Arkose and Adamellite Definition

Definition of Arkose and Adamellite

The general Arkose and Adamellite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Adamellite is a coarse-grained porphyritic igneous rock, a variety of Monzogranite and dominated by phenocrysts of orthoclase in a granular groundmass of perthite, plagioclase and quartz. Along with definition of Arkose and Adamellite, get to know about Properties of Arkose and Adamellite. Get to know more information about Arkose and Adamellite origin and discoverer, etymology and class.

History of Arkose and Adamellite

The history of Arkose and Adamellite 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 Adamellite Origin and Discoverer

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

Etymology of Arkose and Adamellite

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

For Arkose,

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

For Adamellite,

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