Boninite and Chalk Definition

Definition of Boninite and Chalk

The general Boninite and Chalk 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, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Boninite and Chalk, get to know about Properties of Boninite and Chalk. Get to know more information about Boninite and Chalk origin and discoverer, etymology and class.

History of Boninite and Chalk

The history of Boninite and Chalk 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 Chalk Origin and Discoverer

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

Etymology of Boninite and Chalk

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

For Boninite,

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

For Chalk,

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