Chalk and Gritstone Definition

Definition of Chalk and Gritstone

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

History of Chalk and Gritstone

The history of Chalk and Gritstone 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 Gritstone Origin and Discoverer

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

Etymology of Chalk and Gritstone

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

For Chalk,

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

For Gritstone,

• Sub-class: Durable Rock and Hard Rock
• Group:
• Other Categories: Coarse grained rock and Opaque rock