Rapakivi Granite and Ijolite Definition

Definition of Rapakivi Granite and Ijolite

The general Rapakivi Granite and Ijolite 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, Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. Along with definition of Rapakivi Granite and Ijolite, get to know about Properties of Rapakivi Granite and Ijolite. Get to know more information about Rapakivi Granite and Ijolite origin and discoverer, etymology and class.

History of Rapakivi Granite and Ijolite

The history of Rapakivi Granite and Ijolite 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 Ijolite Origin and Discoverer

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

Etymology of Rapakivi Granite and Ijolite

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

For Rapakivi Granite,

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

For Ijolite,

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