naturkunde)

  • A. Morbidelli

    (Observatoire de la Côte d’Azur)

  • D. A. Kring

    (Universities Space Research Association, Lunar and Planetary Institute)

Abstract

A new bombardment model of the early Earth, calibrated with existing lunar and terrestrial data, shows that the Earth’s surface would have been widely reprocessed by impacts through mixing and burial by impact-generated melt; the model may also explain the age distribution of ancient zircons and the absence of early terrestrial rocks.

Suggested Citation

  • S. Marchi & W. F. Bottke & L. T. Elkins-Tanton & M. Bierhaus & K. Wuennemann & A. Morbidelli & D. A. Kring, 2014. "Widespread mixing and burial of Earth’s Hadean crust by asteroid impacts," Nature, Nature, vol. 511(7511), pages 578-582, July.
    • Handle: RePEc:nat:nature:v:511:y:2014:i:7511:d:10.1038_nature13539
    DOI: 10.1038/nature13539
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