Question

A foliated metamorphic rock forms when crystals A. combine but do not form bands. B. combine and form visible bands. C. become less compact. D. align themselves parallel to the direction of the forces acting on them.

Answer 1

In order for a foliated metamorphic rocks to be formed, the crystals should be combined and that they should produce or form visible bands in which is one of the things that are essential in order for a foliated metamorphic rocks to be formed.

Answer 2

The correct answer is B. Combine and forms visible bands.

A foliated metamorphic rock forms when crystals combine and form visible bands.
Metamorphic rocks have been modified by pressure, heat, and chemical process. This usually occurs when buried deep below the surface of the earth.
Some examples of foliated metamorphic rocks include Phyllite, Schist, Gneiss, and Slate. They are banded appearance which is produced by being exposed to heat and pressure.
Some example of foliated metamorphic rock which is gneiss contains mineral grains which contain feldspar minerals.