Chalk and Claystone Definition

Definition of Chalk and Claystone

The general Chalk and Claystone definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay. Along with definition of Chalk and Claystone, get to know about Properties of Chalk and Claystone. Get to know more information about Chalk and Claystone origin and discoverer, etymology and class.

History of Chalk and Claystone

The history of Chalk and Claystone 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.

Chalk and Claystone Origin and Discoverer

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

Etymology of Chalk and Claystone

Along with Chalk and Claystone definition, know more about the etymology of Chalk and Claystone. Etymology of Chalk and Claystone gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Claystone. The etymology of Chalk is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone while that of Claystone is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chalk and Claystone belong to Sedimentary Rocks. The sub-class, group and other categories of Chalk and Claystone are listed below.

For Chalk,

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

For Claystone,

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