Boninite and Greywacke Definition

Definition of Boninite and Greywacke

The general Boninite and Greywacke 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, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Boninite and Greywacke, get to know about Properties of Boninite and Greywacke. Get to know more information about Boninite and Greywacke origin and discoverer, etymology and class.

History of Boninite and Greywacke

The history of Boninite and Greywacke 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 Greywacke Origin and Discoverer

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

Etymology of Boninite and Greywacke

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

For Boninite,

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

For Greywacke,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock