Coquina and Tonalite Definition

Definition of Coquina and Tonalite

The general Coquina and Tonalite 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, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Coquina and Tonalite, get to know about Properties of Coquina and Tonalite. Get to know more information about Coquina and Tonalite origin and discoverer, etymology and class.

History of Coquina and Tonalite

The history of Coquina and Tonalite 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 Tonalite Origin and Discoverer

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

Etymology of Coquina and Tonalite

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

For Coquina,

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

For Tonalite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock