Chalk and Coquina Definition

Definition of Chalk and Coquina

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

History of Chalk and Coquina

The history of Chalk and Coquina 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 Coquina Origin and Discoverer

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

Etymology of Chalk and Coquina

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

For Chalk,

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

For Coquina,

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