Coquina and Adakite Definition

Definition of Coquina and Adakite

The general Coquina and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Coquina and Adakite, get to know about Properties of Coquina and Adakite. Get to know more information about Coquina and Adakite origin and discoverer, etymology and class.

History of Coquina and Adakite

The history of Coquina and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Coquina and Adakite

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

For Coquina,

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

For Adakite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock, Medium grained rock and Opaque rock