Schist and Shoshonite Definition

Definition of Schist and Shoshonite

The general Schist and Shoshonite definition can be stated as: Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. 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 Schist and Shoshonite, get to know about Properties of Schist and Shoshonite. Get to know more information about Schist and Shoshonite origin and discoverer, etymology and class.

History of Schist and Shoshonite

The history of Schist 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.

Schist and Shoshonite Origin and Discoverer

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

Etymology of Schist and Shoshonite

Along with Schist and Shoshonite definition, know more about the etymology of Schist and Shoshonite. Etymology of Schist and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Schist and Formation of Shoshonite. The etymology of Schist is From French schiste, Greek skhistos i.e. split while that of Shoshonite is From French schiste, Greek skhistos i.e. split. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Schist belongs to Metamorphic Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Schist and Shoshonite are listed below.

For Schist,

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