Nepheline Syenite and Dacite Definition

Definition of Nepheline Syenite and Dacite

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

History of Nepheline Syenite and Dacite

The history of Nepheline Syenite and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Nepheline Syenite and Dacite

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

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