Trondhjemite and Rhyolite Definition

Definition of Trondhjemite and Rhyolite

The general Trondhjemite and Rhyolite 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, Rhyolite is a fine-grained igneous rock which is rich in silica. Along with definition of Trondhjemite and Rhyolite, get to know about Properties of Trondhjemite and Rhyolite. Get to know more information about Trondhjemite and Rhyolite origin and discoverer, etymology and class.

History of Trondhjemite and Rhyolite

The history of Trondhjemite and Rhyolite 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 Rhyolite Origin and Discoverer

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

Etymology of Trondhjemite and Rhyolite

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

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