Anorthosite and Trondhjemite Definition

Definition of Anorthosite and Trondhjemite

The general Anorthosite and Trondhjemite definition can be stated as: Anorthosite is a granular igneous rock composed largely of labradorite or 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 Anorthosite and Trondhjemite, get to know about Properties of Anorthosite and Trondhjemite. Get to know more information about Anorthosite and Trondhjemite origin and discoverer, etymology and class.

History of Anorthosite and Trondhjemite

The history of Anorthosite 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.

Anorthosite and Trondhjemite Origin and Discoverer

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

Etymology of Anorthosite and Trondhjemite

Along with Anorthosite and Trondhjemite definition, know more about the etymology of Anorthosite and Trondhjemite. Etymology of Anorthosite and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Trondhjemite. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Trondhjemite is From French anorthose plagioclase + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anorthosite and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Anorthosite and Trondhjemite are listed below.

For Anorthosite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse 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