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Chalk
Chalk

Boninite
Boninite



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Chalk vs Boninite

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Definition

Definition

Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers
Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction

History

Origin

-
Japan

Discoverer

Unknown
Unknown

Etymology

From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone
From its occurrence in the Izu-Bonin arc south of Japan

Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Hard Rock

Family

Group

-
Volcanic

Other Categories

Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Clastic or Non-Clastic
Aphanitic to Porphyritic

Color

Grey, White, Yellow
Bluish - Grey, Brown, Green, Grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Soft
Dull and Soft

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration
Decorative Aggregates, Homes, Kitchens

Exterior Uses

As Building Stone, As Facing Stone, Paving Stone, Garden Decoration
Garden Decoration, Office Buildings

Other Architectural Uses

Powder
-

Industry

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
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines
Artifacts

Other Uses

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, Cemetery Markers, Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)

Types

Types

Chalk Marl and Marl
Basalt

Features

Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock
Available in Lots of Colors and Patterns, High Mg content, Is one of the oldest rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Present
Absent

Formation

Formation

Chalk is formed from lime mud, which accumulates on the sea floor which is then transformed into rock by geological processes.
Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.

Composition

Mineral Content

Calcite, Clay, Clay Minerals, Quartz, Sand
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite

Compound Content

Ca, NaCl, CaO
Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering
Biological Weathering

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion
Chemical Erosion, Coastal Erosion, Wind Erosion

Properties

Physical Properties

Hardness

17
1 7
👆🏻

Grain Size

Very fine-grained
Fine Grained

Fracture

-
Uneven

Streak

White
White

Porosity

Highly Porous
Less Porous

Luster

Dull
Vitreous

Compressive Strength

5.00 N/mm2150.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

1
1.1

Specific Gravity

2.3-2.42.5-2.8
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.49-2.50 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.90 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
-

Africa

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

Europe

England, France, Germany, Spain, United Kingdom
England, Finland, United Kingdom

Others

-
Antarctica, Greenland

Deposits in Western Continents

North America

Canada, USA
USA

South America

Colombia
Colombia, Uruguay

Deposits in Oceania Continent

Australia

Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
New Zealand, Western Australia

Chalk vs Boninite 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 Boninite Reserves. Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction. 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 Boninite information and Chalk vs Boninite characteristics in the upcoming sections.

Chalk vs Boninite 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 Boninite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Chalk and Properties of Boninite. Learn more about Chalk vs Boninite in the next section. The interior uses of Chalk include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Boninite include Decorative aggregates, Homes and Kitchens. Due to some exceptional properties of Chalk and Boninite, 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 Boninite include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Chalk and Boninite

Here you can know more about Chalk and Boninite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Chalk and Boninite consists of mineral content and compound content. The mineral content of Chalk includes Calcite, Clay, Clay Minerals, Quartz, Sand and mineral content of Boninite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite. You can also check out the list of all Sedimentary Rocks. When we have to compare Chalk vs Boninite, the texture, color and appearance plays an important role in determining the type of rock. Chalk is available in grey, white, yellow colors whereas, Boninite is available in bluish - grey, brown, green, grey colors. Appearance of Chalk is Soft and that of Boninite is Dull and Soft. Properties of rock is another aspect for Chalk vs Boninite. The hardness of Chalk is 1 and that of Boninite is 7. The types of Chalk are Chalk Marl and Marl whereas types of Boninite are Basalt. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Chalk and Boninite is white. The specific heat capacity of Chalk is 0.90 kJ/Kg K and that of Boninite 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 Boninite is heat resistant, impact resistant, pressure resistant, wear resistant.