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Schist
Schist

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Phonolite



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Schist and Phonolite 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
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From French schiste, Greek skhistos i.e. split
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Schist and Phonolite

The general Schist and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Schist and Phonolite, get to know about Properties of Schist and Phonolite. Get to know more information about Schist and Phonolite origin and discoverer, etymology and class.

History of Schist and Phonolite

The history of Schist and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Schist and Phonolite

Along with Schist and Phonolite definition, know more about the etymology of Schist and Phonolite. Etymology of Schist and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Schist and Formation of Phonolite. The etymology of Schist is From French schiste, Greek skhistos i.e. split while that of Phonolite 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 Phonolite belongs to Igneous Rocks. The sub-class, group and other categories of Schist and Phonolite 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 Phonolite,

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