Trachyandesite and Rapakivi Granite Definition

Definition of Trachyandesite and Rapakivi Granite

The general Trachyandesite and Rapakivi Granite definition can be stated as: Trachyandesite is an extrusive igneous rock.. 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 Trachyandesite and Rapakivi Granite, get to know about Properties of Trachyandesite and Rapakivi Granite. Get to know more information about Trachyandesite and Rapakivi Granite origin and discoverer, etymology and class.

History of Trachyandesite and Rapakivi Granite

The history of Trachyandesite 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.

Trachyandesite and Rapakivi Granite Origin and Discoverer

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

Etymology of Trachyandesite and Rapakivi Granite

Along with Trachyandesite and Rapakivi Granite definition, know more about the etymology of Trachyandesite and Rapakivi Granite. Etymology of Trachyandesite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Trachyandesite and Formation of Rapakivi Granite. The etymology of Trachyandesite is From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite while that of Rapakivi Granite is From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trachyandesite and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Trachyandesite and Rapakivi Granite are listed below.

For Trachyandesite,

• 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