Direct measurement of strain rates in ductile shear zones: A new method based on syntectonic dikes
We describe a new method to estimate directly ductile strain rates at an outcrop scale from the deformation of dikes emplaced within a shear zone. The method is tested in a well-constrained shear zone: the Ailao Shan-Red River shear zone, for which global strain rates can be calculated from published fault rates. The strain rate was determined by measuring independently the shear strain (γ) recorded by the dikes and the age (t) of dikes emplacement. The shear strain was quantified by three...[Show more]
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|Source:||Journal of Geophysical Research|
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