Tachylite and Rapakivi Granite Definition

Definition of Tachylite and Rapakivi Granite

The general Tachylite and Rapakivi Granite definition can be stated as: Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. 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 Tachylite and Rapakivi Granite, get to know about Properties of Tachylite and Rapakivi Granite. Get to know more information about Tachylite and Rapakivi Granite origin and discoverer, etymology and class.

History of Tachylite and Rapakivi Granite

The history of Tachylite 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.

Tachylite and Rapakivi Granite Origin and Discoverer

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

Etymology of Tachylite and Rapakivi Granite

Along with Tachylite and Rapakivi Granite definition, know more about the etymology of Tachylite and Rapakivi Granite. Etymology of Tachylite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Tachylite and Formation of Rapakivi Granite. The etymology of Tachylite is From German Tachylite, from tachy- + Greek lutos soluble, melting while that of Rapakivi Granite is From German Tachylite, from tachy- + Greek lutos soluble, melting. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tachylite and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Tachylite and Rapakivi Granite are listed below.

For Tachylite,

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