Rapakivi Granite and Essexite  Definition

Definition of Rapakivi Granite and Essexite 

The general Rapakivi Granite and Essexite  definition can be stated as: Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. On the other hand, Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Along with definition of Rapakivi Granite and Essexite , get to know about Properties of Rapakivi Granite and Essexite . Get to know more information about Rapakivi Granite and Essexite  origin and discoverer, etymology and class.

History of Rapakivi Granite and Essexite 

The history of Rapakivi Granite and Essexite  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.

Rapakivi Granite and Essexite  Origin and Discoverer

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

Etymology of Rapakivi Granite and Essexite 

Along with Rapakivi Granite and Essexite  definition, know more about the etymology of Rapakivi Granite and Essexite . Etymology of Rapakivi Granite and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Rapakivi Granite and Formation of Essexite . The etymology of Rapakivi Granite is From Finnish Rapakivi which stands for crumbly rock while that of Essexite  is From Finnish Rapakivi which stands for crumbly rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rapakivi Granite and Essexite  belong to Igneous Rocks. The sub-class, group and other categories of Rapakivi Granite and Essexite  are listed below.

For Rapakivi Granite,

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

For Essexite ,

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