Basalt and Trondhjemite Definition

Definition of Basalt and Trondhjemite

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

History of Basalt and Trondhjemite

The history of Basalt 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.

Basalt and Trondhjemite Origin and Discoverer

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

Etymology of Basalt and Trondhjemite

Along with Basalt and Trondhjemite definition, know more about the etymology of Basalt and Trondhjemite. Etymology of Basalt and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Trondhjemite. The etymology of Basalt is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites while that of Trondhjemite is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Basalt and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Basalt and Trondhjemite are listed below.

For Basalt,

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