Chalk Definition

Chalk

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1 Definition

1.1 Definition

Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers

1.2 History

1.2.1 Origin

Unknown

1.2.2 Discoverer

Unknown

1.3 Etymology

From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone

1.4 Class

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Soft Rock

1.5 Family

1.5.1 Group

Not Applicable

1.6 Other Categories

Fine Grained Rock, Opaque Rock

Fossil Rocks » More

Mudstone

Shale

Marl

Travertine

Flint

Chert

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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.