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Litchfieldite and Ijolite Definition


Ijolite and Litchfieldite Definition


Definition

Definition
Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite   
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   

History
  
  

Origin
USA   
Finland, Europe   

Discoverer
Bayley   
Unknown   

Etymology
From its occurrence at Litchfield, Maine, USA   
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness 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 Litchfieldite and Ijolite

The general Litchfieldite and Ijolite definition can be stated as: Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite. 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 Litchfieldite and Ijolite, get to know about Properties of Litchfieldite and Ijolite. Get to know more information about Litchfieldite and Ijolite origin and discoverer, etymology and class.

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History of Litchfieldite and Ijolite

The history of Litchfieldite 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.

Litchfieldite and Ijolite Origin and Discoverer

Litchfieldite and Ijolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Litchfieldite and Ijolite. In this section, you will know about Litchfieldite and Ijolite Origin and Discoverer. Origin of Litchfieldite is USA whereas Origin of Ijolite is Finland, Europe. It is interesting to know the name of Litchfieldite and Ijolite discoverer. The Discoverer of Litchfieldite is Bayley and the discoverer of Ijolite is Unknown.

Etymology of Litchfieldite and Ijolite

Along with Litchfieldite and Ijolite definition, know more about the etymology of Litchfieldite and Ijolite. Etymology of Litchfieldite and Ijolite gives information about origin and formation of a particular rock. Know more about Formation of Litchfieldite and Formation of Ijolite. The etymology of Litchfieldite is From its occurrence at Litchfield, Maine, USA while that of Ijolite is From its occurrence at Litchfield, Maine, USA. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Litchfieldite and Ijolite belong to Igneous Rocks. The sub-class, group and other categories of Litchfieldite and Ijolite are listed below.

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