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Olivine water contents in the continental lithosphere and the longevity of cratons

Author

Listed:
  • Anne H. Peslier

    (Jacobs Technology, ESCG, Mail Code JE23, 2224 Bay Area Boulevard, Houston, Texas 77058, USA
    Astromaterials Research and Exploration Science, NASA-Johnson Space Center)

  • Alan B. Woodland

    (Institute of Geosciences, University of Frankfurt, Altenhöferallee 1, D-60438 Frankfurt am Main, Germany)

  • David R. Bell

    (School of Earth & Space Exploration, Arizona State University, 550 East Tyler Mall, Tempe, Arizona 85287, USA)

  • Marina Lazarov

    (Institute of Geosciences, University of Frankfurt, Altenhöferallee 1, D-60438 Frankfurt am Main, Germany)

Abstract

Mantle separation Cratons, the ancient cores of continents, extend laterally for hundreds of kilometres, and are underlain to depths of 180 km to 250 km by mantle roots that are chemically and physically distinct from the surrounding mantle. But how these large portions of the mantle can stay isolated for so long from mantle convection has remained an open question. Anne Peslier and colleagues show that olivine components in peridotite xenoliths from the lithosphere–asthenosphere boundary region of the Kaapvaal Craton mantle root are water-poor, thereby providing sufficient viscosity contrast with the underlying asthenosphere to explain how they have resisted recycling into Earth's mantle.

Suggested Citation

  • Anne H. Peslier & Alan B. Woodland & David R. Bell & Marina Lazarov, 2010. "Olivine water contents in the continental lithosphere and the longevity of cratons," Nature, Nature, vol. 467(7311), pages 78-81, September.
    • Handle: RePEc:nat:nature:v:467:y:2010:i:7311:d:10.1038_nature09317
    DOI: 10.1038/nature09317
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    Cited by:

    1. Yunhua Fu & Renbiao Tao & Lifei Zhang & Shijie Li & Ya-Nan Yang & Dehan Shen & Zilong Wang & Thomas Meier, 2024. "Trace element detection in anhydrous minerals by micro-scale quantitative nuclear magnetic resonance spectroscopy," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    2. Jinhui Wu & Yibo Wang & Lijuan He & Lijuan Wang & Junpeng Guan & Jun Chen & Zhuting Wang & Yaqi Wang & Shengbiao Hu, 2024. "Differences and Causal Mechanisms in the Lithospheric Thermal Structures in the Cratons in East China: Implications for Their Geothermal Resource Potential," Energies, MDPI, vol. 17(7), pages 1-19, April.

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