Rapakivi Granite and Alkali Feldspar Granite Definition

Definition of Rapakivi Granite and Alkali Feldspar Granite

The general Rapakivi Granite and Alkali Feldspar Granite definition can be stated as: Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. On the other hand, Alkali feldspar granite, also known as red granite, is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar. Along with definition of Rapakivi Granite and Alkali Feldspar Granite, get to know about Properties of Rapakivi Granite and Alkali Feldspar Granite. Get to know more information about Rapakivi Granite and Alkali Feldspar Granite origin and discoverer, etymology and class.

History of Rapakivi Granite and Alkali Feldspar Granite

The history of Rapakivi Granite and Alkali Feldspar 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.

Rapakivi Granite and Alkali Feldspar Granite Origin and Discoverer

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

Etymology of Rapakivi Granite and Alkali Feldspar Granite

Along with Rapakivi Granite and Alkali Feldspar Granite definition, know more about the etymology of Rapakivi Granite and Alkali Feldspar Granite. Etymology of Rapakivi Granite and Alkali Feldspar Granite gives information about origin and formation of a particular rock. Know more about Formation of Rapakivi Granite and Formation of Alkali Feldspar Granite. The etymology of Rapakivi Granite is From Finnish Rapakivi which stands for crumbly rock while that of Alkali Feldspar Granite is From Finnish Rapakivi which stands for crumbly rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rapakivi Granite and Alkali Feldspar Granite belong to Igneous Rocks. The sub-class, group and other categories of Rapakivi Granite and Alkali Feldspar Granite are listed below.

For Rapakivi Granite,

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

For Alkali Feldspar Granite,

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