Trondhjemite and Amphibolite Definition

Definition of Trondhjemite and Amphibolite

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

History of Trondhjemite and Amphibolite

The history of Trondhjemite and Amphibolite 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 Amphibolite Origin and Discoverer

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

Etymology of Trondhjemite and Amphibolite

Along with Trondhjemite and Amphibolite definition, know more about the etymology of Trondhjemite and Amphibolite. Etymology of Trondhjemite and Amphibolite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Amphibolite. The etymology of Trondhjemite is not available while that of Amphibolite is not available. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite belongs to Igneous Rocks while Amphibolite belongs to Metamorphic Rocks. The sub-class, group and other categories of Trondhjemite and Amphibolite 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 Amphibolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock