Coquina and Argillite Definition

Definition of Coquina and Argillite

The general Coquina and Argillite 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, Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate. Along with definition of Coquina and Argillite, get to know about Properties of Coquina and Argillite. Get to know more information about Coquina and Argillite origin and discoverer, etymology and class.

History of Coquina and Argillite

The history of Coquina and Argillite 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 Argillite Origin and Discoverer

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

Etymology of Coquina and Argillite

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

For Coquina,

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

For Argillite,

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