Shoshonite and Andesite Definition

Definition of Shoshonite and Andesite

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

History of Shoshonite and Andesite

The history of Shoshonite and Andesite 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 Andesite Origin and Discoverer

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

Etymology of Shoshonite and Andesite

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

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