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Slate and Tephrite 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
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock
1.2 History
1.2.1 Origin
England
Germany
1.2.2 Discoverer
Unknown
Van Tooren
1.3 Etymology
From Old French esclate, from esclat (French éclat)
From Greek tephra, ashes from Indo-European base, to burn
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
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Slate and Tephrite

The general Slate and Tephrite 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, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Slate and Tephrite, get to know about Properties of Slate and Tephrite. Get to know more information about Slate and Tephrite origin and discoverer, etymology and class.

History of Slate and Tephrite

The history of Slate and Tephrite 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 Tephrite Origin and Discoverer

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

Etymology of Slate and Tephrite

Along with Slate and Tephrite definition, know more about the etymology of Slate and Tephrite. Etymology of Slate and Tephrite gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Tephrite. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Tephrite 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 belongs to Metamorphic Rocks while Tephrite belongs to Igneous Rocks. The sub-class, group and other categories of Slate and Tephrite 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 Tephrite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Volcanic
  • Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock