Shonkinite and Norite Definition

Definition of Shonkinite and Norite

The general Shonkinite and Norite 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, Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Along with definition of Shonkinite and Norite, get to know about Properties of Shonkinite and Norite. Get to know more information about Shonkinite and Norite origin and discoverer, etymology and class.

History of Shonkinite and Norite

The history of Shonkinite and Norite 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 Norite Origin and Discoverer

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

Etymology of Shonkinite and Norite

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

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