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Schist
Schist

Pseudotachylite
Pseudotachylite



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Schist and Pseudotachylite Definition

1 Definition
1.1 Definition
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.
1.2 History
1.2.1 Origin
Unknown
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From French schiste, Greek skhistos i.e. split
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.
1.4 Class
Metamorphic Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard 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 Pseudotachylite

The general Schist and Pseudotachylite 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, Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Along with definition of Schist and Pseudotachylite, get to know about Properties of Schist and Pseudotachylite. Get to know more information about Schist and Pseudotachylite origin and discoverer, etymology and class.

History of Schist and Pseudotachylite

The history of Schist and Pseudotachylite 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 Pseudotachylite Origin and Discoverer

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

Etymology of Schist and Pseudotachylite

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

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