Shonkinite and Shoshonite Definition

Definition of Shonkinite and Shoshonite

The general Shonkinite and Shoshonite 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, Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. Along with definition of Shonkinite and Shoshonite, get to know about Properties of Shonkinite and Shoshonite. Get to know more information about Shonkinite and Shoshonite origin and discoverer, etymology and class.

History of Shonkinite and Shoshonite

The history of Shonkinite and Shoshonite 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 Shoshonite Origin and Discoverer

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

Etymology of Shonkinite and Shoshonite

Along with Shonkinite and Shoshonite definition, know more about the etymology of Shonkinite and Shoshonite. Etymology of Shonkinite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Shoshonite. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Shoshonite 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 Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Shonkinite and Shoshonite 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 Shoshonite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock