Trondhjemite and Gossan Definition

Definition of Trondhjemite and Gossan

The general Trondhjemite and Gossan 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, Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Along with definition of Trondhjemite and Gossan, get to know about Properties of Trondhjemite and Gossan. Get to know more information about Trondhjemite and Gossan origin and discoverer, etymology and class.

History of Trondhjemite and Gossan

The history of Trondhjemite and Gossan 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 Gossan Origin and Discoverer

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

Etymology of Trondhjemite and Gossan

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

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