Amphibolite and Trondhjemite Definition

Definition of Amphibolite and Trondhjemite

The general Amphibolite and Trondhjemite definition can be stated as: Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. 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 Amphibolite and Trondhjemite, get to know about Properties of Amphibolite and Trondhjemite. Get to know more information about Amphibolite and Trondhjemite origin and discoverer, etymology and class.

History of Amphibolite and Trondhjemite

The history of Amphibolite 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.

Amphibolite and Trondhjemite Origin and Discoverer

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

Etymology of Amphibolite and Trondhjemite

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

For Amphibolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• 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