Troctolite and Tonalite Definition

Definition of Troctolite and Tonalite

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

History of Troctolite and Tonalite

The history of Troctolite and Tonalite 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 Tonalite Origin and Discoverer

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

Etymology of Troctolite and Tonalite

Along with Troctolite and Tonalite definition, know more about the etymology of Troctolite and Tonalite. Etymology of Troctolite and Tonalite gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Tonalite. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Tonalite 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 and Tonalite belong to Igneous Rocks. The sub-class, group and other categories of Troctolite and Tonalite are listed below.

For Troctolite,

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

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