Chert and Shoshonite Definition

Definition of Chert and Shoshonite

The general Chert and Shoshonite definition can be stated as: Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. 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 Chert and Shoshonite, get to know about Properties of Chert and Shoshonite. Get to know more information about Chert and Shoshonite origin and discoverer, etymology and class.

History of Chert and Shoshonite

The history of Chert 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.

Chert and Shoshonite Origin and Discoverer

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

Etymology of Chert and Shoshonite

Along with Chert and Shoshonite definition, know more about the etymology of Chert and Shoshonite. Etymology of Chert and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Shoshonite. The etymology of Chert is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use while that of Shoshonite is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chert belongs to Sedimentary Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Chert and Shoshonite are listed below.

For Chert,

• Sub-class: Durable Rock and Hard 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