Diorite and Trondhjemite Definition

Definition of Diorite and Trondhjemite

The general Diorite and Trondhjemite definition can be stated as: Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. 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 Diorite and Trondhjemite, get to know about Properties of Diorite and Trondhjemite. Get to know more information about Diorite and Trondhjemite origin and discoverer, etymology and class.

History of Diorite and Trondhjemite

The history of Diorite 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.

Diorite and Trondhjemite Origin and Discoverer

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

Etymology of Diorite and Trondhjemite

Along with Diorite and Trondhjemite definition, know more about the etymology of Diorite and Trondhjemite. Etymology of Diorite and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Diorite and Formation of Trondhjemite. The etymology of Diorite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish while that of Trondhjemite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Diorite and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Diorite and Trondhjemite are listed below.

For Diorite,

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