Arkose and Greywacke Definition

Definition of Arkose and Greywacke

The general Arkose and Greywacke definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Arkose and Greywacke, get to know about Properties of Arkose and Greywacke. Get to know more information about Arkose and Greywacke origin and discoverer, etymology and class.

History of Arkose and Greywacke

The history of Arkose and Greywacke 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 Greywacke Origin and Discoverer

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

Etymology of Arkose and Greywacke

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

For Arkose,

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

For Greywacke,

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