Igneous Rocks CK-12 Foundation

Igneous Rocks: Definition, Types, Examples and Examples igneous rock Igneous rock classification is based in two main features: the modal mineralogy and grain size, which is also a criterion to distinguish rocket878 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

asrock b760m Because of how igneous rocks are formed, they're the most common type of rock in the Earth's surface In fact, combined with metamorphic rock, igneous rock