Trondhjemite and Troctolite Definition

Definition of Trondhjemite and Troctolite

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

History of Trondhjemite and Troctolite

The history of Trondhjemite 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.

Trondhjemite and Troctolite Origin and Discoverer

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

Etymology of Trondhjemite and Troctolite

Along with Trondhjemite and Troctolite definition, know more about the etymology of Trondhjemite and Troctolite. Etymology of Trondhjemite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Troctolite. The etymology of Trondhjemite is not available while that of Troctolite is not available. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite and Troctolite belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Troctolite are listed below.

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

For Troctolite,

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