Amphibolite and Troctolite Definition

Definition of Amphibolite and Troctolite

The general Amphibolite and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Amphibolite and Troctolite, get to know about Properties of Amphibolite and Troctolite. Get to know more information about Amphibolite and Troctolite origin and discoverer, etymology and class.

History of Amphibolite and Troctolite

The history of Amphibolite and Troctolite 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 Troctolite Origin and Discoverer

Amphibolite and Troctolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Amphibolite and Troctolite. In this section, you will know about Amphibolite and Troctolite Origin and Discoverer. Origin of Amphibolite and Troctolite are Unknown. It is interesting to know the name of Amphibolite and Troctolite discoverer. The Discoverer of Amphibolite is Alexandre Brongniart and the discoverer of Troctolite is Christian Leopold von Buch.

Etymology of Amphibolite and Troctolite

Along with Amphibolite and Troctolite definition, know more about the etymology of Amphibolite and Troctolite. Etymology of Amphibolite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Amphibolite and Formation of Troctolite. The etymology of Amphibolite is From Amphibole + -ite while that of Troctolite 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 Troctolite belongs to Igneous Rocks. The sub-class, group and other categories of Amphibolite and Troctolite 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 Troctolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock