Trachyandesite and Nepheline Syenite Definition

Definition of Trachyandesite and Nepheline Syenite

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

History of Trachyandesite and Nepheline Syenite

The history of Trachyandesite 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.

Trachyandesite and Nepheline Syenite Origin and Discoverer

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

Etymology of Trachyandesite and Nepheline Syenite

Along with Trachyandesite and Nepheline Syenite definition, know more about the etymology of Trachyandesite and Nepheline Syenite. Etymology of Trachyandesite and Nepheline Syenite gives information about origin and formation of a particular rock. Know more about Formation of Trachyandesite and Formation of Nepheline Syenite. The etymology of Trachyandesite is From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite while that of Nepheline Syenite is From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trachyandesite and Nepheline Syenite belong to Igneous Rocks. The sub-class, group and other categories of Trachyandesite and Nepheline Syenite are listed below.

For Trachyandesite,

• Sub-class: Durable Rock and Medium Hardness 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