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Showing 1–3 of 3 results
Advanced filters: Author: Francesca Remitti Clear advanced filters

  • A fossil erosive subduction channel (the shear zone marking the plate boundary) preserved in the Northern Apennines of Italy is identified. The fossil zone records the presence of two décollements which seem to have been simultaneously active at the top and base of the subduction channel. In modern subduction zones the onset of seismic activity is believed to occur at ∼150° C, however in the fossil channel the onset seems to have occurred at colder temperatures.

    • Paola Vannucchi
    • Francesca Remitti
    • Giuseppe Bettelli
    Research
    Nature
    Volume: 451, P: 699-703

  • Some faults slip at high angles to the greatest principal compressive stress. The discovery of shear veins formed at angles of about 80 degrees relative to the greatest principal compressive stress in the Chrystalls Beach complex, New Zealand, suggests that slip can be facilitated by a pre-existing rock fabric under high fluid pressure.

    • Åke Fagereng
    • Francesca Remitti
    • Richard H. Sibson
    Research
    Nature Geoscience
    Volume: 3, P: 482-485