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Nepheline Syenite
Nepheline Syenite

Troctolite
Troctolite



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Nepheline Syenite
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Troctolite

Nepheline Syenite and Troctolite Definition

1 Definition
1.1 Definition
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz
Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
Unknown
Christian Leopold von Buch
1.3 Etymology
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Plutonic
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Definition of Nepheline Syenite and Troctolite

The general Nepheline Syenite and Troctolite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. On the other hand, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Nepheline Syenite and Troctolite, get to know about Properties of Nepheline Syenite and Troctolite. Get to know more information about Nepheline Syenite and Troctolite origin and discoverer, etymology and class.

History of Nepheline Syenite and Troctolite

The history of Nepheline Syenite and Troctolite 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 Troctolite Origin and Discoverer

Nepheline Syenite and Troctolite 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 Troctolite. In this section, you will know about Nepheline Syenite and Troctolite Origin and Discoverer. Origin of Nepheline Syenite and Troctolite are Unknown. It is interesting to know the name of Nepheline Syenite and Troctolite discoverer. The Discoverer of Nepheline Syenite is Unknown and the discoverer of Troctolite is Christian Leopold von Buch.

Etymology of Nepheline Syenite and Troctolite

Along with Nepheline Syenite and Troctolite definition, know more about the etymology of Nepheline Syenite and Troctolite. Etymology of Nepheline Syenite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Troctolite. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Troctolite 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 Troctolite belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Troctolite 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 Troctolite,

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