Whether the granite or mica schist is more likely to fold or flow rather than fracture when subjected to differential stress.
Answer to Problem 1GST
Mica schist is a foliated metamorphic rock and it more likely to bend when the differential stress act on the rock and most of the foliated metamorphic rocks are normally susceptible to ductile deformation.
Explanation of Solution
Differential stress is the stress in which the force is stronger in one direction and weaker in another direction. It is considered as the main cause for rock deformation. The differential stress is mainly grouped in to three, which are compressional stress, tensional stress, and shear stress.
Metamorphic rocks that have zone of weakness such as foliation, and it is more like show ductile manner. Most of the weak rocks are shows ductile behavior, when it is subjected to the differential stress.
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