Boninite and Shale Definition

Definition of Boninite and Shale

The general Boninite and Shale 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, Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. Along with definition of Boninite and Shale, get to know about Properties of Boninite and Shale. Get to know more information about Boninite and Shale origin and discoverer, etymology and class.

History of Boninite and Shale

The history of Boninite and Shale 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 Shale Origin and Discoverer

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

Etymology of Boninite and Shale

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

For Boninite,

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

For Shale,

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