Granodiorite and Trondhjemite Definition

Definition of Granodiorite and Trondhjemite

The general Granodiorite and Trondhjemite definition can be stated as: Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite. 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 Granodiorite and Trondhjemite, get to know about Properties of Granodiorite and Trondhjemite. Get to know more information about Granodiorite and Trondhjemite origin and discoverer, etymology and class.

History of Granodiorite and Trondhjemite

The history of Granodiorite 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.

Granodiorite and Trondhjemite Origin and Discoverer

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

Etymology of Granodiorite and Trondhjemite

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

For Granodiorite,

• Sub-class: Durable Rock and Medium Hardness 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