Trondhjemite and Tachylite Definition

Definition of Trondhjemite and Tachylite

The general Trondhjemite and Tachylite 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, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Trondhjemite and Tachylite, get to know about Properties of Trondhjemite and Tachylite. Get to know more information about Trondhjemite and Tachylite origin and discoverer, etymology and class.

History of Trondhjemite and Tachylite

The history of Trondhjemite and Tachylite 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 Tachylite Origin and Discoverer

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

Etymology of Trondhjemite and Tachylite

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

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