What determines whether a metamorphic rock is foliated or non-foliated?

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asked Nov 17, 2017 219k views

2 Answers

SzybkiSasza · Answer 1 · 2017-11-18T10:14:01+0000

foliated metamorphic rocks have a layered or banded appearance that is produced by exposure to heat and directed pressure, non-foliated metamorphic rocks do not have a layered or banded appearance.

Tyann · Answer 2 · 2017-11-22T03:29:23+0000

The areas of texture, appearance and the type of pressure applied during crystallization determines whether a metamorphic rock is foliated or non-foliated. Foliated rock is formed if the pressure applied to the recrystallizing rock is unequal. If the pressure applied to the recrystallizing rock is equal all over, a nonfoliated rock will be created.

What determines whether a metamorphic rock is foliated or non-foliated?

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