Amphibolite and Rapakivi Granite Definition

Definition of Amphibolite and Rapakivi Granite

The general Amphibolite and Rapakivi Granite 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, Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Along with definition of Amphibolite and Rapakivi Granite, get to know about Properties of Amphibolite and Rapakivi Granite. Get to know more information about Amphibolite and Rapakivi Granite origin and discoverer, etymology and class.

History of Amphibolite and Rapakivi Granite

The history of Amphibolite and Rapakivi Granite 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 Rapakivi Granite Origin and Discoverer

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

Etymology of Amphibolite and Rapakivi Granite

Along with Amphibolite and Rapakivi Granite definition, know more about the etymology of Amphibolite and Rapakivi Granite. Etymology of Amphibolite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Amphibolite and Formation of Rapakivi Granite. The etymology of Amphibolite is From Amphibole + -ite while that of Rapakivi Granite 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 Rapakivi Granite belongs to Igneous Rocks. The sub-class, group and other categories of Amphibolite and Rapakivi Granite 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 Rapakivi Granite,

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