Argillite and Dacite Definition

Definition of Argillite and Dacite

The general Argillite and Dacite 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, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Argillite and Dacite, get to know about Properties of Argillite and Dacite. Get to know more information about Argillite and Dacite origin and discoverer, etymology and class.

History of Argillite and Dacite

The history of Argillite and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Argillite and Dacite

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

For Argillite,

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

For Dacite,

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