Pumice and Argillite Definition

Definition of Pumice and Argillite

The general Pumice and Argillite definition can be stated as: Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. 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 Pumice and Argillite, get to know about Properties of Pumice and Argillite. Get to know more information about Pumice and Argillite origin and discoverer, etymology and class.

History of Pumice and Argillite

The history of Pumice 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.

Pumice and Argillite Origin and Discoverer

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

Etymology of Pumice and Argillite

Along with Pumice and Argillite definition, know more about the etymology of Pumice and Argillite. Etymology of Pumice and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Pumice and Formation of Argillite. The etymology of Pumice is From Old French pomis, from a Latin dialect variant of pumex while that of Argillite is From Old French pomis, from a Latin dialect variant of pumex. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pumice belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Pumice and Argillite are listed below.

For Pumice,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• 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