Trondhjemite and Rhomb Porphyry Definition

Definition of Trondhjemite and Rhomb Porphyry

The general Trondhjemite and Rhomb Porphyry 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, Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts. Along with definition of Trondhjemite and Rhomb Porphyry, get to know about Properties of Trondhjemite and Rhomb Porphyry. Get to know more information about Trondhjemite and Rhomb Porphyry origin and discoverer, etymology and class.

History of Trondhjemite and Rhomb Porphyry

The history of Trondhjemite and Rhomb Porphyry 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 Rhomb Porphyry Origin and Discoverer

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

Etymology of Trondhjemite and Rhomb Porphyry

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

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