Trachyandesite and Trondhjemite Definition

Definition of Trachyandesite and Trondhjemite

The general Trachyandesite and Trondhjemite definition can be stated as: Trachyandesite is an extrusive igneous rock.. 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 Trachyandesite and Trondhjemite, get to know about Properties of Trachyandesite and Trondhjemite. Get to know more information about Trachyandesite and Trondhjemite origin and discoverer, etymology and class.

History of Trachyandesite and Trondhjemite

The history of Trachyandesite 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.

Trachyandesite and Trondhjemite Origin and Discoverer

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

Etymology of Trachyandesite and Trondhjemite

Along with Trachyandesite and Trondhjemite definition, know more about the etymology of Trachyandesite and Trondhjemite. Etymology of Trachyandesite and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Trachyandesite and Formation of Trondhjemite. The etymology of Trachyandesite is From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite while that of Trondhjemite is From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trachyandesite and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Trachyandesite and Trondhjemite are listed below.

For Trachyandesite,

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