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Andesite
Andesite

Nepheline Syenite
Nepheline Syenite



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Nepheline Syenite

Andesite and Nepheline Syenite Definition

1 Definition
1.1 Definition
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz
1.2 History
1.2.1 Origin
North America
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Andes mountains, where it is found in abundance
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, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Andesite and Nepheline Syenite

The general Andesite and Nepheline Syenite definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. On the other hand, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Andesite and Nepheline Syenite, get to know about Properties of Andesite and Nepheline Syenite. Get to know more information about Andesite and Nepheline Syenite origin and discoverer, etymology and class.

History of Andesite and Nepheline Syenite

The history of Andesite 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.

Andesite and Nepheline Syenite Origin and Discoverer

Andesite 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 Andesite and Nepheline Syenite. In this section, you will know about Andesite and Nepheline Syenite Origin and Discoverer. Origin of Andesite is North America whereas Origin of Nepheline Syenite is Unknown. It is interesting to know the name of Andesite and Nepheline Syenite discoverer. The discoverer of Andesite and Nepheline Syenite are Unknown.

Etymology of Andesite and Nepheline Syenite

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

For Andesite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Volcanic
  • Other Categories: Fine 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