Adakite and Rapakivi Granite Definition

Definition of Adakite and Rapakivi Granite

The general Adakite and Rapakivi Granite definition can be stated as: Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. 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 Adakite and Rapakivi Granite, get to know about Properties of Adakite and Rapakivi Granite. Get to know more information about Adakite and Rapakivi Granite origin and discoverer, etymology and class.

History of Adakite and Rapakivi Granite

The history of Adakite 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.

Adakite and Rapakivi Granite Origin and Discoverer

Adakite 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 Adakite and Rapakivi Granite. In this section, you will know about Adakite and Rapakivi Granite Origin and Discoverer. Origin of Adakite is Adak, Aleutian Islands whereas Origin of Rapakivi Granite is Finland, Europe. It is interesting to know the name of Adakite and Rapakivi Granite discoverer. The Discoverer of Adakite is Defant and Drummond and the discoverer of Rapakivi Granite is Jakob Sederholm.

Etymology of Adakite and Rapakivi Granite

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

For Adakite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine 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