2 Igneous Rocks – Open Petrology

2 Igneous Rocks – Open Petrology igneous rock The meaning of IGNEOUS ROCK is rock formed by solidification of a molten magma asrock b760m Igneous rocks form when magma, or melted rock from inside the Earth, cools and hardens They can form above ground when magma erupts from a volcano as lava

asrock b760m What are Igneous Rocks? · Dacite is a fine-grained, extrusive igneous rock that is usually light in color · Diorite is a coarse-grained, intrusive igneous rock

igneous rock Igneous rocks are one of three main types of rocks , and they include both intrusive and extrusive What are Igneous Rocks? · Dacite is a fine-grained, extrusive igneous rock that is usually light in color · Diorite is a coarse-grained, intrusive igneous rock