Trondhjemite and Icelandite Definition

Definition of Trondhjemite and Icelandite

The general Trondhjemite and Icelandite 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, Icelandite belongs to volcanic igneous rocks which is rich in iron and belongs to andesite rock. Along with definition of Trondhjemite and Icelandite, get to know about Properties of Trondhjemite and Icelandite. Get to know more information about Trondhjemite and Icelandite origin and discoverer, etymology and class.

History of Trondhjemite and Icelandite

The history of Trondhjemite and Icelandite 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 Icelandite Origin and Discoverer

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

Etymology of Trondhjemite and Icelandite

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

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