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Essexite 
Essexite 

Argillite
Argillite



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Essexite 
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Argillite

Essexite  and Argillite Definition

1 Definition
1.1 Definition
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
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
1.2 History
1.2.1 Origin
USA
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From the locality in Essex County, Massachusetts,US
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Essexite  and Argillite

The general Essexite  and Argillite definition can be stated as: Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. 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 Essexite  and Argillite, get to know about Properties of Essexite  and Argillite. Get to know more information about Essexite  and Argillite origin and discoverer, etymology and class.

History of Essexite  and Argillite

The history of Essexite  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.

Essexite  and Argillite Origin and Discoverer

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

Etymology of Essexite  and Argillite

Along with Essexite  and Argillite definition, know more about the etymology of Essexite  and Argillite. Etymology of Essexite  and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Essexite  and Formation of Argillite. The etymology of Essexite  is From the locality in Essex County, Massachusetts,US while that of Argillite is From the locality in Essex County, Massachusetts,US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Essexite  belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Essexite  and Argillite are listed below.

For Essexite ,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Plutonic
  • Other Categories: Fine grained rock and Opaque rock

For Argillite,

  • Sub-class: Durable Rock and Soft Rock
  • Group: Not applicable
  • Other Categories: Fine grained rock and Opaque rock