Arkose and Borolanite Definition

Definition of Arkose and Borolanite

The general Arkose and Borolanite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Arkose and Borolanite, get to know about Properties of Arkose and Borolanite. Get to know more information about Arkose and Borolanite origin and discoverer, etymology and class.

History of Arkose and Borolanite

The history of Arkose and Borolanite 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 Borolanite Origin and Discoverer

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

Etymology of Arkose and Borolanite

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

For Arkose,

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

For Borolanite,

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