Trondhjemite and Slate Definition

Definition of Trondhjemite and Slate

The general Trondhjemite and Slate 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, Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. Along with definition of Trondhjemite and Slate, get to know about Properties of Trondhjemite and Slate. Get to know more information about Trondhjemite and Slate origin and discoverer, etymology and class.

History of Trondhjemite and Slate

The history of Trondhjemite and Slate 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 Slate Origin and Discoverer

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

Etymology of Trondhjemite and Slate

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

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