Charnockite and Rapakivi Granite Definition

Definition of Charnockite and Rapakivi Granite

The general Charnockite and Rapakivi Granite definition can be stated as: Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. 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 Charnockite and Rapakivi Granite, get to know about Properties of Charnockite and Rapakivi Granite. Get to know more information about Charnockite and Rapakivi Granite origin and discoverer, etymology and class.

History of Charnockite and Rapakivi Granite

The history of Charnockite 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.

Charnockite and Rapakivi Granite Origin and Discoverer

Charnockite 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 Charnockite and Rapakivi Granite. In this section, you will know about Charnockite and Rapakivi Granite Origin and Discoverer. Origin of Charnockite is Tamil Nadu, India whereas Origin of Rapakivi Granite is Finland, Europe. It is interesting to know the name of Charnockite and Rapakivi Granite discoverer. The Discoverer of Charnockite is T. H. Holland and the discoverer of Rapakivi Granite is Jakob Sederholm.

Etymology of Charnockite and Rapakivi Granite

Along with Charnockite and Rapakivi Granite definition, know more about the etymology of Charnockite and Rapakivi Granite. Etymology of Charnockite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Charnockite and Formation of Rapakivi Granite. The etymology of Charnockite is From Job Charnock, an administtrator of East India Company while that of Rapakivi Granite is From Job Charnock, an administtrator of East India Company. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Charnockite and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Charnockite and Rapakivi Granite are listed below.

For Charnockite,

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