Troctolite and Trondhjemite Definition

Definition of Troctolite and Trondhjemite

The general Troctolite and Trondhjemite 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, Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. Along with definition of Troctolite and Trondhjemite, get to know about Properties of Troctolite and Trondhjemite. Get to know more information about Troctolite and Trondhjemite origin and discoverer, etymology and class.

History of Troctolite and Trondhjemite

The history of Troctolite and Trondhjemite 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 Trondhjemite Origin and Discoverer

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

Etymology of Troctolite and Trondhjemite

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

For Troctolite,

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

For Trondhjemite,

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