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Schist

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Schist and Pegmatite Definition

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1 Definition
1.1 Definition
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
Unknown
R. J. Hauy
1.3 Etymology
From French schiste, Greek skhistos i.e. split
From Greek pegma, pegmat which means- thing joined together + -ite
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Not Applicable
Plutonic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Definition of Schist and Pegmatite

The general Schist and Pegmatite definition can be stated as: Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. On the other hand, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Schist and Pegmatite, get to know about Properties of Schist and Pegmatite. Get to know more information about Schist and Pegmatite origin and discoverer, etymology and class.

History of Schist and Pegmatite

The history of Schist and Pegmatite 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.

Schist and Pegmatite Origin and Discoverer

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

Etymology of Schist and Pegmatite

Along with Schist and Pegmatite definition, know more about the etymology of Schist and Pegmatite. Etymology of Schist and Pegmatite gives information about origin and formation of a particular rock. Know more about Formation of Schist and Formation of Pegmatite. The etymology of Schist is From French schiste, Greek skhistos i.e. split while that of Pegmatite is From French schiste, Greek skhistos i.e. split. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Schist belongs to Metamorphic Rocks while Pegmatite belongs to Igneous Rocks. The sub-class, group and other categories of Schist and Pegmatite are listed below.

For Schist,

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

For Pegmatite,

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