Anorthosite and Gneiss Definition

Definition of Anorthosite and Gneiss

The general Anorthosite and Gneiss definition can be stated as: Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. On the other hand, Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Along with definition of Anorthosite and Gneiss, get to know about Properties of Anorthosite and Gneiss. Get to know more information about Anorthosite and Gneiss origin and discoverer, etymology and class.

History of Anorthosite and Gneiss

The history of Anorthosite and Gneiss gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Anorthosite and Gneiss Origin and Discoverer

Anorthosite and Gneiss definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Anorthosite and Gneiss. In this section, you will know about Anorthosite and Gneiss Origin and Discoverer. Origin of Anorthosite and Gneiss are Unknown. It is interesting to know the name of Anorthosite and Gneiss discoverer. The discoverer of Anorthosite and Gneiss are Unknown.

Etymology of Anorthosite and Gneiss

Along with Anorthosite and Gneiss definition, know more about the etymology of Anorthosite and Gneiss. Etymology of Anorthosite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Gneiss. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Gneiss is From French anorthose plagioclase + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anorthosite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Anorthosite and Gneiss are listed below.

For Anorthosite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock

For Gneiss,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock