Coquina and Troctolite Definition

Definition of Coquina and Troctolite

The general Coquina and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Coquina and Troctolite, get to know about Properties of Coquina and Troctolite. Get to know more information about Coquina and Troctolite origin and discoverer, etymology and class.

History of Coquina and Troctolite

The history of Coquina and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Coquina and Troctolite

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

For Coquina,

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

For Troctolite,

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