Arkose and Adakite Definition

Definition of Arkose and Adakite

The general Arkose and Adakite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Arkose and Adakite, get to know about Properties of Arkose and Adakite. Get to know more information about Arkose and Adakite origin and discoverer, etymology and class.

History of Arkose and Adakite

The history of Arkose and Adakite 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 Adakite Origin and Discoverer

Arkose and Adakite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Arkose and Adakite. In this section, you will know about Arkose and Adakite Origin and Discoverer. Origin of Arkose is France whereas Origin of Adakite is Adak, Aleutian Islands. It is interesting to know the name of Arkose and Adakite discoverer. The Discoverer of Arkose is Alexandre Brongniart and the discoverer of Adakite is Defant and Drummond.

Etymology of Arkose and Adakite

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

For Arkose,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock and Opaque rock

For Adakite,

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