Chalk and Dunite Definition

Definition of Chalk and Dunite

The general Chalk and Dunite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. Along with definition of Chalk and Dunite, get to know about Properties of Chalk and Dunite. Get to know more information about Chalk and Dunite origin and discoverer, etymology and class.

History of Chalk and Dunite

The history of Chalk and Dunite 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 Dunite Origin and Discoverer

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

Etymology of Chalk and Dunite

Along with Chalk and Dunite definition, know more about the etymology of Chalk and Dunite. Etymology of Chalk and Dunite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Dunite. 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 Dunite 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 Dunite belongs to Igneous Rocks. The sub-class, group and other categories of Chalk and Dunite are listed below.

For Chalk,

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

For Dunite,

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