Rapakivi Granite and Phyllite Definition

Definition of Rapakivi Granite and Phyllite

The general Rapakivi Granite and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Rapakivi Granite and Phyllite, get to know about Properties of Rapakivi Granite and Phyllite. Get to know more information about Rapakivi Granite and Phyllite origin and discoverer, etymology and class.

History of Rapakivi Granite and Phyllite

The history of Rapakivi Granite and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Rapakivi Granite and Phyllite

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

For Rapakivi Granite,

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

For Phyllite,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock