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Litchfieldite and Greywacke Definition


Greywacke and Litchfieldite Definition


Definition

Definition
Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite   
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay   

History
  
  

Origin
USA   
Unknown   

Discoverer
Bayley   
Unknown   

Etymology
From its occurrence at Litchfield, Maine, USA   
From German Grauwacke, from grau grey + wacke   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Litchfieldite and Greywacke

The general Litchfieldite and Greywacke definition can be stated as: Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite. On the other hand, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Litchfieldite and Greywacke, get to know about Properties of Litchfieldite and Greywacke. Get to know more information about Litchfieldite and Greywacke origin and discoverer, etymology and class.

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History of Litchfieldite and Greywacke

The history of Litchfieldite and Greywacke 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.

Litchfieldite and Greywacke Origin and Discoverer

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

Etymology of Litchfieldite and Greywacke

Along with Litchfieldite and Greywacke definition, know more about the etymology of Litchfieldite and Greywacke. Etymology of Litchfieldite and Greywacke gives information about origin and formation of a particular rock. Know more about Formation of Litchfieldite and Formation of Greywacke. The etymology of Litchfieldite is From its occurrence at Litchfield, Maine, USA while that of Greywacke is From its occurrence at Litchfield, Maine, USA. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Litchfieldite belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks. The sub-class, group and other categories of Litchfieldite and Greywacke are listed below.

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