Scoria and Trondhjemite Definition

Definition of Scoria and Trondhjemite

The general Scoria and Trondhjemite definition can be stated as: Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. 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 Scoria and Trondhjemite, get to know about Properties of Scoria and Trondhjemite. Get to know more information about Scoria and Trondhjemite origin and discoverer, etymology and class.

History of Scoria and Trondhjemite

The history of Scoria 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.

Scoria and Trondhjemite Origin and Discoverer

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

Etymology of Scoria and Trondhjemite

Along with Scoria and Trondhjemite definition, know more about the etymology of Scoria and Trondhjemite. Etymology of Scoria and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Scoria and Formation of Trondhjemite. The etymology of Scoria is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung while that of Trondhjemite is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Scoria and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Scoria and Trondhjemite are listed below.

For Scoria,

• Sub-class: Durable Rock and Medium Hardness 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