Dacite and Rapakivi Granite Definition

Definition of Dacite and Rapakivi Granite

The general Dacite and Rapakivi Granite definition can be stated as: Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. 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 Dacite and Rapakivi Granite, get to know about Properties of Dacite and Rapakivi Granite. Get to know more information about Dacite and Rapakivi Granite origin and discoverer, etymology and class.

History of Dacite and Rapakivi Granite

The history of Dacite 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.

Dacite and Rapakivi Granite Origin and Discoverer

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

Etymology of Dacite and Rapakivi Granite

Along with Dacite and Rapakivi Granite definition, know more about the etymology of Dacite and Rapakivi Granite. Etymology of Dacite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Dacite and Formation of Rapakivi Granite. The etymology of Dacite is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described while that of Rapakivi Granite is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dacite and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Dacite and Rapakivi Granite are listed below.

For Dacite,

• Sub-class: Durable Rock and Soft Rock
• Group: Volcanic
• Other Categories: 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