Rapakivi Granite and Tachylite Definition

Definition of Rapakivi Granite and Tachylite

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

History of Rapakivi Granite and Tachylite

The history of Rapakivi Granite and Tachylite 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 Tachylite Origin and Discoverer

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

Etymology of Rapakivi Granite and Tachylite

Along with Rapakivi Granite and Tachylite definition, know more about the etymology of Rapakivi Granite and Tachylite. Etymology of Rapakivi Granite and Tachylite gives information about origin and formation of a particular rock. Know more about Formation of Rapakivi Granite and Formation of Tachylite. The etymology of Rapakivi Granite is From Finnish Rapakivi which stands for crumbly rock while that of Tachylite 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 Tachylite belong to Igneous Rocks. The sub-class, group and other categories of Rapakivi Granite and Tachylite are listed below.

For Rapakivi Granite,

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

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