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Gneiss and Ganister Definition

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1 Definition
1.1 Definition
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
A ganister is a hard, fine-grained quartzose sandstone or orthoquartzite which is basically used in the manufacture of silica brick typically used to line furnaces and is a type of sedimentary rocks.
1.2 History
1.2.1 Origin
Unknown
England
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)
From gan′is-ter i.e a hard, close-grained siliceous stone, often forming the stratum which underlies a coal-seam
1.4 Class
Metamorphic Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Definition of Gneiss and Ganister

The general Gneiss and Ganister 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, A ganister is a hard, fine-grained quartzose sandstone or orthoquartzite which is basically used in the manufacture of silica brick typically used to line furnaces and is a type of sedimentary rocks.. Along with definition of Gneiss and Ganister, get to know about Properties of Gneiss and Ganister. Get to know more information about Gneiss and Ganister origin and discoverer, etymology and class.

History of Gneiss and Ganister

The history of Gneiss and Ganister 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 Ganister Origin and Discoverer

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

Etymology of Gneiss and Ganister

Along with Gneiss and Ganister definition, know more about the etymology of Gneiss and Ganister. Etymology of Gneiss and Ganister gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Ganister. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Ganister 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 Ganister belongs to Sedimentary Rocks. The sub-class, group and other categories of Gneiss and Ganister 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 Ganister,

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