Igneous Rock Types and Textures

igneous rock  Igneous rock Igneous rock is one of the three main rock types, the others being sedimentary and metamorphic rock Magma is called lava when it reaches the In this video, we examine igneous rocks, including the ways in which they form and their

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  The meaning of IGNEOUS ROCK is rock formed by solidification of a molten magma

Intrusive, or plutonic, igneous rock forms when magma is trapped deep inside the Earth Great globs of molten rock rise toward the surface Some of the magma A rock of intermediate composition is diorite if it's course-grained, and andesite if it's fine-grained A mafic rock is gabbro if it's course-grained, and