Shoshonite and Picrite Definition

Definition of Shoshonite and Picrite

The general Shoshonite and Picrite 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, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Shoshonite and Picrite, get to know about Properties of Shoshonite and Picrite. Get to know more information about Shoshonite and Picrite origin and discoverer, etymology and class.

History of Shoshonite and Picrite

The history of Shoshonite and Picrite 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 Picrite Origin and Discoverer

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

Etymology of Shoshonite and Picrite

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

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