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Cataclasis

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Cataclasis:

  1. The process of mechanical fracture or break-up of rocks, usually associated with dynamic faulting or metamorphism. The term is used both for small-scale, i.e. microscopic structures, and also for large-scale phenomena.
  2. Brittle granulation of rock at low temperature and low to moderate confining pressure; may be accelerated by high fluid pressure.
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