Tonalite and Coquina Definition

Definition of Tonalite and Coquina

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

History of Tonalite and Coquina

The history of Tonalite and Coquina 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.

Tonalite and Coquina Origin and Discoverer

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

Etymology of Tonalite and Coquina

Along with Tonalite and Coquina definition, know more about the etymology of Tonalite and Coquina. Etymology of Tonalite and Coquina gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Coquina. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Coquina is From Tonale Pass, northern Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tonalite belongs to Igneous Rocks while Coquina belongs to Sedimentary Rocks. The sub-class, group and other categories of Tonalite and Coquina are listed below.

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

For Coquina,

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