Coquina and Arkose Definition

Definition of Coquina and Arkose

The general Coquina and Arkose 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, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Coquina and Arkose, get to know about Properties of Coquina and Arkose. Get to know more information about Coquina and Arkose origin and discoverer, etymology and class.

History of Coquina and Arkose

The history of Coquina and Arkose 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 Arkose Origin and Discoverer

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

Etymology of Coquina and Arkose

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

For Coquina,

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

For Arkose,

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