Shonkinite and Pegmatite Definition

Definition of Shonkinite and Pegmatite

The general Shonkinite and Pegmatite 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, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Shonkinite and Pegmatite, get to know about Properties of Shonkinite and Pegmatite. Get to know more information about Shonkinite and Pegmatite origin and discoverer, etymology and class.

History of Shonkinite and Pegmatite

The history of Shonkinite and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Shonkinite and Pegmatite

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

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