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Nephelinite
Nephelinite

Mylonite
Mylonite



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Nephelinite and Mylonite Definition

1 Definition
1.1 Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).
Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism
1.2 History
1.2.1 Origin
Brazil
New Zealand
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
from French néphéline, from Greek nephelē
From Greek mulōn mill + -ite
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Nephelinite and Mylonite

The general Nephelinite and Mylonite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. Along with definition of Nephelinite and Mylonite, get to know about Properties of Nephelinite and Mylonite. Get to know more information about Nephelinite and Mylonite origin and discoverer, etymology and class.

History of Nephelinite and Mylonite

The history of Nephelinite and Mylonite 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.

Nephelinite and Mylonite Origin and Discoverer

Nephelinite and Mylonite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Nephelinite and Mylonite. In this section, you will know about Nephelinite and Mylonite Origin and Discoverer. Origin of Nephelinite is Brazil whereas Origin of Mylonite is New Zealand. It is interesting to know the name of Nephelinite and Mylonite discoverer. The discoverer of Nephelinite and Mylonite are Unknown.

Etymology of Nephelinite and Mylonite

Along with Nephelinite and Mylonite definition, know more about the etymology of Nephelinite and Mylonite. Etymology of Nephelinite and Mylonite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Mylonite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Mylonite is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks. The sub-class, group and other categories of Nephelinite and Mylonite are listed below.

For Nephelinite,

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

For Mylonite,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Not applicable
  • Other Categories: Fine grained rock and Opaque rock