Shonkinite and Gneiss Definition

Definition of Shonkinite and Gneiss

The general Shonkinite and Gneiss 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, Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Along with definition of Shonkinite and Gneiss, get to know about Properties of Shonkinite and Gneiss. Get to know more information about Shonkinite and Gneiss origin and discoverer, etymology and class.

History of Shonkinite and Gneiss

The history of Shonkinite and Gneiss 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 Gneiss Origin and Discoverer

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

Etymology of Shonkinite and Gneiss

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

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