Chalk Definition
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers 0
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone 0
Durable Rock, Soft Rock 0
Fine Grained Rock, Opaque Rock 0
Define Chalk
Chalk is one of the important type of rocks. If we have to define Chalk in general, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Chalk comes under Sedimentary Rocks. All Sedimentary Rocks have similar properties and formation process. Along with Chalk Definition, know more about the History of Chalk, Etymology of Chalk in next sections.