Banded iron formation

Boninite

Banded iron formation vs Boninite

Banded iron formation

Boninite

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1 Definition

1.1 Definition

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

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

1.2 History

1.2.1 Origin

Western Australia, Minnesota

Japan

1.2.2 Discoverer

Unknown

1.3 Etymology

From its formation process

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

1.4 Class

Sedimentary Rocks

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

1.5 Family

1.5.1 Group

Not Applicable

Volcanic

1.6 Other Categories

Coarse Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Banded, Trellis

Aphanitic to Porphyritic

2.2 Color

Red, Reddish Brown

Bluish - Grey, Brown, Colourless, Green, Grey

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

2.4.2 Scratch Resistant

✔ ✘

2.4.3 Stain Resistant

✔ ✘

2.4.4 Wind Resistant

✔ ✘

2.4.5 Acid Resistant

✔ ✘

2.5 Appearance

Layered, Banded, Veined and Shiny

Dull and Soft

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Homes

Decorative Aggregates, Homes, Kitchens

3.1.2 Exterior Uses

Paving Stone, Office Buildings

Garden Decoration, Office Buildings

3.1.3 Other Architectural Uses

Curbing, Whetstones

Not Yet Used

3.2 Industry

3.2.1 Construction Industry

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

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

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts

3.4 Other Uses

3.4.1 Commercial Uses

As a touchstone, Cemetery Markers, Creating Artwork

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

4 Types

4.1 Types

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

Not Available

4.2 Features

Is one of the oldest rock

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

4.3 Archaeological Significance

4.3.1 Monuments

Not Yet Used

4.3.2 Famous Monuments

Not Applicable

4.3.3 Sculpture

Not Yet Used

4.3.4 Famous Sculptures

Not Applicable

4.3.5 Pictographs

Not Used

4.3.6 Petroglyphs

Not Used

4.3.7 Figurines

Not Yet Used

4.4 Fossils

Present

Absent

5 Formation

5.1 Formation

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.

Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.

5.2 Composition

5.2.1 Mineral Content

Hematite, Magnetite, Quartz

Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite

5.2.2 Compound Content

Fe, Iron(III) Oxide, Silicon Dioxide

Silicon Dioxide

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

Not Applicable

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Chemical Weathering

Biological Weathering

5.3.5 Erosion

✔ ✘

5.3.6 Types of Erosion

Coastal Erosion, Wind Erosion

Chemical Erosion, Coastal Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

5.5-67

1 7

6.1.2 Grain Size

Large and Coarse Grained

Fine Grained

6.1.3 Fracture

Uneven, Splintery or Conchoidal

Uneven

6.1.4 Streak

White

6.1.5 Porosity

Highly Porous

Less Porous

6.1.6 Luster

Earthy

Vitreous

6.1.7 Compressive Strength

NANA

0.15 450

6.1.8 Cleavage

Imperfect

Not Available

6.1.9 Toughness

1.5

1.1

6.1.10 Specific Gravity

5.0-5.32.5-2.8

0 8.4

6.1.11 Transparency

Translucent to Opaque

Opaque

6.1.12 Density

Not AvailableNot Available

0 1400

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

3.20 kJ/Kg KNA

0.14 3.2

6.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

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

Not Available

7.1.2 Africa

Kenya, Morocco, South Africa, Tanzania

South Africa

7.1.3 Europe

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

England, Finland, United Kingdom

7.1.4 Others

Greenland, Mid-Atlantic Ridge

Antarctica, Greenland

7.2 Deposits in Western Continents

7.2.1 North America

Canada, Mexico, USA

USA

7.2.2 South America

Bolivia, Brazil

Colombia, Uruguay

7.3 Deposits in Oceania Continent

7.3.1 Australia

New South Wales, Queensland, South Australia, Western Australia

New Zealand, Western Australia

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

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

Here you can know more about Banded iron formation and Boninite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Banded iron formation and Boninite consists of mineral content and compound content. The mineral content of Banded iron formation includes Hematite, Magnetite, Quartz 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 Banded iron formation vs Boninite, the texture, color and appearance plays an important role in determining the type of rock. Banded iron formation is available in red, reddish brown colors whereas, Boninite is available in bluish - grey, brown, colourless, green, grey colors. Appearance of Banded iron formation is Layered, Banded, Veined and Shiny and that of Boninite is Dull and Soft. Properties of rock is another aspect for Banded iron formation vs Boninite. The hardness of Banded iron formation is 5.5-6 and that of Boninite is 7. The types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite whereas types of Boninite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Banded iron formation and Boninite is white. The specific heat capacity of Banded iron formation is 3.20 kJ/Kg K and that of Boninite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Banded iron formation is heat resistant, impact resistant, pressure resistant, wear resistant whereas Boninite is heat resistant, impact resistant, pressure resistant, wear resistant.