Trondhjemite and Pumice Definition

Definition of Trondhjemite and Pumice

The general Trondhjemite and Pumice 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, Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. Along with definition of Trondhjemite and Pumice, get to know about Properties of Trondhjemite and Pumice. Get to know more information about Trondhjemite and Pumice origin and discoverer, etymology and class.

History of Trondhjemite and Pumice

The history of Trondhjemite and Pumice 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 Pumice Origin and Discoverer

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

Etymology of Trondhjemite and Pumice

Along with Trondhjemite and Pumice definition, know more about the etymology of Trondhjemite and Pumice. Etymology of Trondhjemite and Pumice gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Pumice. The etymology of Trondhjemite is not available while that of Pumice 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 Pumice belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Pumice 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 Pumice,

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