Chalk and Sandstone Definition

Definition of Chalk and Sandstone

The general Chalk and Sandstone definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded. Along with definition of Chalk and Sandstone, get to know about Properties of Chalk and Sandstone. Get to know more information about Chalk and Sandstone origin and discoverer, etymology and class.

History of Chalk and Sandstone

The history of Chalk and Sandstone 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 Sandstone Origin and Discoverer

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

Etymology of Chalk and Sandstone

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

For Chalk,

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

For Sandstone,

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