Metamorphic rock
Gneiss
The highest grade of the foliated series; coarse-grained, with minerals separated into light (feldspar, quartz) and dark (amphibole) bands, and little or no mica. Parents include mudrock, sandstone, conglomerate and igneous rocks.

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Other metamorphic rocks
Slate · Phyllite · Schist · Amphibolite · Marble · Quartzite · Hornfels · Migmatite
Sources
Panchuk, Physical Geology 10.3: Classification of Metamorphic Rocks