Trondhjemite and Foidolite Definition

Definition of Trondhjemite and Foidolite

The general Trondhjemite and Foidolite 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, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Trondhjemite and Foidolite, get to know about Properties of Trondhjemite and Foidolite. Get to know more information about Trondhjemite and Foidolite origin and discoverer, etymology and class.

History of Trondhjemite and Foidolite

The history of Trondhjemite and Foidolite 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 Foidolite Origin and Discoverer

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

Etymology of Trondhjemite and Foidolite

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

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