Metamorphic rock
Marble
Metamorphosed limestone of blocky, recrystallized calcite; non-foliated. Original sedimentary textures and fossils are destroyed; impurities cause the 'marbling'.
More photos and thin sections
Other metamorphic rocks
Slate · Phyllite · Schist · Gneiss · Amphibolite · Quartzite · Hornfels · Migmatite
Sources
Panchuk, Physical Geology 10.3: Classification of Metamorphic Rocks