Trondhjemite and Anorthosite Definition

Definition of Trondhjemite and Anorthosite

The general Trondhjemite and Anorthosite 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, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Trondhjemite and Anorthosite, get to know about Properties of Trondhjemite and Anorthosite. Get to know more information about Trondhjemite and Anorthosite origin and discoverer, etymology and class.

History of Trondhjemite and Anorthosite

The history of Trondhjemite and Anorthosite 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 Anorthosite Origin and Discoverer

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

Etymology of Trondhjemite and Anorthosite

Along with Trondhjemite and Anorthosite definition, know more about the etymology of Trondhjemite and Anorthosite. Etymology of Trondhjemite and Anorthosite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Anorthosite. The etymology of Trondhjemite is From Trondheim, Norway while that of Anorthosite is From Trondheim, Norway. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite and Anorthosite belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Anorthosite 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 Anorthosite,

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