Kenyte and Rapakivi Granite Definition

Definition of Kenyte and Rapakivi Granite

The general Kenyte and Rapakivi Granite definition can be stated as: Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix. 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 Kenyte and Rapakivi Granite, get to know about Properties of Kenyte and Rapakivi Granite. Get to know more information about Kenyte and Rapakivi Granite origin and discoverer, etymology and class.

History of Kenyte and Rapakivi Granite

The history of Kenyte 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.

Kenyte and Rapakivi Granite Origin and Discoverer

Kenyte 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 Kenyte and Rapakivi Granite. In this section, you will know about Kenyte and Rapakivi Granite Origin and Discoverer. Origin of Kenyte is Mount Kenya whereas Origin of Rapakivi Granite is Finland, Europe. It is interesting to know the name of Kenyte and Rapakivi Granite discoverer. The Discoverer of Kenyte is J. W. Gregory and the discoverer of Rapakivi Granite is Jakob Sederholm.

Etymology of Kenyte and Rapakivi Granite

Along with Kenyte and Rapakivi Granite definition, know more about the etymology of Kenyte and Rapakivi Granite. Etymology of Kenyte and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Kenyte and Formation of Rapakivi Granite. The etymology of Kenyte is From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900 while that of Rapakivi Granite is From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Kenyte and Rapakivi Granite belong to Igneous Rocks. The sub-class, group and other categories of Kenyte and Rapakivi Granite are listed below.

For Kenyte,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• 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