Igneous | Metamorphic | Sedimentary |
---|---|---|
Andesite | Amphibolite | Bituminous coal |
Basalt | Anthracite | Breccia |
Diorite | Gneiss | Chert |
Gabbro | Hornfels | Conglomerate |
Granite | Marble | Dolomite |
Obsidian | Migmatite | Micrite |
Pegmatite | Phyllite | Rock Gypsum |
Peridotite | Quartzite | Rock Salt |
Pumice | Schist | Sandstone |
Rhyolite | Slate | Shale |