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Banded iron formation vs Serpentinite


Serpentinite vs Banded iron formation


Definition

Definition
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age  
A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.  

History
  
  

Origin
Western Australia, Minnesota  
USA  

Discoverer
Johann Gottlob Lehmann  
Unknown  

Etymology
From its formation process  
From English word serpentinization.  

Class
Sedimentary Rocks  
Metamorphic Rocks  

Sub-Class
Durable Rock, Medium Hardness Rock  
Durable Rock, Medium Hardness Rock  

Family
  
  

Group
-  
-  

Other Categories
Coarse Grained Rock, Opaque Rock  
Fine Grained Rock, Opaque Rock  

Texture

Texture
Banded, Trellis  
Earthy  

Color
Red, Reddish Brown  
Black, Brown, Green, Grey, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
No  
Yes  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Layered, Banded, Veined and Shiny  
Rough and Dull  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes  
Decorative Aggregates, Interior Decoration  

Exterior Uses
Paving Stone, Office Buildings  
As Building Stone, Paving Stone, Garden Decoration, Office Buildings  

Other Architectural Uses
Curbing, Whetstones  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Used for flooring, stair treads, borders and window sills.  
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts, Jewellery, Monuments, Sculpture  

Other Uses
  
  

Commercial Uses
As a touchstone, Cemetery Markers, Creating Artwork  
Commemorative Tablets, Creating Artwork  

Types

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

Features
Is one of the oldest rock  
Host Rock for Lead  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Present  
Absent  

Formation

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.  
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Serpentinite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.  

Composition
  
  

Mineral Content
Hematite, Magnetite, Quartz  
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides  

Compound Content
Fe, Iron(III) Oxide, Silicon Dioxide  
Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur  

Transformation
  
  

Metamorphism
No  
Yes  

Types of Metamorphism
-  
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism  

Weathering
Yes  
No  

Types of Weathering
Chemical Weathering  
-  

Erosion
Yes  
Yes  

Types of Erosion
Coastal Erosion, Wind Erosion  
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Wind Erosion  

Properties

Physical Properties
  
  

Hardness
5.5-6  
3-5  

Grain Size
Large and Coarse Grained  
Very fine-grained  

Fracture
Uneven, Splintery or Conchoidal  
Uneven  

Streak
White  
White, Greenish White or Grey  

Porosity
Highly Porous  
Less Porous  

Luster
Earthy  
Waxy and Dull  

Compressive Strength
220.00 N/mm2  
9
310.00 N/mm2  
2

Cleavage
-  
-  

Toughness
1.5  
7  

Specific Gravity
5.0-5.3  
2.79-3  

Transparency
Translucent to Opaque  
Opaque  

Density
-9999 g/cm3  
2.5-3 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
3.20 kJ/Kg K  
1
0.95 kJ/Kg K  
9

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam  
India, Saudi Arabia, Singapore, South Korea  

Africa
Kenya, Morocco, South Africa, Tanzania  
Ethiopia, Western Africa  

Europe
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom  
England, Georgia, Switzerland, United Kingdom  

Others
Greenland, Mid-Atlantic Ridge  
-  

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA  
Canada  

South America
Bolivia, Brazil  
Colombia  

Deposits in Oceania Continent
  
  

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

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Banded iron formation vs Serpentinite 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 Serpentinite Reserves. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.. 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 Serpentinite information and Banded iron formation vs Serpentinite characteristics in the upcoming sections.

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Banded iron formation vs Serpentinite 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 Serpentinite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Banded iron formation and Properties of Serpentinite. Learn more about Banded iron formation vs Serpentinite in the next section. The interior uses of Banded iron formation include Decorative aggregates and Homes whereas the interior uses of Serpentinite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Banded iron formation and Serpentinite, 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 Serpentinite include As dimension stone, Cement manufacture, For road aggregate, Making natural cement.

More about Banded iron formation and Serpentinite

Here you can know more about Banded iron formation and Serpentinite. 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 Serpentinite consists of mineral content and compound content. The mineral content of Banded iron formation includes Hematite, Magnetite, Quartz and mineral content of Serpentinite includes Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides. You can also check out the list of all Sedimentary Rocks. When we have to compare Banded iron formation vs Serpentinite, 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, Serpentinite is available in black, brown, green, grey, white colors. Appearance of Banded iron formation is Layered, Banded, Veined and Shiny and that of Serpentinite is Rough and Dull. Properties of rock is another aspect for Banded iron formation vs Serpentinite. The hardness of Banded iron formation is 5.5-6 and that of Serpentinite is 3-5. The types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite whereas types of Serpentinite are Jadeitite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Banded iron formation is white while that of Serpentinite is white, greenish white or grey. The specific heat capacity of Banded iron formation is 3.20 kJ/Kg K and that of Serpentinite is 0.95 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 Serpentinite is heat resistant.

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