Troctolite and Coquina Definition

Definition of Troctolite and Coquina

The general Troctolite and Coquina definition can be stated as: 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. 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 Troctolite and Coquina, get to know about Properties of Troctolite and Coquina. Get to know more information about Troctolite and Coquina origin and discoverer, etymology and class.

History of Troctolite and Coquina

The history of Troctolite 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.

Troctolite and Coquina Origin and Discoverer

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

Etymology of Troctolite and Coquina

Along with Troctolite and Coquina definition, know more about the etymology of Troctolite and Coquina. Etymology of Troctolite and Coquina gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Coquina. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Coquina is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite belongs to Igneous Rocks while Coquina belongs to Sedimentary Rocks. The sub-class, group and other categories of Troctolite and Coquina are listed below.

For Troctolite,

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