Rapakivi Granite and Slate Definition

Definition of Rapakivi Granite and Slate

The general Rapakivi Granite and Slate 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, Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. Along with definition of Rapakivi Granite and Slate, get to know about Properties of Rapakivi Granite and Slate. Get to know more information about Rapakivi Granite and Slate origin and discoverer, etymology and class.

History of Rapakivi Granite and Slate

The history of Rapakivi Granite and Slate 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 Slate Origin and Discoverer

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

Etymology of Rapakivi Granite and Slate

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

For Rapakivi Granite,

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

For Slate,

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