Gritstone and Chalk Definition

Definition of Gritstone and Chalk

The general Gritstone and Chalk definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Gritstone and Chalk, get to know about Properties of Gritstone and Chalk. Get to know more information about Gritstone and Chalk origin and discoverer, etymology and class.

History of Gritstone and Chalk

The history of Gritstone 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.

Gritstone and Chalk Origin and Discoverer

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

Etymology of Gritstone and Chalk

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

For Gritstone,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse 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