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Picrite and Argillite Definition


Argillite and Picrite Definition


Definition

Definition
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine   
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   

History
  
  

Origin
Hawaii Islands   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Greek pikros bitter + -ite, 19th century   
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
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Definition of Picrite and Argillite

The general Picrite and Argillite definition can be stated as: Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. On the other hand, 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. Along with definition of Picrite and Argillite, get to know about Properties of Picrite and Argillite. Get to know more information about Picrite and Argillite origin and discoverer, etymology and class.

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History of Picrite and Argillite

The history of Picrite and Argillite 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.

Picrite and Argillite Origin and Discoverer

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

Etymology of Picrite and Argillite

Along with Picrite and Argillite definition, know more about the etymology of Picrite and Argillite. Etymology of Picrite and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Argillite. The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Argillite is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Picrite and Argillite are listed below.

For Picrite,

For Argillite,

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