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Showing 1–3 of 3 results
Advanced filters: Author: Christophe Hemond Clear advanced filters

  • Earth’s crust diverges and extends along mid-ocean ridges. Analyses of gravity and seismic data from the equatorial Atlantic show that propagation of ridge segments can compress the crust and create sufficient uplift to create small islands.

    • Marcia Maia
    • Susanna Sichel
    • Pedro Oliveira
    Research
    Nature Geoscience
    Volume: 9, P: 619-623

  • Examination of the Easter hotspot reveals it as part of a vast, deep-seated mantle system, influencing seafloor spreading and shaping the Pacific Ocean, which challenges the view of hotspots as isolated volcanic centres.

    • John M. O’Connor
    • Marcel Regelous
    • Daniel E. Heaton
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-16

  • Radiogenic isotopes in oceanic basalts provide a window into the different geochemical components making up Earth’s mantle. Here, the authors provide data from volcanic glasses along the East Pacific Rise with an unusual lead signature, suggesting the existence of a novel type of upper mantle reservoir.

    • Berengere Mougel
    • Arnaud Agranier
    • Pascal Gente
    Research
    Nature Communications
    Volume: 5, P: 1-7