Answer :
Mineral alignment during differential stress metamorphism may result in the development of layers. The name "foliation" describes this texture.
Foliation is the planar arrangement of structural or textural features in any form of rock, but it is especially noticeable in metamorphic rocks of the local variety that emerge from
The arrangement of constituent mineral grains along straight or wavy planes. Although foliation frequently happens parallel to the initial bedding, it may not actually be connected to any other structural direction.
Sheet minerals like mica or chlorite are the ones that exhibit foliation the most. However, gneisses and other coarse-grained rocks with high metamorphic grades have the greatest degree of foliation or flattening of the rock strata.
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