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Phyllite and Andesite Definition


Andesite and Phyllite Definition


Definition

Definition
Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks  
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava  

History
  
  

Origin
-  
North America  

Discoverer
Unknown  
Theodor von Gümbel  

Etymology
From Greek phullon leaf + -ite1  
From Andes mountains, where it is found in abundance  

Class
Metamorphic Rocks  
Igneous Rocks  

Sub-Class
Durable Rock, Soft Rock  
Durable Rock, Hard Rock  

Family
  
  

Group
-  
Volcanic  

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

Texture >>
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Definition of Phyllite and Andesite

The general Phyllite and Andesite definition can be stated as: Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. On the other hand, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Phyllite and Andesite, get to know about Properties of Phyllite and Andesite. Get to know more information about Phyllite and Andesite origin and discoverer, etymology and class.

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History of Phyllite and Andesite

The history of Phyllite and Andesite 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.

Phyllite and Andesite Origin and Discoverer

Phyllite and Andesite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Phyllite and Andesite. In this section, you will know about Phyllite and Andesite Origin and Discoverer. Origin of Phyllite is whereas Origin of Andesite is North America. It is interesting to know the name of Phyllite and Andesite discoverer. The Discoverer of Phyllite is Unknown and the discoverer of Andesite is Theodor von Gümbel.

Etymology of Phyllite and Andesite

Along with Phyllite and Andesite definition, know more about the etymology of Phyllite and Andesite. Etymology of Phyllite and Andesite gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Andesite. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Andesite is From Greek phullon leaf + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phyllite belongs to Metamorphic Rocks while Andesite belongs to Igneous Rocks. The sub-class, group and other categories of Phyllite and Andesite are listed below.

For Phyllite,

For Andesite,

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