Shoshonite and Anorthosite Definition

Definition of Shoshonite and Anorthosite

The general Shoshonite and Anorthosite 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, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Shoshonite and Anorthosite, get to know about Properties of Shoshonite and Anorthosite. Get to know more information about Shoshonite and Anorthosite origin and discoverer, etymology and class.

History of Shoshonite and Anorthosite

The history of Shoshonite and Anorthosite 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 Anorthosite Origin and Discoverer

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

Etymology of Shoshonite and Anorthosite

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

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