Trondhjemite and Felsite Definition

Definition of Trondhjemite and Felsite

The general Trondhjemite and Felsite 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, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Trondhjemite and Felsite, get to know about Properties of Trondhjemite and Felsite. Get to know more information about Trondhjemite and Felsite origin and discoverer, etymology and class.

History of Trondhjemite and Felsite

The history of Trondhjemite and Felsite 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 Felsite Origin and Discoverer

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

Etymology of Trondhjemite and Felsite

Along with Trondhjemite and Felsite definition, know more about the etymology of Trondhjemite and Felsite. Etymology of Trondhjemite and Felsite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Felsite. The etymology of Trondhjemite is not available while that of Felsite 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 and Felsite belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Felsite 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 Felsite,

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