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Slate
Slate

Anthracite
Anthracite



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Slate and Anthracite Definition

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1 Definition
1.1 Definition
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
1.2 History
1.2.1 Origin
England
Pennsylvania, U.S.
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Old French esclate, from esclat (French éclat)
From Greek anthrakites, from anthrax, anthrak meaning coal
1.4 Class
Metamorphic Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Slate and Anthracite

The general Slate and Anthracite definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. On the other hand, Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Along with definition of Slate and Anthracite, get to know about Properties of Slate and Anthracite. Get to know more information about Slate and Anthracite origin and discoverer, etymology and class.

History of Slate and Anthracite

The history of Slate and Anthracite 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.

Slate and Anthracite Origin and Discoverer

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

Etymology of Slate and Anthracite

Along with Slate and Anthracite definition, know more about the etymology of Slate and Anthracite. Etymology of Slate and Anthracite gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Anthracite. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Anthracite is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate and Anthracite belong to Metamorphic Rocks. The sub-class, group and other categories of Slate and Anthracite are listed below.

For Slate,

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

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
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