Coquina and Chert Definition

Definition of Coquina and Chert

The general Coquina and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Coquina and Chert, get to know about Properties of Coquina and Chert. Get to know more information about Coquina and Chert origin and discoverer, etymology and class.

History of Coquina and Chert

The history of Coquina and Chert 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 Chert Origin and Discoverer

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

Etymology of Coquina and Chert

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

For Coquina,

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

For Chert,

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