Scoria and Chalk Definition

Definition of Scoria and Chalk

The general Scoria and Chalk definition can be stated as: Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Scoria and Chalk, get to know about Properties of Scoria and Chalk. Get to know more information about Scoria and Chalk origin and discoverer, etymology and class.

History of Scoria and Chalk

The history of Scoria 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.

Scoria and Chalk Origin and Discoverer

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

Etymology of Scoria and Chalk

Along with Scoria and Chalk definition, know more about the etymology of Scoria and Chalk. Etymology of Scoria and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Scoria and Formation of Chalk. The etymology of Scoria is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung while that of Chalk is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Scoria belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Scoria and Chalk are listed below.

For Scoria,

• 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