Chalk and Boninite Definition

Definition of Chalk and Boninite

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

History of Chalk and Boninite

The history of Chalk 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.

Chalk and Boninite Origin and Discoverer

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

Etymology of Chalk and Boninite

Along with Chalk and Boninite definition, know more about the etymology of Chalk and Boninite. Etymology of Chalk and Boninite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Boninite. The etymology of Chalk is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone while that of Boninite is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chalk belongs to Sedimentary Rocks while Boninite belongs to Igneous Rocks. The sub-class, group and other categories of Chalk and Boninite are listed below.

For Chalk,

• Sub-class: Durable Rock and Soft 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