Limestone and Chalk Definition

Definition of Limestone and Chalk

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

History of Limestone and Chalk

The history of Limestone 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.

Limestone and Chalk Origin and Discoverer

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

Etymology of Limestone and Chalk

Along with Limestone and Chalk definition, know more about the etymology of Limestone and Chalk. Etymology of Limestone and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Limestone and Formation of Chalk. The etymology of Limestone is From lime and stone in late 14th Century while that of Chalk is From lime and stone in late 14th Century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Limestone and Chalk belong to Sedimentary Rocks. The sub-class, group and other categories of Limestone and Chalk are listed below.

For Limestone,

• 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