Tephrite and Trondhjemite Definition

Definition of Tephrite and Trondhjemite

The general Tephrite and Trondhjemite definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic 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 Tephrite and Trondhjemite, get to know about Properties of Tephrite and Trondhjemite. Get to know more information about Tephrite and Trondhjemite origin and discoverer, etymology and class.

History of Tephrite and Trondhjemite

The history of Tephrite 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.

Tephrite and Trondhjemite Origin and Discoverer

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

Etymology of Tephrite and Trondhjemite

Along with Tephrite and Trondhjemite definition, know more about the etymology of Tephrite and Trondhjemite. Etymology of Tephrite and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Tephrite and Formation of Trondhjemite. The etymology of Tephrite is From Greek tephra, ashes from Indo-European base, to burn while that of Trondhjemite is From Greek tephra, ashes from Indo-European base, to burn. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tephrite and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Tephrite and Trondhjemite are listed below.

For Tephrite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, 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