Andesite and Shoshonite Definition

Definition of Andesite and Shoshonite

The general Andesite and Shoshonite definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. 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 Andesite and Shoshonite, get to know about Properties of Andesite and Shoshonite. Get to know more information about Andesite and Shoshonite origin and discoverer, etymology and class.

History of Andesite and Shoshonite

The history of Andesite 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.

Andesite and Shoshonite Origin and Discoverer

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

Etymology of Andesite and Shoshonite

Along with Andesite and Shoshonite definition, know more about the etymology of Andesite and Shoshonite. Etymology of Andesite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Andesite and Formation of Shoshonite. The etymology of Andesite is From Andes mountains, where it is found in abundance while that of Shoshonite is From Andes mountains, where it is found in abundance. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Andesite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Andesite and Shoshonite are listed below.

For Andesite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Fine 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