Trondhjemite and Hornfels Definition

Definition of Trondhjemite and Hornfels

The general Trondhjemite and Hornfels 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, Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. Along with definition of Trondhjemite and Hornfels, get to know about Properties of Trondhjemite and Hornfels. Get to know more information about Trondhjemite and Hornfels origin and discoverer, etymology and class.

History of Trondhjemite and Hornfels

The history of Trondhjemite and Hornfels 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 Hornfels Origin and Discoverer

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

Etymology of Trondhjemite and Hornfels

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

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