Home

Igneous Rocks + -

Fossil Rocks + -

Metamorphic Rocks + -

Durable Rocks + -

Medium Grained Rocks + -

Compare Rocks


Shonkinite and Troctolite Definition


Troctolite and Shonkinite Definition


Definition

Definition
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   
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   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Christian Leopold von Buch   

Etymology
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Plutonic   

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Shonkinite and Troctolite

The general Shonkinite and Troctolite definition can be stated as: Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. 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 Shonkinite and Troctolite, get to know about Properties of Shonkinite and Troctolite. Get to know more information about Shonkinite and Troctolite origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Shonkinite and Troctolite

The history of Shonkinite 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.

Shonkinite and Troctolite Origin and Discoverer

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

Etymology of Shonkinite and Troctolite

Along with Shonkinite and Troctolite definition, know more about the etymology of Shonkinite and Troctolite. Etymology of Shonkinite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Troctolite. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Troctolite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shonkinite and Troctolite belong to Igneous Rocks. The sub-class, group and other categories of Shonkinite and Troctolite are listed below.

For Shonkinite,

For Troctolite,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks