Norite and Trondhjemite Definition

Definition of Norite and Trondhjemite

The general Norite and Trondhjemite definition can be stated as: Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. 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 Norite and Trondhjemite, get to know about Properties of Norite and Trondhjemite. Get to know more information about Norite and Trondhjemite origin and discoverer, etymology and class.

History of Norite and Trondhjemite

The history of Norite 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.

Norite and Trondhjemite Origin and Discoverer

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

Etymology of Norite and Trondhjemite

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

For Norite,

• 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