Amphibolite and Norite Definition

Definition of Amphibolite and Norite

The general Amphibolite and Norite definition can be stated as: Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. On the other hand, Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Along with definition of Amphibolite and Norite, get to know about Properties of Amphibolite and Norite. Get to know more information about Amphibolite and Norite origin and discoverer, etymology and class.

History of Amphibolite and Norite

The history of Amphibolite and Norite 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.

Amphibolite and Norite Origin and Discoverer

Amphibolite and Norite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Amphibolite and Norite. In this section, you will know about Amphibolite and Norite Origin and Discoverer. Origin of Amphibolite is Unknown whereas Origin of Norite is Norway. It is interesting to know the name of Amphibolite and Norite discoverer. The Discoverer of Amphibolite is Alexandre Brongniart and the discoverer of Norite is Unknown.

Etymology of Amphibolite and Norite

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

For Amphibolite,

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

For Norite,

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