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Adakite
Adakite

Nepheline Syenite
Nepheline Syenite



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Nepheline Syenite

Adakite and Nepheline Syenite Definition

1 Definition
1.1 Definition
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz
1.2 History
1.2.1 Origin
Adak, Aleutian Islands
Unknown
1.2.2 Discoverer
Defant and Drummond
Unknown
1.3 Etymology
From Adak, Aleutian Islands
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China
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
Volcanic
Plutonic
1.6 Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Adakite and Nepheline Syenite

The general Adakite and Nepheline Syenite definition can be stated as: Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. On the other hand, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Adakite and Nepheline Syenite, get to know about Properties of Adakite and Nepheline Syenite. Get to know more information about Adakite and Nepheline Syenite origin and discoverer, etymology and class.

History of Adakite and Nepheline Syenite

The history of Adakite and Nepheline Syenite 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.

Adakite and Nepheline Syenite Origin and Discoverer

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

Etymology of Adakite and Nepheline Syenite

Along with Adakite and Nepheline Syenite definition, know more about the etymology of Adakite and Nepheline Syenite. Etymology of Adakite and Nepheline Syenite gives information about origin and formation of a particular rock. Know more about Formation of Adakite and Formation of Nepheline Syenite. The etymology of Adakite is From Adak, Aleutian Islands while that of Nepheline Syenite is From Adak, Aleutian Islands. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Adakite and Nepheline Syenite belong to Igneous Rocks. The sub-class, group and other categories of Adakite and Nepheline Syenite are listed below.

For Adakite,

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

For Nepheline Syenite,

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