Shoshonite and Phonolite Definition

Definition of Shoshonite and Phonolite

The general Shoshonite and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Shoshonite and Phonolite, get to know about Properties of Shoshonite and Phonolite. Get to know more information about Shoshonite and Phonolite origin and discoverer, etymology and class.

History of Shoshonite and Phonolite

The history of Shoshonite and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Shoshonite and Phonolite

Along with Shoshonite and Phonolite definition, know more about the etymology of Shoshonite and Phonolite. Etymology of Shoshonite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Phonolite. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Phonolite 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 Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Shoshonite and Phonolite 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 Phonolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock