Ganister and Rapakivi Granite Definition

Definition of Ganister and Rapakivi Granite

The general Ganister and Rapakivi Granite definition can be stated as: A ganister is a hard, fine-grained quartzose sandstone or orthoquartzite which is basically used in the manufacture of silica brick typically used to line furnaces and is a type of sedimentary rocks.. 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 Ganister and Rapakivi Granite, get to know about Properties of Ganister and Rapakivi Granite. Get to know more information about Ganister and Rapakivi Granite origin and discoverer, etymology and class.

History of Ganister and Rapakivi Granite

The history of Ganister 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.

Ganister and Rapakivi Granite Origin and Discoverer

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

Etymology of Ganister and Rapakivi Granite

Along with Ganister and Rapakivi Granite definition, know more about the etymology of Ganister and Rapakivi Granite. Etymology of Ganister and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Ganister and Formation of Rapakivi Granite. The etymology of Ganister is From gan′is-ter i.e a hard, close-grained siliceous stone, often forming the stratum which underlies a coal-seam while that of Rapakivi Granite is From gan′is-ter i.e a hard, close-grained siliceous stone, often forming the stratum which underlies a coal-seam. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ganister belongs to Sedimentary Rocks while Rapakivi Granite belongs to Igneous Rocks. The sub-class, group and other categories of Ganister and Rapakivi Granite are listed below.

For Ganister,

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