Rapakivi Granite and Trondhjemite Definition

Definition of Rapakivi Granite and Trondhjemite

The general Rapakivi Granite and Trondhjemite definition can be stated as: Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. 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 Rapakivi Granite and Trondhjemite, get to know about Properties of Rapakivi Granite and Trondhjemite. Get to know more information about Rapakivi Granite and Trondhjemite origin and discoverer, etymology and class.

History of Rapakivi Granite and Trondhjemite

The history of Rapakivi Granite 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.

Rapakivi Granite and Trondhjemite Origin and Discoverer

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

Etymology of Rapakivi Granite and Trondhjemite

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

For Rapakivi Granite,

• Sub-class: Durable Rock and Hard 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