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Showing 1–4 of 4 results
Advanced filters: Author: Fernando Corfu Clear advanced filters

  • The Earth’s continents amalgamated into the supercontinent Pangaea 320 million years ago. After the supercontinent formed, structural deformation continued, which eventually resulted in the subduction of the ocean margin of Pangaea beneath the continental edge at the other end of the same plate.

    • Gabriel Gutiérrez-Alonso
    • Javier Fernández-Suárez
    • Stephen T. Johnston
    Research
    Nature Geoscience
    Volume: 1, P: 549-553

  • Ridges of thick, raised crust on the Indian Ocean floor were thought to be mostly volcanic seamounts formed above the Réunion mantle plume. Dating of zircon minerals in Mauritian lavas, however, indicates that fragments of an ancient microcontinent may be preserved beneath the seamounts, contributing to the thickened crust.

    • Trond H. Torsvik
    • Hans Amundsen
    • Bjørn Jamtveit
    Research
    Nature Geoscience
    Volume: 6, P: 223-227