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Which one of the following statements about metamorphic rocks is not correct?

Options

  1. ADue to segregation of minerals into wavy bands or platy surfaces, some metamorphic rocks develop foliations.
  2. BWhere the foliations develop into broad mineral bands, the metamorphic rock is extremely hard.
  3. CWhere the foliations are moderately thin, the metamorphic rock tends to flake apart.
  4. DRocks that originally were composed of one dominant mineral are often foliated by metamorphism.

Correct answer

A. Due to segregation of minerals into wavy bands or platy surfaces, some metamorphic rocks develop foliations.

Step-by-step solution

In the process of metamorphism in some rocks grains or minerals get arranged in layers or lines. Such an arrangement of minerals or grains in metamorphic rocks is called foliation or lineation.

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