Syenite and Shoshonite Definition

Definition of Syenite and Shoshonite

The general Syenite and Shoshonite definition can be stated as: Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. 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 Syenite and Shoshonite, get to know about Properties of Syenite and Shoshonite. Get to know more information about Syenite and Shoshonite origin and discoverer, etymology and class.

History of Syenite and Shoshonite

The history of Syenite 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.

Syenite and Shoshonite Origin and Discoverer

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

Etymology of Syenite and Shoshonite

Along with Syenite and Shoshonite definition, know more about the etymology of Syenite and Shoshonite. Etymology of Syenite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Syenite and Formation of Shoshonite. The etymology of Syenite is From French syénite, from Latin Syenites (lapis ) (stone) of Syene while that of Shoshonite is From French syénite, from Latin Syenites (lapis ) (stone) of Syene. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Syenite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Syenite and Shoshonite are listed below.

For Syenite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• 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