| A | B |
|---|
| granite | Igneous - Intrusive - deep |
| Obsidian | Igneous - Extrusive |
| Rhyolite | Igneous - Intrusive - shallow |
| Basalt | Igneous _ Extrusive |
| Diorite | Igneous - Intrusive - shallow |
| Conglomerate | Sedimentary - clastic |
| Sandstone | Sedimentary - clastic |
| Coquina | Sedimentary - organic |
| Limestone | Sedimentary - organic |
| Shale | Sedimentary - clastic |
| Gneiss | Metamorphic - foliated - granite |
| Quartzite | Metamorphic - nonfoliated - sandstone |
| Marble | Metamorphic - nonfoliated - limestone |
| Schist | Metamorphic - foliated - siltstone |
| Obsidian | Igneous - extrusive |
| Anthracite coal | Metmorphic - nonfoliated - bituminous coal |
