Gritstone and Trondhjemite Definition

Definition of Gritstone and Trondhjemite

The general Gritstone and Trondhjemite definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. 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 Gritstone and Trondhjemite, get to know about Properties of Gritstone and Trondhjemite. Get to know more information about Gritstone and Trondhjemite origin and discoverer, etymology and class.

History of Gritstone and Trondhjemite

The history of Gritstone 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.

Gritstone and Trondhjemite Origin and Discoverer

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

Etymology of Gritstone and Trondhjemite

Along with Gritstone and Trondhjemite definition, know more about the etymology of Gritstone and Trondhjemite. Etymology of Gritstone and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Gritstone and Formation of Trondhjemite. The etymology of Gritstone is From Grit + Stone while that of Trondhjemite is From Grit + Stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gritstone belongs to Sedimentary Rocks while Trondhjemite belongs to Igneous Rocks. The sub-class, group and other categories of Gritstone and Trondhjemite are listed below.

For Gritstone,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse 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