Shoshonite and Nephelinite Definition

Definition of Shoshonite and Nephelinite

The general Shoshonite and Nephelinite definition can be stated as: 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. On the other hand, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Shoshonite and Nephelinite, get to know about Properties of Shoshonite and Nephelinite. Get to know more information about Shoshonite and Nephelinite origin and discoverer, etymology and class.

History of Shoshonite and Nephelinite

The history of Shoshonite and Nephelinite 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.

Shoshonite and Nephelinite Origin and Discoverer

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

Etymology of Shoshonite and Nephelinite

Along with Shoshonite and Nephelinite definition, know more about the etymology of Shoshonite and Nephelinite. Etymology of Shoshonite and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Nephelinite. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Nephelinite is From the place of origin called Shoshone riverin Wyoming. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shoshonite and Nephelinite belong to Igneous Rocks. The sub-class, group and other categories of Shoshonite and Nephelinite are listed below.

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

For Nephelinite,

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