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Anthracite
Anthracite

Pseudotachylite
Pseudotachylite



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Anthracite and Pseudotachylite Definition

1 Definition
1.1 Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
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
Pennsylvania, U.S.
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
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, Soft 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 Anthracite and Pseudotachylite

The general Anthracite and Pseudotachylite definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. 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 Anthracite and Pseudotachylite, get to know about Properties of Anthracite and Pseudotachylite. Get to know more information about Anthracite and Pseudotachylite origin and discoverer, etymology and class.

History of Anthracite and Pseudotachylite

The history of Anthracite 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.

Anthracite and Pseudotachylite Origin and Discoverer

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

Etymology of Anthracite and Pseudotachylite

Along with Anthracite and Pseudotachylite definition, know more about the etymology of Anthracite and Pseudotachylite. Etymology of Anthracite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Pseudotachylite. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Pseudotachylite is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite and Pseudotachylite belong to Metamorphic Rocks. The sub-class, group and other categories of Anthracite and Pseudotachylite are listed below.

For Anthracite,

  • Sub-class: Durable Rock and Soft 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
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