Gneiss and Alkali Feldspar Granite Definition

Definition of Gneiss and Alkali Feldspar Granite

The general Gneiss and Alkali Feldspar Granite definition can be stated as: Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. On the other hand, Alkali feldspar granite, also known as red granite, is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar. Along with definition of Gneiss and Alkali Feldspar Granite, get to know about Properties of Gneiss and Alkali Feldspar Granite. Get to know more information about Gneiss and Alkali Feldspar Granite origin and discoverer, etymology and class.

History of Gneiss and Alkali Feldspar Granite

The history of Gneiss and Alkali Feldspar 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.

Gneiss and Alkali Feldspar Granite Origin and Discoverer

Gneiss and Alkali Feldspar Granite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Gneiss and Alkali Feldspar Granite. In this section, you will know about Gneiss and Alkali Feldspar Granite Origin and Discoverer. Origin of Gneiss and Alkali Feldspar Granite are Unknown. It is interesting to know the name of Gneiss and Alkali Feldspar Granite discoverer. The discoverer of Gneiss and Alkali Feldspar Granite are Unknown.

Etymology of Gneiss and Alkali Feldspar Granite

Along with Gneiss and Alkali Feldspar Granite definition, know more about the etymology of Gneiss and Alkali Feldspar Granite. Etymology of Gneiss and Alkali Feldspar Granite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Alkali Feldspar Granite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Alkali Feldspar Granite is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss belongs to Metamorphic Rocks while Alkali Feldspar Granite belongs to Igneous Rocks. The sub-class, group and other categories of Gneiss and Alkali Feldspar Granite are listed below.

For Gneiss,

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

For Alkali Feldspar Granite,

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