Siltstone and Trondhjemite Definition

Definition of Siltstone and Trondhjemite

The general Siltstone and Trondhjemite definition can be stated as: Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt. 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 Siltstone and Trondhjemite, get to know about Properties of Siltstone and Trondhjemite. Get to know more information about Siltstone and Trondhjemite origin and discoverer, etymology and class.

History of Siltstone and Trondhjemite

The history of Siltstone 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.

Siltstone and Trondhjemite Origin and Discoverer

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

Etymology of Siltstone and Trondhjemite

Along with Siltstone and Trondhjemite definition, know more about the etymology of Siltstone and Trondhjemite. Etymology of Siltstone and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Siltstone and Formation of Trondhjemite. The etymology of Siltstone is From English word silt and stone and from Proto-Indo-European root sal and stainaz while that of Trondhjemite is From English word silt and stone and from Proto-Indo-European root sal and stainaz. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Siltstone belongs to Sedimentary Rocks while Trondhjemite belongs to Igneous Rocks. The sub-class, group and other categories of Siltstone and Trondhjemite are listed below.

For Siltstone,

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