Basalt and Rapakivi Granite Definition

Definition of Basalt and Rapakivi Granite

The general Basalt and Rapakivi Granite definition can be stated as: Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. 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 Basalt and Rapakivi Granite, get to know about Properties of Basalt and Rapakivi Granite. Get to know more information about Basalt and Rapakivi Granite origin and discoverer, etymology and class.

History of Basalt and Rapakivi Granite

The history of Basalt 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.

Basalt and Rapakivi Granite Origin and Discoverer

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

Etymology of Basalt and Rapakivi Granite

Along with Basalt and Rapakivi Granite definition, know more about the etymology of Basalt and Rapakivi Granite. Etymology of Basalt and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Rapakivi Granite. The etymology of Basalt is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites while that of Rapakivi Granite is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Basalt and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Basalt and Rapakivi Granite are listed below.

For Basalt,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• 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