Fault rock injections record paleo-earthquakes

@inproceedings{Kirkpatrick2012FaultRI,
  title={Fault rock injections record paleo-earthquakes},
  author={James Kirkpatrick and Emily E Brodsky},
  year={2012}
}
Fault rocks such as pseudotachylyte melt or granular gouge are sometimes injected into cracks off a fault surface. The width to height ratio of the injection veins is a direct measure of the shear strain in the wall rock required to accommodate the injection, so the aspect ratios preserve a record of the overpressure opening the cracks and injecting melt or fluidized granular material from the fault zone. We measured the aspect ratios for 201 pseudotachylyte injections and 29 granular… CONTINUE READING
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