Arkose and Trachyte Definition

Definition of Arkose and Trachyte

The general Arkose and Trachyte definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Arkose and Trachyte, get to know about Properties of Arkose and Trachyte. Get to know more information about Arkose and Trachyte origin and discoverer, etymology and class.

History of Arkose and Trachyte

The history of Arkose and Trachyte 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 Trachyte Origin and Discoverer

Arkose and Trachyte definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Arkose and Trachyte. In this section, you will know about Arkose and Trachyte Origin and Discoverer. Origin of Arkose is France whereas Origin of Trachyte is Unknown. It is interesting to know the name of Arkose and Trachyte discoverer. The Discoverer of Arkose is Alexandre Brongniart and the discoverer of Trachyte is Alexandre Brongniart and René Just Haüy.

Etymology of Arkose and Trachyte

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

For Arkose,

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

For Trachyte,

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