Coal and Shoshonite Definition

Definition of Coal and Shoshonite

The general Coal and Shoshonite definition can be stated as: Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. 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 Coal and Shoshonite, get to know about Properties of Coal and Shoshonite. Get to know more information about Coal and Shoshonite origin and discoverer, etymology and class.

History of Coal and Shoshonite

The history of Coal 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.

Coal and Shoshonite Origin and Discoverer

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

Etymology of Coal and Shoshonite

Along with Coal and Shoshonite definition, know more about the etymology of Coal and Shoshonite. Etymology of Coal and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Coal and Formation of Shoshonite. The etymology of Coal is From the Old English term col, which has meant mineral of fossilized carbon since the 13th century while that of Shoshonite is From the Old English term col, which has meant mineral of fossilized carbon since the 13th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Coal belongs to Sedimentary Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Coal and Shoshonite are listed below.

For Coal,

• 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