Siltstone and Tonalite Definition

Definition of Siltstone and Tonalite

The general Siltstone and Tonalite 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, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Siltstone and Tonalite, get to know about Properties of Siltstone and Tonalite. Get to know more information about Siltstone and Tonalite origin and discoverer, etymology and class.

History of Siltstone and Tonalite

The history of Siltstone and Tonalite 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 Tonalite Origin and Discoverer

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

Etymology of Siltstone and Tonalite

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

For Siltstone,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock

For Tonalite,

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