Pyroxenite and Shoshonite Definition

Definition of Pyroxenite and Shoshonite

The general Pyroxenite and Shoshonite definition can be stated as: Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine. 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 Pyroxenite and Shoshonite, get to know about Properties of Pyroxenite and Shoshonite. Get to know more information about Pyroxenite and Shoshonite origin and discoverer, etymology and class.

History of Pyroxenite and Shoshonite

The history of Pyroxenite 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.

Pyroxenite and Shoshonite Origin and Discoverer

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

Etymology of Pyroxenite and Shoshonite

Along with Pyroxenite and Shoshonite definition, know more about the etymology of Pyroxenite and Shoshonite. Etymology of Pyroxenite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Pyroxenite and Formation of Shoshonite. The etymology of Pyroxenite is From pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks while that of Shoshonite is From pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pyroxenite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Pyroxenite and Shoshonite are listed below.

For Pyroxenite,

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