Rapakivi Granite and Nephelinite Definition

Definition of Rapakivi Granite and Nephelinite

The general Rapakivi Granite and Nephelinite 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, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Rapakivi Granite and Nephelinite, get to know about Properties of Rapakivi Granite and Nephelinite. Get to know more information about Rapakivi Granite and Nephelinite origin and discoverer, etymology and class.

History of Rapakivi Granite and Nephelinite

The history of Rapakivi Granite and Nephelinite 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 Nephelinite Origin and Discoverer

Rapakivi Granite and Nephelinite 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 Nephelinite. In this section, you will know about Rapakivi Granite and Nephelinite Origin and Discoverer. Origin of Rapakivi Granite is Finland, Europe whereas Origin of Nephelinite is Brazil. It is interesting to know the name of Rapakivi Granite and Nephelinite discoverer. The Discoverer of Rapakivi Granite is Jakob Sederholm and the discoverer of Nephelinite is Unknown.

Etymology of Rapakivi Granite and Nephelinite

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

For Rapakivi Granite,

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

For Nephelinite,

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