Greywacke and Boninite Definition

Definition of Greywacke and Boninite

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

History of Greywacke and Boninite

The history of Greywacke and Boninite 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.

Greywacke and Boninite Origin and Discoverer

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

Etymology of Greywacke and Boninite

Along with Greywacke and Boninite definition, know more about the etymology of Greywacke and Boninite. Etymology of Greywacke and Boninite gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Boninite. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Boninite is From German Grauwacke, from grau grey + wacke. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Greywacke belongs to Sedimentary Rocks while Boninite belongs to Igneous Rocks. The sub-class, group and other categories of Greywacke and Boninite are listed below.

For Greywacke,

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

For Boninite,

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