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Showing 1–3 of 3 results
Advanced filters: Author: Cecilia Viti Clear advanced filters

  • A number of lines of evidence suggest that some crustal faults are weak compared to laboratory measurements of frictional strength; however, a satisfactory explanation for this weakness has remained elusive. Laboratory evidence is now provided for a brittle, frictional weakening mechanism based on common fault zone fabrics. Fault samples with well-developed foliation are shown to be extremely weak compared to their powdered equivalents.

    • Cristiano Collettini
    • André Niemeijer
    • Chris Marone
    Research
    Nature
    Volume: 462, P: 907-910

  • Creeping serpentinite shear zones may host large earthquakes, but direct evidence of frictional heating and rupture have been missing. Here, the authors demonstrate via laboratory experiments that earthquake ruptures can propagate through serpentinite shear zones shown by high-temperature reaction products.

    • Matthew S. Tarling
    • Steven A. F. Smith
    • James M. Scott
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8