Nepheline Syenite and Adakite Definition

Definition of Nepheline Syenite and Adakite

The general Nepheline Syenite and Adakite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. On the other hand, 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. Along with definition of Nepheline Syenite and Adakite, get to know about Properties of Nepheline Syenite and Adakite. Get to know more information about Nepheline Syenite and Adakite origin and discoverer, etymology and class.

History of Nepheline Syenite and Adakite

The history of Nepheline Syenite and Adakite 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 Adakite Origin and Discoverer

Nepheline Syenite and Adakite 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 Adakite. In this section, you will know about Nepheline Syenite and Adakite Origin and Discoverer. Origin of Nepheline Syenite is Unknown whereas Origin of Adakite is Adak, Aleutian Islands. It is interesting to know the name of Nepheline Syenite and Adakite discoverer. The Discoverer of Nepheline Syenite is Unknown and the discoverer of Adakite is Defant and Drummond.

Etymology of Nepheline Syenite and Adakite

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

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