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Cala Prona on Microscale (T/S Microscale evidence BVT (2. Dynamic…
Cala Prona on Microscale
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Dominant def mechanism
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Changes with changing boundary conditions i.e. strain rate, temp
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Ultramylonite
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Quartz -
Mostly dynamically recrystallised via
- grain boundary bulging
- subgrain rotation
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90% matrix grains exhibit size reduction
Mylonite
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Where common?
- Thrusts
- Extensional SZ
- Steep basement SZ
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