Trondhjemite and Basalt Definition

Definition of Trondhjemite and Basalt

The general Trondhjemite and Basalt 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, Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. Along with definition of Trondhjemite and Basalt, get to know about Properties of Trondhjemite and Basalt. Get to know more information about Trondhjemite and Basalt origin and discoverer, etymology and class.

History of Trondhjemite and Basalt

The history of Trondhjemite and Basalt 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 Basalt Origin and Discoverer

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

Etymology of Trondhjemite and Basalt

Along with Trondhjemite and Basalt definition, know more about the etymology of Trondhjemite and Basalt. Etymology of Trondhjemite and Basalt gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Basalt. The etymology of Trondhjemite is From Trondheim, Norway while that of Basalt 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 Basalt belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Basalt 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 Basalt,

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