Arkose and Slate Definition

Definition of Arkose and Slate

The general Arkose and Slate definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. Along with definition of Arkose and Slate, get to know about Properties of Arkose and Slate. Get to know more information about Arkose and Slate origin and discoverer, etymology and class.

History of Arkose and Slate

The history of Arkose and Slate 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 Slate Origin and Discoverer

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

Etymology of Arkose and Slate

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

For Arkose,

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

For Slate,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock