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Boninite
Boninite

Banded iron formation
Banded iron formation



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Boninite
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Banded iron formation

Boninite vs Banded iron formation

Definition

Definition

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
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age

History

Origin

Japan
Western Australia, Minnesota

Discoverer

Unknown
Johann Gottlob Lehmann

Etymology

From its occurrence in the Izu-Bonin arc south of Japan
From its formation process

Class

Igneous Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock

Family

Group

Volcanic
-

Other Categories

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

Texture

Texture

Aphanitic to Porphyritic
Banded, Trellis

Color

Bluish - Grey, Brown, Green, Grey
Red, Reddish Brown

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Soft
Layered, Banded, Veined and Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Kitchens
Decorative Aggregates, Homes

Exterior Uses

Garden Decoration, Office Buildings
Paving Stone, Office Buildings

Other Architectural Uses

-
Curbing, Whetstones

Industry

Construction Industry

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
As Dimension Stone, Used for flooring, stair treads, borders and window sills.

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts

Other Uses

Commercial Uses

An Oil and Gas Reservoir, Cemetery Markers, Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)
As a touchstone, Cemetery Markers, Creating Artwork

Types

Types

Basalt
Algoma-type , Lake Superior-type, Superior-type and Taconite

Features

Available in Lots of Colors and Patterns, High Mg content, Is one of the oldest rock
Is one of the oldest rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Present

Formation

Formation

Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.
The banded iron layers are formed in sea water when oxygen is released by photosynthetic cyano-bacteria. The oxygen then combines with dissolved iron in ocean to form insoluble iron oxides, which precipitated out, forming a thin layer of banded iron formation on ocean floor.

Composition

Mineral Content

Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite
Hematite, Magnetite, Quartz

Compound Content

Silicon Dioxide
Fe, Iron(III) Oxide, Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering
Chemical Weathering

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

75.5-6
1 7
👆🏻

Grain Size

Fine Grained
Large and Coarse Grained

Fracture

Uneven
Uneven, Splintery or Conchoidal

Streak

White
White

Porosity

Less Porous
Highly Porous

Luster

Vitreous
Earthy

Compressive Strength

150.00 N/mm2220.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

1.1
1.5

Specific Gravity

2.5-2.85.0-5.3
0 8.4
👆🏻

Transparency

Opaque
Translucent to Opaque

Density

-9999 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K3.20 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

-
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam

Africa

South Africa
Kenya, Morocco, South Africa, Tanzania

Europe

England, Finland, United Kingdom
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom

Others

Antarctica, Greenland
Greenland, Mid-Atlantic Ridge

Deposits in Western Continents

North America

USA
Canada, Mexico, USA

South America

Colombia, Uruguay
Bolivia, Brazil

Deposits in Oceania Continent

Australia

New Zealand, Western Australia
New South Wales, Queensland, South Australia, Western Australia

Boninite vs Banded iron formation 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 Boninite and Banded iron formation Reserves. 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. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. 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 Boninite vs Banded iron formation information and Boninite vs Banded iron formation characteristics in the upcoming sections.

Boninite vs Banded iron formation 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. Boninite vs Banded iron formation characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Boninite and Properties of Banded iron formation. Learn more about Boninite vs Banded iron formation in the next section. The interior uses of Boninite include Decorative aggregates, Homes and Kitchens whereas the interior uses of Banded iron formation include Decorative aggregates and Homes. Due to some exceptional properties of Boninite and Banded iron formation, they have various applications in construction industry. The uses of Boninite in construction industry 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 and that of Banded iron formation include As dimension stone, Used for flooring, stair treads, borders and window sills..

More about Boninite and Banded iron formation

Here you can know more about Boninite and Banded iron formation. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Boninite and Banded iron formation consists of mineral content and compound content. The mineral content of Boninite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite and mineral content of Banded iron formation includes Hematite, Magnetite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Boninite vs Banded iron formation, the texture, color and appearance plays an important role in determining the type of rock. Boninite is available in bluish - grey, brown, green, grey colors whereas, Banded iron formation is available in red, reddish brown colors. Appearance of Boninite is Dull and Soft and that of Banded iron formation is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Boninite vs Banded iron formation. The hardness of Boninite is 7 and that of Banded iron formation is 5.5-6. The types of Boninite are Basalt whereas types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Boninite and Banded iron formation is white. The specific heat capacity of Boninite is 0.84 kJ/Kg K and that of Banded iron formation is 3.20 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Boninite is heat resistant, impact resistant, pressure resistant, wear resistant whereas Banded iron formation is heat resistant, impact resistant, pressure resistant, wear resistant.