What conditions are required to form the parallel alignment of minerals sometimes found in metamorphic rocks?

The conditions required: in areas where large scale mountain-building process take place, and the rock undergo very high pressure.

we call the rock to be foliated metamorphic rock, and the metamorphism is called dynamic or regional metamorphism

example of these rocks: Granite will turn into gneiss under dynamic metamorphism and minerals will be aligned

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Martebi Martebi · Answer 2 · 2021-10-07T14:58:04+02:00

The conditions that are required to form parallel alignment of minerals sometimes found in a metamorphic rock are both heat and pressure

There are some conditions need to form a metamorphic rock. They include exposure of a known existing rock to high heat and high pressure

Foliation is a term used to describe parallel alignment of minerals such as mica and the presence or absence of alternating light-colored and dark-colored layers.

For all this minerals to be aligned, they need high temperature (heat) and pressure.

From the above, we can therefore say that the answer The conditions that are required to form parallel alignment of minerals sometimes found in a metamorphic rock are both heat and pressure

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