Arkose and Coquina Definition

Definition of Arkose and Coquina

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

History of Arkose and Coquina

The history of Arkose 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.

Arkose and Coquina Origin and Discoverer

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

Etymology of Arkose and Coquina

Along with Arkose and Coquina definition, know more about the etymology of Arkose and Coquina. Etymology of Arkose and Coquina gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Coquina. The etymology of Arkose is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones while that of Coquina is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Arkose and Coquina belong to Sedimentary Rocks. The sub-class, group and other categories of Arkose and Coquina are listed below.

For Arkose,

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