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Foidolite and Rapakivi Granite Definition


Rapakivi Granite and Foidolite Definition


Definition

Definition
Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%   
Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase   

History
  
  

Origin
Unknown   
Finland, Europe   

Discoverer
Unknown   
Jakob Sederholm   

Etymology
From the mineral feldspathoid which is the main content of rock   
From Finnish Rapakivi which stands for crumbly rock   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Plutonic   

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
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Definition of Foidolite and Rapakivi Granite

The general Foidolite and Rapakivi Granite definition can be stated as: Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. 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 Foidolite and Rapakivi Granite, get to know about Properties of Foidolite and Rapakivi Granite. Get to know more information about Foidolite and Rapakivi Granite origin and discoverer, etymology and class.

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History of Foidolite and Rapakivi Granite

The history of Foidolite 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.

Foidolite and Rapakivi Granite Origin and Discoverer

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

Etymology of Foidolite and Rapakivi Granite

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

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For Rapakivi Granite,

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