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Shale can metamorphose into slate, which can metamorphose into phyllite, which can metamorphose into schist, which can metamorphose into gneiss.
they metamorphose from a tadpole to a frog.
To metamorphose is for something to change into something else.
No. Phyllite can metamorphose into schist and then into gneiss.
Limestone and dolostone can metamorphose into marble.