Coquina and Dunite Definition

Definition of Coquina and Dunite

The general Coquina and Dunite definition can be stated as: Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates. On the other hand, Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. Along with definition of Coquina and Dunite, get to know about Properties of Coquina and Dunite. Get to know more information about Coquina and Dunite origin and discoverer, etymology and class.

History of Coquina and Dunite

The history of Coquina 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.

Coquina and Dunite Origin and Discoverer

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

Etymology of Coquina and Dunite

Along with Coquina and Dunite definition, know more about the etymology of Coquina and Dunite. Etymology of Coquina and Dunite gives information about origin and formation of a particular rock. Know more about Formation of Coquina and Formation of Dunite. The etymology of Coquina is From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century) while that of Dunite is From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Coquina belongs to Sedimentary Rocks while Dunite belongs to Igneous Rocks. The sub-class, group and other categories of Coquina and Dunite are listed below.

For Coquina,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse 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