Home
Compare Rocks


Troctolite and Arkose Definition


Arkose and Troctolite Definition


Definition

Definition
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   
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar   

History
  
  

Origin
Unknown   
France   

Discoverer
Christian Leopold von Buch   
Alexandre Brongniart   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones   

Class
Igneous Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Not Applicable   

Other Categories
Coarse Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Troctolite and Arkose

The general Troctolite and Arkose definition can be stated as: 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. On the other hand, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Troctolite and Arkose, get to know about Properties of Troctolite and Arkose. Get to know more information about Troctolite and Arkose origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Troctolite and Arkose

The history of Troctolite and Arkose 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.

Troctolite and Arkose Origin and Discoverer

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

Etymology of Troctolite and Arkose

Along with Troctolite and Arkose definition, know more about the etymology of Troctolite and Arkose. Etymology of Troctolite and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Arkose. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Arkose is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks. The sub-class, group and other categories of Troctolite and Arkose are listed below.

For Troctolite,

For Arkose,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks