Picrite and Rapakivi Granite Definition

Definition of Picrite and Rapakivi Granite

The general Picrite and Rapakivi Granite definition can be stated as: Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. 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 Picrite and Rapakivi Granite, get to know about Properties of Picrite and Rapakivi Granite. Get to know more information about Picrite and Rapakivi Granite origin and discoverer, etymology and class.

History of Picrite and Rapakivi Granite

The history of Picrite 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.

Picrite and Rapakivi Granite Origin and Discoverer

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

Etymology of Picrite and Rapakivi Granite

Along with Picrite and Rapakivi Granite definition, know more about the etymology of Picrite and Rapakivi Granite. Etymology of Picrite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Rapakivi Granite. The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Rapakivi Granite is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Picrite and Rapakivi Granite are listed below.

For Picrite,

• Sub-class: Durable Rock and Hard 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