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Slate and Trachyte Definition


Trachyte 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   
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar   

History
  
  

Origin
England   
Unknown   

Discoverer
Unknown   
Alexandre Brongniart and René Just Haüy   

Etymology
From Old French esclate, from esclat (French éclat)   
From Greek trakhus rough’ or trakhutēs roughness   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Slate and Trachyte

The general Slate and Trachyte 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, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Slate and Trachyte, get to know about Properties of Slate and Trachyte. Get to know more information about Slate and Trachyte origin and discoverer, etymology and class.

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History of Slate and Trachyte

The history of Slate and Trachyte 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 Trachyte Origin and Discoverer

Slate and Trachyte definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Slate and Trachyte. In this section, you will know about Slate and Trachyte Origin and Discoverer. Origin of Slate is England whereas Origin of Trachyte is Unknown. It is interesting to know the name of Slate and Trachyte discoverer. The Discoverer of Slate is Unknown and the discoverer of Trachyte is Alexandre Brongniart and René Just Haüy.

Etymology of Slate and Trachyte

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

For Slate,

For Trachyte,

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