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find three different examples of metamorphic rocks
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examples of metamorphic rocks include slate, gneiss, schist, and marble. 

slate is a fine-grained metamorphic rock usually composed of clay or volcanic ash which can be split into thin, even layers. 

gneiss is a medium to coarse-grained metamorphic rock composed of alternating bands composed of quartz, mica, and feldspar. 

schist is a medium to coarse-grained, banded metamorphic rock composed largely of quartz and mica minerals. 

marble is a fine-grained, crystalline, metamorphic rock composed mainly of recrystallized calcite or dolomite.
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