Trondhjemite and Theralite Definition

Definition of Trondhjemite and Theralite

The general Trondhjemite and Theralite 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, Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. Along with definition of Trondhjemite and Theralite, get to know about Properties of Trondhjemite and Theralite. Get to know more information about Trondhjemite and Theralite origin and discoverer, etymology and class.

History of Trondhjemite and Theralite

The history of Trondhjemite and Theralite 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 Theralite Origin and Discoverer

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

Etymology of Trondhjemite and Theralite

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

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