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Nepheline Syenite
Nepheline Syenite

Felsite
Felsite



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Nepheline Syenite
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Nepheline Syenite and Felsite Definition

1 Definition
1.1 Definition
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China
From English feldspar and -ite
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Nepheline Syenite and Felsite

The general Nepheline Syenite and Felsite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. On the other hand, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Nepheline Syenite and Felsite, get to know about Properties of Nepheline Syenite and Felsite. Get to know more information about Nepheline Syenite and Felsite origin and discoverer, etymology and class.

History of Nepheline Syenite and Felsite

The history of Nepheline Syenite and Felsite 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.

Nepheline Syenite and Felsite Origin and Discoverer

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

Etymology of Nepheline Syenite and Felsite

Along with Nepheline Syenite and Felsite definition, know more about the etymology of Nepheline Syenite and Felsite. Etymology of Nepheline Syenite and Felsite gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Felsite. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Felsite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nepheline Syenite and Felsite belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Felsite are listed below.

For Nepheline Syenite,

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

For Felsite,

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