Rhyodacite and Phonolite Definition

Definition of Rhyodacite and Phonolite

The general Rhyodacite and Phonolite definition can be stated as: Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Rhyodacite and Phonolite, get to know about Properties of Rhyodacite and Phonolite. Get to know more information about Rhyodacite and Phonolite origin and discoverer, etymology and class.

History of Rhyodacite and Phonolite

The history of Rhyodacite and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Rhyodacite and Phonolite

Along with Rhyodacite and Phonolite definition, know more about the etymology of Rhyodacite and Phonolite. Etymology of Rhyodacite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Rhyodacite and Formation of Phonolite. 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 Phonolite 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 Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Rhyodacite and Phonolite are listed below.

For Rhyodacite,

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

For Phonolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock