Shoshonite and Arkose Definition

Definition of Shoshonite and Arkose

The general Shoshonite and Arkose 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, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Shoshonite and Arkose, get to know about Properties of Shoshonite and Arkose. Get to know more information about Shoshonite and Arkose origin and discoverer, etymology and class.

History of Shoshonite and Arkose

The history of Shoshonite and Arkose 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 Arkose Origin and Discoverer

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

Etymology of Shoshonite and Arkose

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

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock and Opaque rock