Adakite and Trondhjemite Definition

Definition of Adakite and Trondhjemite

The general Adakite and Trondhjemite definition can be stated as: Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. 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 Adakite and Trondhjemite, get to know about Properties of Adakite and Trondhjemite. Get to know more information about Adakite and Trondhjemite origin and discoverer, etymology and class.

History of Adakite and Trondhjemite

The history of Adakite 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.

Adakite and Trondhjemite Origin and Discoverer

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

Etymology of Adakite and Trondhjemite

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

For Adakite,

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