Arkose and Appinite Definition

Definition of Arkose and Appinite

The general Arkose and Appinite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Arkose and Appinite, get to know about Properties of Arkose and Appinite. Get to know more information about Arkose and Appinite origin and discoverer, etymology and class.

History of Arkose and Appinite

The history of Arkose and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Arkose and Appinite

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

For Arkose,

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

For Appinite,

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