Basalt and Chalk Definition

Definition of Basalt and Chalk

The general Basalt and Chalk definition can be stated as: Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Basalt and Chalk, get to know about Properties of Basalt and Chalk. Get to know more information about Basalt and Chalk origin and discoverer, etymology and class.

History of Basalt and Chalk

The history of Basalt and Chalk 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.

Basalt and Chalk Origin and Discoverer

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

Etymology of Basalt and Chalk

Along with Basalt and Chalk definition, know more about the etymology of Basalt and Chalk. Etymology of Basalt and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Chalk. The etymology of Basalt is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites while that of Chalk is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Basalt belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Basalt and Chalk are listed below.

For Basalt,

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

For Chalk,

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