Which statement about metamorphic rocks is incorrect ?

Question

Which statement about metamorphic rocks is  incorrect ?

Answer

Quartz rich sandstone when metamorphosed forms non-foliated quartzite.

Answer

Banded gneiss is a high-grade foliated rock which the protolith can be one of several different rocks.

Answer

A schist is formed from the metamorphism of shale and has no foliation.

Answer

Marble is non-foliated and formed from metamorphism of limestone.

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