Rapakivi Granite and Porphyry Definition

Definition of Rapakivi Granite and Porphyry

The general Rapakivi Granite and Porphyry 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, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Rapakivi Granite and Porphyry, get to know about Properties of Rapakivi Granite and Porphyry. Get to know more information about Rapakivi Granite and Porphyry origin and discoverer, etymology and class.

History of Rapakivi Granite and Porphyry

The history of Rapakivi Granite and Porphyry 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 Porphyry Origin and Discoverer

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

Etymology of Rapakivi Granite and Porphyry

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

For Rapakivi Granite,

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

For Porphyry,

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