What are the characteristics of foliated and non-foliated metamorphic rocks?

1 Answer
Vincent G. · Kate M.
Jan 9, 2016

Foliation is the repetitive layering of rocks due to intense directed pressure. Foliated rocks are characterized by linear streaks that vary in width. Non-foliated metamorphic rocks do not have these streaks.

Explanation:

It occurs among metamorphic rocks that are subjected to intense directed pressure which causes the minerals within the rock to flatten or realign perpendicularly from the area of greatest pressure.

https://leakuhta.wordpress.com/2013/11/18/under-pressure-metamorphic-rocks/

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