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Rapakivi Granite and Dunite Definition


Dunite and Rapakivi Granite Definition


Definition

Definition
Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase   
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine   

History
  
  

Origin
Finland, Europe   
New Zealand   

Discoverer
Jakob Sederholm   
Ferdinand von Hochstetter   

Etymology
From Finnish Rapakivi which stands for crumbly rock   
From the name of Dun Mountain, New Zealand, + -ite1   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Plutonic   
Plutonic   

Other Categories
Coarse Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
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Definition of Rapakivi Granite and Dunite

The general Rapakivi Granite and Dunite 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, Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. Along with definition of Rapakivi Granite and Dunite, get to know about Properties of Rapakivi Granite and Dunite. Get to know more information about Rapakivi Granite and Dunite origin and discoverer, etymology and class.

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History of Rapakivi Granite and Dunite

The history of Rapakivi Granite and Dunite 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 Dunite Origin and Discoverer

Rapakivi Granite and Dunite 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 Dunite. In this section, you will know about Rapakivi Granite and Dunite Origin and Discoverer. Origin of Rapakivi Granite is Finland, Europe whereas Origin of Dunite is New Zealand. It is interesting to know the name of Rapakivi Granite and Dunite discoverer. The Discoverer of Rapakivi Granite is Jakob Sederholm and the discoverer of Dunite is Ferdinand von Hochstetter.

Etymology of Rapakivi Granite and Dunite

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

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