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Claystone
Claystone

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Claystone and Chalk Definition

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1 Definition
1.1 Definition
Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From English clay and stone as the rock contains more amount of clay
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone
1.4 Class
Sedimentary Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Claystone and Chalk

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

History of Claystone and Chalk

The history of Claystone 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.

Claystone and Chalk Origin and Discoverer

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

Etymology of Claystone and Chalk

Along with Claystone and Chalk definition, know more about the etymology of Claystone and Chalk. Etymology of Claystone and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Claystone and Formation of Chalk. The etymology of Claystone is From English clay and stone as the rock contains more amount of clay while that of Chalk is From English clay and stone as the rock contains more amount of clay. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Claystone and Chalk belong to Sedimentary Rocks. The sub-class, group and other categories of Claystone and Chalk are listed below.

For Claystone,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Not applicable
  • 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