Shoshonite and Troctolite Definition

Definition of Shoshonite and Troctolite

The general Shoshonite and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Shoshonite and Troctolite, get to know about Properties of Shoshonite and Troctolite. Get to know more information about Shoshonite and Troctolite origin and discoverer, etymology and class.

History of Shoshonite and Troctolite

The history of Shoshonite and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Shoshonite and Troctolite

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

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock