Arkose and Picrite Definition

Definition of Arkose and Picrite

The general Arkose and Picrite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Arkose and Picrite, get to know about Properties of Arkose and Picrite. Get to know more information about Arkose and Picrite origin and discoverer, etymology and class.

History of Arkose and Picrite

The history of Arkose and Picrite 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 Picrite Origin and Discoverer

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

Etymology of Arkose and Picrite

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

For Arkose,

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

For Picrite,

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