Trondhjemite and Chert Definition

Definition of Trondhjemite and Chert

The general Trondhjemite and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Trondhjemite and Chert, get to know about Properties of Trondhjemite and Chert. Get to know more information about Trondhjemite and Chert origin and discoverer, etymology and class.

History of Trondhjemite and Chert

The history of Trondhjemite and Chert 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 Chert Origin and Discoverer

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

Etymology of Trondhjemite and Chert

Along with Trondhjemite and Chert definition, know more about the etymology of Trondhjemite and Chert. Etymology of Trondhjemite and Chert gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Chert. The etymology of Trondhjemite is From Trondheim, Norway while that of Chert 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 belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks. The sub-class, group and other categories of Trondhjemite and Chert 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 Chert,

• Sub-class: Durable Rock and Hard Rock
• Group:
• Other Categories: Fine grained rock and Opaque rock