Picrite and Trondhjemite Definition

Definition of Picrite and Trondhjemite

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

History of Picrite and Trondhjemite

The history of Picrite 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.

Picrite and Trondhjemite Origin and Discoverer

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

Etymology of Picrite and Trondhjemite

Along with Picrite and Trondhjemite definition, know more about the etymology of Picrite and Trondhjemite. Etymology of Picrite and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Trondhjemite. The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Trondhjemite is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Picrite and Trondhjemite are listed below.

For Picrite,

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