28 Igneous Rocks: Introduction, Classification, & related terminology
Introduction: Igneous Rocks are formed by the solidification of magma below or above the surface. This is a branch of geology that deals with the study of rocks and include: a). Petrogenesis: It denotes the origin and modes of occurrence, as well as the natural history of rocks. Credit: https://www.researchgate.net/profile/Geoffrey_Howarth/publication/321130500/figure/fig11/AS:668598364286978@1536417680143/Schematic-illustration-of-the-petrogenesis-of-NWA-8657-showing-early-stages-of-evolution.png b). Petrography: its deals … Read more