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Chalk Rock



Definition
0

Definition
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers 0

History
0

Origin
Unknown 0

Discoverer
Unknown 0

Etymology
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone 0

Class
Sedimentary Rocks 0

Sub-Class
Durable Rock, Soft Rock 0

Family
0

Group
Not Applicable 0

Other Categories
Fine Grained Rock, Opaque Rock 0

Texture
0

Texture
Clastic or Non-Clastic 0

Color
Grey, White, Yellow 0

Maintenance
Less 0

Durability
Durable 0

Water Resistant
No 0

Scratch Resistant
No 0

Stain Resistant
No 0

Wind Resistant
No 0

Acid Resistant
No 0

Appearance
Soft 0

Uses
0

Architecture
0

Interior Uses
Decorative Aggregates, Homes, Interior Decoration 0

Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration 0

Other Architectural Uses
Powder 0

Industry
0

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, raw material for manufacture of quicklime and slaked lime, Source of calcium 0

Medical Industry
Not Yet Used 0

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines 0

Other Uses
0

Commercial Uses
Alumina Refineries, Creating Artwork, Drawing on blackboards, Gymnasts, athletes and mountain climbers use for grip, In aquifers, Paper Industry, Production of Lime, Raw material for manufacture of quicklime, slaked lime, Soil Conditioner, Whiting, Whiting material in toothpaste, paint and paper 0

Types
0

Types
Not Available 0

Features
Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock 0

Archaeological Significance
0

Monuments
Used 0

Famous Monuments
Data Not Available 0

Sculpture
Used 0

Famous Sculptures
Data Not Available 0

Pictographs
Used 0

Petroglyphs
Used 0

Figurines
Used 0

Fossils
Present 0

Formation
0

Formation
Chalk is formed from lime mud, which accumulates on the sea floor which is then transformed into rock by geological processes. 0

Composition
0

Mineral Content
Calcite, Clay, Clay Minerals, Quartz, Sand 0

Compound Content
Ca, NaCl, CaO 0

Transformation
0

Metamorphism
No 0

Types of Metamorphism
Not Applicable 0

Weathering
Yes 0

Types of Weathering
Biological Weathering, Chemical Weathering 0

Erosion
Yes 0

Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion 0

Properties
0

Physical Properties
0

Hardness
1 0

Grain Size
Very fine-grained 0

Fracture
Not Available 0

Streak
White 0

Porosity
Highly Porous 0

Luster
Dull 0

Compressive Strength
Not Available 0

Cleavage
Non-Existent 0

Toughness
1 0

Specific Gravity
2.3-2.4 0

Transparency
Opaque 0

Density
2.49-2.50 g/cm3 0

Thermal Properties
0

Specific Heat Capacity
0.90 kJ/Kg K 12

Resistance
Heat Resistant 0

Reserves
0

Deposits in Eastern Continents
0

Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam 0

Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe 0

Europe
England, France, Germany, Spain, United Kingdom 0

Others
Not Yet Found 0

Deposits in Western Continents
0

North America
Canada, USA 0

South America
Colombia 0

Deposits in Oceania Continent
0

Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula 0

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Fossil Rocks

Information about Chalk

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Chalk Uses. We have provided you with all information about Chalk rock here. Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Chalk is available in grey, white, yellow colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Chalk is white. Get to know more about Chalk rock and characteristics of Chalk rock in the next sections.

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