Slate and Chalk Definition

Definition of Slate and Chalk

The general Slate and Chalk definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Slate and Chalk, get to know about Properties of Slate and Chalk. Get to know more information about Slate and Chalk origin and discoverer, etymology and class.

History of Slate and Chalk

The history of Slate 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.

Slate and Chalk Origin and Discoverer

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

Etymology of Slate and Chalk

Along with Slate and Chalk definition, know more about the etymology of Slate and Chalk. Etymology of Slate and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Chalk. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Chalk is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate belongs to Metamorphic Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Slate and Chalk are listed below.

For Slate,

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

For Chalk,

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