Chalk and Limestone Definition

Definition of Chalk and Limestone

The general Chalk and Limestone definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate. Along with definition of Chalk and Limestone, get to know about Properties of Chalk and Limestone. Get to know more information about Chalk and Limestone origin and discoverer, etymology and class.

History of Chalk and Limestone

The history of Chalk and Limestone 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 Limestone Origin and Discoverer

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

Etymology of Chalk and Limestone

Along with Chalk and Limestone definition, know more about the etymology of Chalk and Limestone. Etymology of Chalk and Limestone gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Limestone. 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 Limestone 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 Limestone belong to Sedimentary Rocks. The sub-class, group and other categories of Chalk and Limestone are listed below.

For Chalk,

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

For Limestone,

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