Siltstone and Rapakivi Granite Definition

Definition of Siltstone and Rapakivi Granite

The general Siltstone and Rapakivi Granite 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, Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Along with definition of Siltstone and Rapakivi Granite, get to know about Properties of Siltstone and Rapakivi Granite. Get to know more information about Siltstone and Rapakivi Granite origin and discoverer, etymology and class.

History of Siltstone and Rapakivi Granite

The history of Siltstone and Rapakivi Granite 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 Rapakivi Granite Origin and Discoverer

Siltstone and Rapakivi Granite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Siltstone and Rapakivi Granite. In this section, you will know about Siltstone and Rapakivi Granite Origin and Discoverer. Origin of Siltstone is Unknown whereas Origin of Rapakivi Granite is Finland, Europe. It is interesting to know the name of Siltstone and Rapakivi Granite discoverer. The Discoverer of Siltstone is Unknown and the discoverer of Rapakivi Granite is Jakob Sederholm.

Etymology of Siltstone and Rapakivi Granite

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

For Siltstone,

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

For Rapakivi Granite,

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