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What is Banded iron formation?



Definition
0

Definition
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age 0

History
0

Origin
Western Australia, Minnesota 0

Discoverer
Unknown 0

Etymology
From its formation process 0

Class
Sedimentary Rocks 0

Sub-Class
Durable Rock, Medium Hardness Rock 0

Family
0

Group
Not Applicable 0

Other Categories
Coarse Grained Rock, Opaque Rock 0

Texture
0

Texture
Banded, Trellis 0

Color
Red, Reddish Brown 0

Maintenance
Less 0

Durability
Durable 0

Water Resistant
No 0

Scratch Resistant
Yes 0

Stain Resistant
Yes 0

Wind Resistant
No 0

Acid Resistant
No 0

Appearance
Layered, Banded, Veined and Shiny 0

Uses
0

Architecture
0

Interior Uses
Decorative Aggregates, Homes 0

Exterior Uses
Paving Stone, Office Buildings 0

Other Architectural Uses
Curbing, Whetstones 0

Industry
0

Construction Industry
As Dimension Stone, Used for flooring, stair treads, borders and window sills. 0

Medical Industry
Not Yet Used 0

Antiquity Uses
Artifacts 0

Other Uses
0

Commercial Uses
As a touchstone, Cemetery Markers, Creating Artwork 0

Types
0

Types
Algoma-type , Lake Superior-type, Superior-type and Taconite 0

Features
Is one of the oldest rock 0

Archaeological Significance
0

Monuments
Not Yet Used 0

Famous Monuments
Not Applicable 0

Sculpture
Not Yet Used 0

Famous Sculptures
Not Applicable 0

Pictographs
Not Used 0

Petroglyphs
Not Used 0

Figurines
Not Yet Used 0

Fossils
Present 0

Formation
0

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. 0

Composition
0

Mineral Content
Hematite, Magnetite, Quartz 0

Compound Content
Fe, Iron(III) Oxide, Silicon Dioxide 0

Transformation
0

Metamorphism
No 0

Types of Metamorphism
Not Applicable 0

Weathering
Yes 0

Types of Weathering
Chemical Weathering 0

Erosion
Yes 0

Types of Erosion
Coastal Erosion, Wind Erosion 0

Properties
0

Physical Properties
0

Hardness
5.5-6 0

Grain Size
Large and Coarse Grained 0

Fracture
Uneven, Splintery or Conchoidal 0

Streak
White 0

Porosity
Highly Porous 0

Luster
Earthy 0

Compressive Strength
Not Available 0

Cleavage
Imperfect 0

Toughness
1.5 0

Specific Gravity
5.0-5.3 0

Transparency
Translucent to Opaque 0

Density
Not Available 0

Thermal Properties
0

Specific Heat Capacity
3.20 kJ/Kg K 1

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant 0

Reserves
0

Deposits in Eastern Continents
0

Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam 0

Africa
Kenya, Morocco, South Africa, Tanzania 0

Europe
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom 0

Others
Greenland, Mid-Atlantic Ridge 0

Deposits in Western Continents
0

North America
Canada, Mexico, USA 0

South America
Bolivia, Brazil 0

Deposits in Oceania Continent
0

Australia
New South Wales, Queensland, South Australia, Western Australia 0

Summary >>
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Learn more about Properties of Banded iron formation

What is Banded iron formation? In this section, we will learn more about properties of Banded iron formation i.e. physical and thermal properties. Physical properties of Banded iron formation include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Banded iron formation is Not Available. Streak of Banded iron formation is white while its cleavage is imperfect. Luster of Banded iron formation is earthy and its fracture is uneven, splintery or conchoidal. Banded iron formation is translucent to opaque in nature. Know all about Banded iron formation, What is Banded iron formation, its composition, features, facts and reserves in next sections.

Know about Composition of Banded iron formation

What is Banded iron formation composed of? Get to know about composition of Banded iron formation here. Banded iron formation definition gives information about the Formation of Banded iron formation and its composition.The composition of Banded iron formation can be further divided into mineral and compound content. The mineral content of Banded iron formation rock includes Hematite, Magnetite, Quartz and The compound content of Banded iron formation rock includes Fe, Iron(III) Oxide, Silicon Dioxide. Almost all rocks undergo transformation process. Know all about Banded iron formation rock in next section.

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