CHAPTER 4: IGNEOUS ROCKS

CHAPTER 4: IGNEOUS ROCKS igneous rock In this video, we examine igneous rocks, including the ways in which they form and their rockstar Andesite Andesite is an extrusive igneous rock that is higher in silica than basalt and lower than rhyolite or felsite Click the photo to see

rockstar Igneous rocks are formed from the solidification of molten rock material There are two basic types: 1) intrusive igneous rocks such as diorite, gabbro,

therock88 Igneous rock is defined as a type of rock that is formed through the cooling & solidification of lava or magma Intrusive & extrusive are Igneous rock classification is based in two main features: the modal mineralogy and grain size, which is also a criterion to distinguish