Coquina and Nephelinite Definition

Definition of Coquina and Nephelinite

The general Coquina and Nephelinite 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, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Coquina and Nephelinite, get to know about Properties of Coquina and Nephelinite. Get to know more information about Coquina and Nephelinite origin and discoverer, etymology and class.

History of Coquina and Nephelinite

The history of Coquina and Nephelinite 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 Nephelinite Origin and Discoverer

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

Etymology of Coquina and Nephelinite

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

For Coquina,

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

For Nephelinite,

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