Rhyodacite and Nephelinite Definition

Definition of Rhyodacite and Nephelinite

The general Rhyodacite and Nephelinite definition can be stated as: Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. On the other hand, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Rhyodacite and Nephelinite, get to know about Properties of Rhyodacite and Nephelinite. Get to know more information about Rhyodacite and Nephelinite origin and discoverer, etymology and class.

History of Rhyodacite and Nephelinite

The history of Rhyodacite and Nephelinite 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.

Rhyodacite and Nephelinite Origin and Discoverer

Rhyodacite and Nephelinite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Rhyodacite and Nephelinite. In this section, you will know about Rhyodacite and Nephelinite Origin and Discoverer. Origin of Rhyodacite is USA whereas Origin of Nephelinite is Brazil. It is interesting to know the name of Rhyodacite and Nephelinite discoverer. The discoverer of Rhyodacite and Nephelinite are Unknown.

Etymology of Rhyodacite and Nephelinite

Along with Rhyodacite and Nephelinite definition, know more about the etymology of Rhyodacite and Nephelinite. Etymology of Rhyodacite and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Rhyodacite and Formation of Nephelinite. The etymology of Rhyodacite is Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite while that of Nephelinite is Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyodacite and Nephelinite belong to Igneous Rocks. The sub-class, group and other categories of Rhyodacite and Nephelinite are listed below.

For Rhyodacite,

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

For Nephelinite,

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