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Banded iron formation
Banded iron formation




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Banded iron formation Rock

1 Definition
1.1 Definition
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
1.2 History
1.2.1 Origin
Western Australia, Minnesota
1.2.2 Discoverer
Unknown
1.3 Etymology
From its formation process
1.4 Class
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Banded, Trellis
2.2 Color
Red, Reddish Brown
2.3 Maintenance
Less
2.4 Durability
Durable
2.4.1 Water Resistant
59% Sedimentary Rocks Rocks have it !
2.4.2 Scratch Resistant
62% Sedimentary Rocks Rocks have it !
2.4.3 Stain Resistant
43% Sedimentary Rocks Rocks have it !
2.4.4 Wind Resistant
38% Sedimentary Rocks Rocks have it !
2.4.5 Acid Resistant
22% Sedimentary Rocks Rocks have it !
2.5 Appearance
Layered, Banded, Veined and Shiny
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Homes
3.1.2 Exterior Uses
Paving Stone, Office Buildings
3.1.3 Other Architectural Uses
Curbing, Whetstones
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Used for flooring, stair treads, borders and window sills.
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
4 Types
4.1 Types
Algoma-type , Lake Superior-type, Superior-type and Taconite
4.2 Features
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
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.
5.2 Composition
5.2.1 Mineral Content
Hematite, Magnetite, Quartz
5.2.2 Compound Content
Fe, Iron(III) Oxide, Silicon Dioxide
5.3 Transformation
5.3.1 Metamorphism
19% Sedimentary Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
5.3.3 Weathering
78% Sedimentary Rocks Rocks have it !
5.3.4 Types of Weathering
Chemical Weathering
5.3.5 Erosion
86% Sedimentary Rocks Rocks have it !
5.3.6 Types of Erosion
Coastal Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5.5-6
6.1.2 Grain Size
Large and Coarse Grained
6.1.3 Fracture
Uneven, Splintery or Conchoidal
6.1.4 Streak
White
6.1.5 Porosity
Highly Porous
6.1.6 Luster
Earthy
6.1.7 Compressive Strength
Flint
Not Available
Rank: N/A (Overall)
Obsidian
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6.1.8 Cleavage
Imperfect
6.1.9 Toughness
1.5
6.1.10 Specific Gravity
5.0-5.3
6.1.11 Transparency
Translucent to Opaque
6.1.12 Density
Not Available
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
3.20 kJ/Kg K
Rank: 1 (Overall)
Granulite
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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
7.1.2 Africa
Kenya, Morocco, South Africa, Tanzania
7.1.3 Europe
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
7.1.4 Others
Greenland, Mid-Atlantic Ridge
7.2 Deposits in Western Continents
7.2.1 North America
Canada, Mexico, USA
7.2.2 South America
Bolivia, Brazil
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, Queensland, South Australia, Western Australia

Information about Banded iron formation

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Banded iron formation Uses. We have provided you with all information about Banded iron formation rock here. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. Banded iron formation is available in red, reddish brown colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Banded iron formation is white. Get to know more about Banded iron formation rock and characteristics of Banded iron formation rock in the next sections.