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Slate and Tephrite Definition


Tephrite and Slate Definition


Definition

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   

History
  
  

Origin
England   
Germany   

Discoverer
Unknown   
Van Tooren   

Etymology
From Old French esclate, from esclat (French éclat)   
From Greek tephra, ashes from Indo-European base, to burn   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

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.

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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.

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