Coquina and Greywacke Definition

Definition of Coquina and Greywacke

The general Coquina and Greywacke 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, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Coquina and Greywacke, get to know about Properties of Coquina and Greywacke. Get to know more information about Coquina and Greywacke origin and discoverer, etymology and class.

History of Coquina and Greywacke

The history of Coquina and Greywacke 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 Greywacke Origin and Discoverer

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

Etymology of Coquina and Greywacke

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

For Coquina,

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

For Greywacke,

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