Troctolite and Shoshonite Definition

Definition of Troctolite and Shoshonite

The general Troctolite and Shoshonite definition can be stated as: 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. 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 Troctolite and Shoshonite, get to know about Properties of Troctolite and Shoshonite. Get to know more information about Troctolite and Shoshonite origin and discoverer, etymology and class.

History of Troctolite and Shoshonite

The history of Troctolite 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.

Troctolite and Shoshonite Origin and Discoverer

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

Etymology of Troctolite and Shoshonite

Along with Troctolite and Shoshonite definition, know more about the etymology of Troctolite and Shoshonite. Etymology of Troctolite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Shoshonite. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Shoshonite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Troctolite and Shoshonite are listed below.

For Troctolite,

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