Pumice and Shoshonite Definition

Definition of Pumice and Shoshonite

The general Pumice and Shoshonite definition can be stated as: Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. 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 Pumice and Shoshonite, get to know about Properties of Pumice and Shoshonite. Get to know more information about Pumice and Shoshonite origin and discoverer, etymology and class.

History of Pumice and Shoshonite

The history of Pumice 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.

Pumice and Shoshonite Origin and Discoverer

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

Etymology of Pumice and Shoshonite

Along with Pumice and Shoshonite definition, know more about the etymology of Pumice and Shoshonite. Etymology of Pumice and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Pumice and Formation of Shoshonite. The etymology of Pumice is From Old French pomis, from a Latin dialect variant of pumex while that of Shoshonite is From Old French pomis, from a Latin dialect variant of pumex. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pumice and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Pumice and Shoshonite are listed below.

For Pumice,

• Sub-class: Durable Rock and Medium Hardness 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