The general Argillite and Variolite 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, Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Along with definition of Argillite and Variolite, get to know about Properties of Argillite and Variolite. Get to know more information about Argillite and Variolite origin and discoverer, etymology and class.
The history of Argillite and Variolite 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 Variolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Argillite and Variolite. In this section, you will know about Argillite and Variolite Origin and Discoverer. Origin of Argillite is Unknown whereas Origin of Variolite is France. It is interesting to know the name of Argillite and Variolite discoverer. The discoverer of Argillite and Variolite are Unknown.
Along with Argillite and Variolite definition, know more about the etymology of Argillite and Variolite. Etymology of Argillite and Variolite gives information about origin and formation of a particular rock. Know more about Formation of Argillite and Formation of Variolite. The etymology of Argillite is From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite while that of Variolite 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 Variolite belongs to Igneous Rocks. The sub-class, group and other categories of Argillite and Variolite are listed below.
For Argillite,
For Variolite,
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