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Banded iron formation
Banded iron formation

Andesite
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Banded iron formation
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Banded iron formation vs Andesite

1 Definition
1.1 Definition
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava
1.2 History
1.2.1 Origin
Western Australia, Minnesota
North America
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From its formation process
From Andes mountains, where it is found in abundance
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, Grey, Pink, Yellow
2.3 Maintenance
Less
More
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
59% Sedimentary Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
62% Sedimentary Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
43% Sedimentary Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
38% Sedimentary Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
22% Sedimentary Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
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, Floor Tiles, Homes, Interior Decoration, Kitchens
3.1.2 Exterior Uses
Paving Stone, Office Buildings
Office Buildings, Roof Tiles
3.1.3 Other Architectural Uses
Curbing, Whetstones
Curbing
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Used for flooring, stair treads, borders and window sills.
Cobblestones, Construction Aggregate, for Road Aggregate
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts
Artifacts, Monuments, Sculpture, Small Figurines
3.4 Other Uses
3.4.1 Commercial Uses
As a touchstone, Cemetery Markers, Creating Artwork
Commemorative Tablets, Creating Artwork
4 Types
4.1 Types
Algoma-type , Lake Superior-type, Superior-type and Taconite
Icelandite
4.2 Features
Is one of the oldest rock
Generally rough to touch, High silica content, Is one of the oldest rock
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Used
4.3.2 Famous Monuments
Not Applicable
Middle of the Earth in Ecuador
4.3.3 Sculpture
Not Yet Used
Used
4.3.4 Famous Sculptures
Not Applicable
Data Not Available
4.3.5 Pictographs
Not Used
Not Used
4.3.6 Petroglyphs
Not Used
Not Used
4.3.7 Figurines
Not Yet Used
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.
Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.
5.2 Composition
5.2.1 Mineral Content
Hematite, Magnetite, Quartz
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon
5.2.2 Compound Content
Fe, Iron(III) Oxide, Silicon Dioxide
Silicon Dioxide
5.3 Transformation
5.3.1 Metamorphism
19% Sedimentary Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
5.3.3 Weathering
78% Sedimentary Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Chemical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
86% Sedimentary Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Coastal Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5.5-6
7
6.1.2 Grain Size
Large and Coarse Grained
Very fine-grained
6.1.3 Fracture
Uneven, Splintery or Conchoidal
Uneven
6.1.4 Streak
White
White
6.1.5 Porosity
Highly Porous
Less Porous
6.1.6 Luster
Earthy
Vitreous
6.1.7 Compressive Strength
Flint
Not Available
Rank: N/A (Overall)
225.00 N/mm2
Rank: 7 (Overall)
Obsidian
ADD ⊕
6.1.8 Cleavage
Imperfect
Not Available
6.1.9 Toughness
1.5
1.1
6.1.10 Specific Gravity
5.0-5.3
2.5-2.8
6.1.11 Transparency
Translucent to Opaque
Opaque
6.1.12 Density
Not Available
2.11-2.36 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
3.20 kJ/Kg K
Rank: 1 (Overall)
2.39 kJ/Kg K
Rank: 2 (Overall)
Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat 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
India, Indonesia, Japan, Nepal, South Korea
7.1.2 Africa
Kenya, Morocco, South Africa, Tanzania
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
7.1.3 Europe
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom
7.1.4 Others
Greenland, Mid-Atlantic Ridge
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, Mexico, USA
Mexico, USA
7.2.2 South America
Bolivia, Brazil
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Western Australia

Banded iron formation vs Andesite 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 Andesite Reserves. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. 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 Andesite information and Banded iron formation vs Andesite characteristics in the upcoming sections.

Banded iron formation vs Andesite 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 Andesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Banded iron formation and Properties of Andesite. Learn more about Banded iron formation vs Andesite in the next section. The interior uses of Banded iron formation include Decorative aggregates and Homes whereas the interior uses of Andesite include Decorative aggregates, Floor tiles, Homes, Interior decoration and Kitchens. Due to some exceptional properties of Banded iron formation and Andesite, 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 Andesite include Cobblestones, Construction aggregate, For road aggregate.

More about Banded iron formation and Andesite

Here you can know more about Banded iron formation and Andesite. 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 Andesite consists of mineral content and compound content. The mineral content of Banded iron formation includes Hematite, Magnetite, Quartz and mineral content of Andesite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon. You can also check out the list of all Sedimentary Rocks. When we have to compare Banded iron formation vs Andesite, 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, Andesite is available in bluish - grey, grey, pink, yellow colors. Appearance of Banded iron formation is Layered, Banded, Veined and Shiny and that of Andesite is Dull and Soft. Properties of rock is another aspect for Banded iron formation vs Andesite. The hardness of Banded iron formation is 5.5-6 and that of Andesite is 7. The types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite whereas types of Andesite are Icelandite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Banded iron formation and Andesite is white. The specific heat capacity of Banded iron formation is 3.20 kJ/Kg K and that of Andesite is 2.39 kJ/Kg K. 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 Andesite is heat resistant, pressure resistant, wear resistant.

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