Arkose and Andesite Definition

Definition of Arkose and Andesite

The general Arkose and Andesite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Arkose and Andesite, get to know about Properties of Arkose and Andesite. Get to know more information about Arkose and Andesite origin and discoverer, etymology and class.

History of Arkose and Andesite

The history of Arkose and Andesite 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.

Arkose and Andesite Origin and Discoverer

Arkose and Andesite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Arkose and Andesite. In this section, you will know about Arkose and Andesite Origin and Discoverer. Origin of Arkose is France whereas Origin of Andesite is North America. It is interesting to know the name of Arkose and Andesite discoverer. The Discoverer of Arkose is Alexandre Brongniart and the discoverer of Andesite is Theodor von Gümbel.

Etymology of Arkose and Andesite

Along with Arkose and Andesite definition, know more about the etymology of Arkose and Andesite. Etymology of Arkose and Andesite gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Andesite. The etymology of Arkose is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones while that of Andesite is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Arkose belongs to Sedimentary Rocks while Andesite belongs to Igneous Rocks. The sub-class, group and other categories of Arkose and Andesite are listed below.

For Arkose,

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

For Andesite,

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