Trondhjemite and Picrite Definition

Definition of Trondhjemite and Picrite

The general Trondhjemite and Picrite 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, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Trondhjemite and Picrite, get to know about Properties of Trondhjemite and Picrite. Get to know more information about Trondhjemite and Picrite origin and discoverer, etymology and class.

History of Trondhjemite and Picrite

The history of Trondhjemite and Picrite 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 Picrite Origin and Discoverer

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

Etymology of Trondhjemite and Picrite

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

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock