Soapstone and Shoshonite Definition

Definition of Soapstone and Shoshonite

The general Soapstone and Shoshonite definition can be stated as: It is a metamorphic magnesium rich rock because it is composed of the mineral talc. 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 Soapstone and Shoshonite, get to know about Properties of Soapstone and Shoshonite. Get to know more information about Soapstone and Shoshonite origin and discoverer, etymology and class.

History of Soapstone and Shoshonite

The history of Soapstone 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.

Soapstone and Shoshonite Origin and Discoverer

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

Etymology of Soapstone and Shoshonite

Along with Soapstone and Shoshonite definition, know more about the etymology of Soapstone and Shoshonite. Etymology of Soapstone and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Soapstone and Formation of Shoshonite. The etymology of Soapstone is From 17th century, because of its greasy feel and use like a soap while that of Shoshonite is From 17th century, because of its greasy feel and use like a soap. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Soapstone belongs to Metamorphic Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Soapstone and Shoshonite are listed below.

For Soapstone,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• 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