Trondhjemite and Arkose Definition

Definition of Trondhjemite and Arkose

The general Trondhjemite and Arkose 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, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Trondhjemite and Arkose, get to know about Properties of Trondhjemite and Arkose. Get to know more information about Trondhjemite and Arkose origin and discoverer, etymology and class.

History of Trondhjemite and Arkose

The history of Trondhjemite and Arkose 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 Arkose Origin and Discoverer

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

Etymology of Trondhjemite and Arkose

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

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