Boninite and Coal Definition

Definition of Boninite and Coal

The general Boninite and Coal definition can be stated as: Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction. On the other hand, Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. Along with definition of Boninite and Coal, get to know about Properties of Boninite and Coal. Get to know more information about Boninite and Coal origin and discoverer, etymology and class.

History of Boninite and Coal

The history of Boninite and Coal 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.

Boninite and Coal Origin and Discoverer

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

Etymology of Boninite and Coal

Along with Boninite and Coal definition, know more about the etymology of Boninite and Coal. Etymology of Boninite and Coal gives information about origin and formation of a particular rock. Know more about Formation of Boninite and Formation of Coal. The etymology of Boninite is From its occurrence in the Izu-Bonin arc south of Japan while that of Coal is From its occurrence in the Izu-Bonin arc south of Japan. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Boninite belongs to Igneous Rocks while Coal belongs to Sedimentary Rocks. The sub-class, group and other categories of Boninite and Coal are listed below.

For Boninite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock

For Coal,

• Sub-class: Durable Rock and Soft Rock
• Group:
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock