Anorthosite and Shoshonite Definition

Definition of Anorthosite and Shoshonite

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

History of Anorthosite and Shoshonite

The history of Anorthosite 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.

Anorthosite and Shoshonite Origin and Discoverer

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

Etymology of Anorthosite and Shoshonite

Along with Anorthosite and Shoshonite definition, know more about the etymology of Anorthosite and Shoshonite. Etymology of Anorthosite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Shoshonite. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Shoshonite is From French anorthose plagioclase + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anorthosite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Anorthosite and Shoshonite are listed below.

For Anorthosite,

• Sub-class: Durable Rock and Medium Hardness 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