Rhyodacite and Anorthosite Definition

Definition of Rhyodacite and Anorthosite

The general Rhyodacite and Anorthosite definition can be stated as: Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. On the other hand, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Rhyodacite and Anorthosite, get to know about Properties of Rhyodacite and Anorthosite. Get to know more information about Rhyodacite and Anorthosite origin and discoverer, etymology and class.

History of Rhyodacite and Anorthosite

The history of Rhyodacite and Anorthosite 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 Anorthosite Origin and Discoverer

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

Etymology of Rhyodacite and Anorthosite

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

For Rhyodacite,

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

For Anorthosite,

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