Trondhjemite and Scoria Definition

Definition of Trondhjemite and Scoria

The general Trondhjemite and Scoria 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, Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Along with definition of Trondhjemite and Scoria, get to know about Properties of Trondhjemite and Scoria. Get to know more information about Trondhjemite and Scoria origin and discoverer, etymology and class.

History of Trondhjemite and Scoria

The history of Trondhjemite and Scoria 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 Scoria Origin and Discoverer

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

Etymology of Trondhjemite and Scoria

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

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