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Greywacke and Migmatite Definition


Migmatite and Greywacke Definition


Definition

Definition
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay   
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components   

History
  
  

Origin
Unknown   
Southern Alps, France   

Discoverer
Unknown   
Jakob Sederholm   

Etymology
From German Grauwacke, from grau grey + wacke   
From the Greek word migma which means a mixture   

Class
Sedimentary Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Greywacke and Migmatite

The general Greywacke and Migmatite definition can be stated as: Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. On the other hand, Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components. Along with definition of Greywacke and Migmatite, get to know about Properties of Greywacke and Migmatite. Get to know more information about Greywacke and Migmatite origin and discoverer, etymology and class.

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History of Greywacke and Migmatite

The history of Greywacke and Migmatite 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.

Greywacke and Migmatite Origin and Discoverer

Greywacke and Migmatite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Greywacke and Migmatite. In this section, you will know about Greywacke and Migmatite Origin and Discoverer. Origin of Greywacke is Unknown whereas Origin of Migmatite is Southern Alps, France. It is interesting to know the name of Greywacke and Migmatite discoverer. The Discoverer of Greywacke is Unknown and the discoverer of Migmatite is Jakob Sederholm.

Etymology of Greywacke and Migmatite

Along with Greywacke and Migmatite definition, know more about the etymology of Greywacke and Migmatite. Etymology of Greywacke and Migmatite gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Migmatite. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Migmatite is From German Grauwacke, from grau grey + wacke. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Greywacke belongs to Sedimentary Rocks while Migmatite belongs to Metamorphic Rocks. The sub-class, group and other categories of Greywacke and Migmatite are listed below.

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For Migmatite,

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