Foidolite and Trondhjemite Definition

Definition of Foidolite and Trondhjemite

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

History of Foidolite and Trondhjemite

The history of Foidolite and Trondhjemite 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.

Foidolite and Trondhjemite Origin and Discoverer

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

Etymology of Foidolite and Trondhjemite

Along with Foidolite and Trondhjemite definition, know more about the etymology of Foidolite and Trondhjemite. Etymology of Foidolite and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Trondhjemite. The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Trondhjemite is From the mineral feldspathoid which is the main content of rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Foidolite and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Foidolite and Trondhjemite are listed below.

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

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