Rapakivi Granite and Chalk Definition

Definition of Rapakivi Granite and Chalk

The general Rapakivi Granite and Chalk 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, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Rapakivi Granite and Chalk, get to know about Properties of Rapakivi Granite and Chalk. Get to know more information about Rapakivi Granite and Chalk origin and discoverer, etymology and class.

History of Rapakivi Granite and Chalk

The history of Rapakivi Granite and Chalk 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 Chalk Origin and Discoverer

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

Etymology of Rapakivi Granite and Chalk

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

For Rapakivi Granite,

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

For Chalk,

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