Syenite and Rapakivi Granite Definition

Definition of Syenite and Rapakivi Granite

The general Syenite and Rapakivi Granite definition can be stated as: Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. 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 Syenite and Rapakivi Granite, get to know about Properties of Syenite and Rapakivi Granite. Get to know more information about Syenite and Rapakivi Granite origin and discoverer, etymology and class.

History of Syenite and Rapakivi Granite

The history of Syenite 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.

Syenite and Rapakivi Granite Origin and Discoverer

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

Etymology of Syenite and Rapakivi Granite

Along with Syenite and Rapakivi Granite definition, know more about the etymology of Syenite and Rapakivi Granite. Etymology of Syenite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Syenite and Formation of Rapakivi Granite. The etymology of Syenite is From French syénite, from Latin Syenites (lapis ) (stone) of Syene while that of Rapakivi Granite is From French syénite, from Latin Syenites (lapis ) (stone) of Syene. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Syenite and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Syenite and Rapakivi Granite are listed below.

For Syenite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Fine grained rock, Medium 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