femic A little-used term to describe the normative ferromagnesium minerals in a rock. The CIPW normative components hypersthene (Hy), diopside (Di), fayalite (Fa), and forsterite (Fo), are all femic components of a rock.
More From encyclopedia.com
Migmatite , Migmatite A migmatite, or "mixed rock" in Greek, is a banded, heterogenous rock composed of intermingled metamorphic and igneous components. Veins, c… Iron Ores , Rocks Rocks are composed of minerals, which are natural inorganic (nonliving) substances with specific chemical compositions and structures. A rock m… Rock , rock1 / räk/ • n. 1. the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underly… Igneous Rocks , Igneous rocks are formed by the cooling and hardening of molten magma. The word igneous comes from the Latin word igneus, meaning fire, and there are… Country Rock , Country rock The term country rock refers to a body of rock that receives or hosts an intrusion of a viscous geologic material. Intrusions into count… Metamorphic Rocks , Metamorphic rock is rock that has changed from one type of rock into another. The word metamorphic (from Greek) means “of changing form.” Metamorphic…
About this article
Updated About encyclopedia.com content Print Article
You Might Also Like