Tuff and Coquina Definition

Definition of Tuff and Coquina

The general Tuff and Coquina definition can be stated as: Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. 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 Tuff and Coquina, get to know about Properties of Tuff and Coquina. Get to know more information about Tuff and Coquina origin and discoverer, etymology and class.

History of Tuff and Coquina

The history of Tuff 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.

Tuff and Coquina Origin and Discoverer

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

Etymology of Tuff and Coquina

Along with Tuff and Coquina definition, know more about the etymology of Tuff and Coquina. Etymology of Tuff and Coquina gives information about origin and formation of a particular rock. Know more about Formation of Tuff and Formation of Coquina. The etymology of Tuff is From a Latin word tophous then in Italian tufo and finally tuff while that of Coquina is From a Latin word tophous then in Italian tufo and finally tuff. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tuff belongs to Igneous Rocks while Coquina belongs to Sedimentary Rocks. The sub-class, group and other categories of Tuff and Coquina are listed below.

For Tuff,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine 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