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Chalk
Chalk

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Basalt



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Chalk vs Basalt

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1 Definition
1.1 Definition
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers
Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth
1.2 History
1.2.1 Origin
Unknown
Egypt
1.2.2 Discoverer
Unknown
Georgius Agricola
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
From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Clastic or Non-Clastic
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular
2.2 Color
Grey, White, Yellow
Black, Brown, Light to Dark Grey
2.3 Maintenance
Less
More
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
59% Sedimentary Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
62% Sedimentary Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
43% Sedimentary Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
38% Sedimentary Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
22% Sedimentary Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
2.5 Appearance
Soft
Dull and Soft
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Homes, Interior Decoration
Floor Tiles, Homes, Hotels, Kitchens
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration
As Building Stone, Paving Stone, Garden Decoration, Office Buildings
3.1.3 Other Architectural Uses
Powder
Curbing, Whetstones
3.2 Industry
3.2.1 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
Arrowheads, As Dimension Stone, Cobblestones, Cutting Tool, Rail Track Ballast, Roadstone
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines
Artifacts, Monuments
3.4 Other Uses
3.4.1 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
An Oil and Gas Reservoir, Commemorative Tablets, Creating Artwork, Used in aquariums
4 Types
4.1 Types
Not Available
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite
4.2 Features
Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock
Has High structural resistance against erosion and climate, Very fine grained rock
4.3 Archaeological Significance
4.3.1 Monuments
Used
Used
4.3.2 Famous Monuments
Data Not Available
Easter Island in the Polynesian Triangle, Pacific Ocean, Gateway of India in Mumbai, India, Gol Gumbaz in Karnataka, India
4.3.3 Sculpture
Used
Used
4.3.4 Famous Sculptures
Data Not Available
Data Not Available
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Used
4.3.7 Figurines
Used
Used
4.4 Fossils
Present
Absent
5 Formation
5.1 Formation
Chalk is formed from lime mud, which accumulates on the sea floor which is then transformed into rock by geological processes.
Basalt forms when lava reaches the Earth's surface near an active volcano. The temperature of lava is between 1100 to 1250° C when it gets to the surface.
5.2 Composition
5.2.1 Mineral Content
Calcite, Clay, Clay Minerals, Quartz, Sand
Olivine, Plagioclase, Pyroxene
5.2.2 Compound Content
Ca, NaCl, CaO
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
5.3 Transformation
5.3.1 Metamorphism
19% Sedimentary Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
Contact Metamorphism
5.3.3 Weathering
78% Sedimentary Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering
Biological Weathering
5.3.5 Erosion
86% Sedimentary Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion
Not Available
6 Properties
6.1 Physical Properties
6.1.1 Hardness
1
6
6.1.2 Grain Size
Very fine-grained
Fine Grained
6.1.3 Fracture
Not Available
Conchoidal
6.1.4 Streak
White
White to Grey
6.1.5 Porosity
Highly Porous
Less Porous
6.1.6 Luster
Dull
Not Available
6.1.7 Compressive Strength
Flint
Not Available
Rank: N/A (Overall)
37.40 N/mm2
Rank: 28 (Overall)
Obsidian
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6.1.8 Cleavage
Non-Existent
Not Available
6.1.9 Toughness
1
2.3
6.1.10 Specific Gravity
2.3-2.4
2.8-3
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
2.49-2.50 g/cm3
2.9-3.1 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
0.90 kJ/Kg K
Rank: 12 (Overall)
0.84 kJ/Kg K
Rank: 15 (Overall)
Granulite
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6.2.2 Resistance
Heat Resistant
Heat Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
India, Russia
7.1.2 Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
South Africa
7.1.3 Europe
England, France, Germany, Spain, United Kingdom
Iceland
7.1.4 Others
Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, USA
Canada, USA
7.2.2 South America
Colombia
Brazil
7.3 Deposits in Oceania Continent
7.3.1 Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula
Not Yet Found

Chalk vs Basalt Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Chalk and Basalt Reserves. Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Chalk vs Basalt information and Chalk vs Basalt characteristics in the upcoming sections.

Chalk vs Basalt Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Chalk vs Basalt characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Chalk and Properties of Basalt. Learn more about Chalk vs Basalt in the next section. The interior uses of Chalk include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Basalt include Floor tiles, Homes, Hotels and Kitchens. Due to some exceptional properties of Chalk and Basalt, they have various applications in construction industry. The uses of Chalk in construction industry include 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 and that of Basalt include Arrowheads, As dimension stone, Cobblestones, Cutting tool, Rail track ballast, Roadstone.

More about Chalk and Basalt

Here you can know more about Chalk and Basalt. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Chalk and Basalt consists of mineral content and compound content. The mineral content of Chalk includes Calcite, Clay, Clay Minerals, Quartz, Sand and mineral content of Basalt includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Sedimentary Rocks. When we have to compare Chalk vs Basalt, the texture, color and appearance plays an important role in determining the type of rock. Chalk is available in grey, white, yellow colors whereas, Basalt is available in black, brown, light to dark grey colors. Appearance of Chalk is Soft and that of Basalt is Dull and Soft. Properties of rock is another aspect for Chalk vs Basalt. The hardness of Chalk is 1 and that of Basalt is 6. The types of Chalk are Not Available whereas types of Basalt are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Chalk is white while that of Basalt is white to grey. The specific heat capacity of Chalk is 0.90 kJ/Kg K and that of Basalt is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Chalk is heat resistant whereas Basalt is heat resistant, pressure resistant, wear resistant.