Picrite and Argillite Definition

Definition of Picrite and Argillite

The general Picrite and Argillite definition can be stated as: Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. 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 Picrite and Argillite, get to know about Properties of Picrite and Argillite. Get to know more information about Picrite and Argillite origin and discoverer, etymology and class.

History of Picrite and Argillite

The history of Picrite 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.

Picrite and Argillite Origin and Discoverer

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

Etymology of Picrite and Argillite

Along with Picrite and Argillite definition, know more about the etymology of Picrite and Argillite. Etymology of Picrite and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Argillite. The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Argillite is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Picrite and Argillite are listed below.

For Picrite,

• Sub-class: Durable Rock and Hard 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