Trondhjemite and Trachyte Definition

Definition of Trondhjemite and Trachyte

The general Trondhjemite and Trachyte 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, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Trondhjemite and Trachyte, get to know about Properties of Trondhjemite and Trachyte. Get to know more information about Trondhjemite and Trachyte origin and discoverer, etymology and class.

History of Trondhjemite and Trachyte

The history of Trondhjemite and Trachyte 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 Trachyte Origin and Discoverer

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

Etymology of Trondhjemite and Trachyte

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

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