Chalk and Chert Definition

Definition of Chalk and Chert

The general Chalk and Chert definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Chalk and Chert, get to know about Properties of Chalk and Chert. Get to know more information about Chalk and Chert origin and discoverer, etymology and class.

History of Chalk and Chert

The history of Chalk and Chert 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 Chert Origin and Discoverer

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

Etymology of Chalk and Chert

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

For Chalk,

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

For Chert,

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