Anthracite and Shoshonite Definition

Definition of Anthracite and Shoshonite

The general Anthracite and Shoshonite definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. 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 Anthracite and Shoshonite, get to know about Properties of Anthracite and Shoshonite. Get to know more information about Anthracite and Shoshonite origin and discoverer, etymology and class.

History of Anthracite and Shoshonite

The history of Anthracite 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.

Anthracite and Shoshonite Origin and Discoverer

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

Etymology of Anthracite and Shoshonite

Along with Anthracite and Shoshonite definition, know more about the etymology of Anthracite and Shoshonite. Etymology of Anthracite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Shoshonite. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Shoshonite is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Shoshonite are listed below.

For Anthracite,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium 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