Argillite and Adakite Definition

Definition of Argillite and Adakite

The general Argillite and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Argillite and Adakite, get to know about Properties of Argillite and Adakite. Get to know more information about Argillite and Adakite origin and discoverer, etymology and class.

History of Argillite and Adakite

The history of Argillite and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Argillite and Adakite

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

For Argillite,

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

For Adakite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock, Medium grained rock and Opaque rock