Coquina and Porphyry Definition

Definition of Coquina and Porphyry

The general Coquina and Porphyry 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, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Coquina and Porphyry, get to know about Properties of Coquina and Porphyry. Get to know more information about Coquina and Porphyry origin and discoverer, etymology and class.

History of Coquina and Porphyry

The history of Coquina and Porphyry 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 Porphyry Origin and Discoverer

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

Etymology of Coquina and Porphyry

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

For Coquina,

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

For Porphyry,

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