Trondhjemite and Argillite Definition

Definition of Trondhjemite and Argillite

The general Trondhjemite and Argillite 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, Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate. Along with definition of Trondhjemite and Argillite, get to know about Properties of Trondhjemite and Argillite. Get to know more information about Trondhjemite and Argillite origin and discoverer, etymology and class.

History of Trondhjemite and Argillite

The history of Trondhjemite and Argillite 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 Argillite Origin and Discoverer

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

Etymology of Trondhjemite and Argillite

Along with Trondhjemite and Argillite definition, know more about the etymology of Trondhjemite and Argillite. Etymology of Trondhjemite and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Argillite. The etymology of Trondhjemite is not available while that of Argillite is not available. 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 Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Trondhjemite and Argillite 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 Argillite,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock