Shonkinite and Troctolite Definition

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.

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,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Troctolite,

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