Shoshonite and Felsite Definition

Definition of Shoshonite and Felsite

The general Shoshonite and Felsite 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, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Shoshonite and Felsite, get to know about Properties of Shoshonite and Felsite. Get to know more information about Shoshonite and Felsite origin and discoverer, etymology and class.

History of Shoshonite and Felsite

The history of Shoshonite and Felsite 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 Felsite Origin and Discoverer

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

Etymology of Shoshonite and Felsite

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

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock