Coquina and Chalk Definition

Definition of Coquina and Chalk

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

History of Coquina and Chalk

The history of Coquina 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.

Coquina and Chalk Origin and Discoverer

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

Etymology of Coquina and Chalk

Along with Coquina and Chalk definition, know more about the etymology of Coquina and Chalk. Etymology of Coquina and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Coquina and Formation of Chalk. The etymology of Coquina is From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century) while that of Chalk 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 and Chalk belong to Sedimentary Rocks. The sub-class, group and other categories of Coquina and Chalk are listed below.

For Coquina,

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