Arkose and Troctolite Definition

Definition of Arkose and Troctolite

The general Arkose and Troctolite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Arkose and Troctolite, get to know about Properties of Arkose and Troctolite. Get to know more information about Arkose and Troctolite origin and discoverer, etymology and class.

History of Arkose and Troctolite

The history of Arkose and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Arkose and Troctolite

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

For Arkose,

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

For Troctolite,

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