Gritstone and Rapakivi Granite Definition

Definition of Gritstone and Rapakivi Granite

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

History of Gritstone and Rapakivi Granite

The history of Gritstone 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.

Gritstone and Rapakivi Granite Origin and Discoverer

Gritstone 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 Gritstone and Rapakivi Granite. In this section, you will know about Gritstone and Rapakivi Granite Origin and Discoverer. Origin of Gritstone is Pennines, England whereas Origin of Rapakivi Granite is Finland, Europe. It is interesting to know the name of Gritstone and Rapakivi Granite discoverer. The Discoverer of Gritstone is J.J. Ferber and the discoverer of Rapakivi Granite is Jakob Sederholm.

Etymology of Gritstone and Rapakivi Granite

Along with Gritstone and Rapakivi Granite definition, know more about the etymology of Gritstone and Rapakivi Granite. Etymology of Gritstone and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Gritstone and Formation of Rapakivi Granite. The etymology of Gritstone is From Grit + Stone while that of Rapakivi Granite 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 Rapakivi Granite belongs to Igneous Rocks. The sub-class, group and other categories of Gritstone and Rapakivi Granite are listed below.

For Gritstone,

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