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Argillite and Pumice Definition


Pumice and Argillite Definition


Definition

Definition
Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate   
Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals   

History
  
  

Origin
Unknown   
Spain   

Discoverer
Unknown   
Unknown   

Etymology
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite   
From Old French pomis, from a Latin dialect variant of pumex   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft 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 Argillite and Pumice

The general Argillite and Pumice definition can be stated as: Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate. On the other hand, Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. Along with definition of Argillite and Pumice, get to know about Properties of Argillite and Pumice. Get to know more information about Argillite and Pumice origin and discoverer, etymology and class.

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History of Argillite and Pumice

The history of Argillite and Pumice 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.

Argillite and Pumice Origin and Discoverer

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

Etymology of Argillite and Pumice

Along with Argillite and Pumice definition, know more about the etymology of Argillite and Pumice. Etymology of Argillite and Pumice gives information about origin and formation of a particular rock. Know more about Formation of Argillite and Formation of Pumice. The etymology of Argillite is From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite while that of Pumice is From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Argillite belongs to Sedimentary Rocks while Pumice belongs to Igneous Rocks. The sub-class, group and other categories of Argillite and Pumice are listed below.

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