The general Trondhjemite and Nepheline Syenite 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, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Trondhjemite and Nepheline Syenite, get to know about Properties of Trondhjemite and Nepheline Syenite. Get to know more information about Trondhjemite and Nepheline Syenite origin and discoverer, etymology and class.
The history of Trondhjemite and Nepheline Syenite 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 Nepheline Syenite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Trondhjemite and Nepheline Syenite. In this section, you will know about Trondhjemite and Nepheline Syenite Origin and Discoverer. Origin of Trondhjemite is Tonale, Italy whereas Origin of Nepheline Syenite is Unknown. It is interesting to know the name of Trondhjemite and Nepheline Syenite discoverer. The discoverer of Trondhjemite and Nepheline Syenite are Unknown.
Along with Trondhjemite and Nepheline Syenite definition, know more about the etymology of Trondhjemite and Nepheline Syenite. Etymology of Trondhjemite and Nepheline Syenite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Nepheline Syenite. The etymology of Trondhjemite is not available while that of Nepheline Syenite 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 and Nepheline Syenite belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Nepheline Syenite are listed below.
For Trondhjemite,
For Nepheline Syenite,