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Banded iron formation vs Blue Granite


Blue Granite vs Banded iron formation


Definition

Definition
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age   
Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar   

History
  
  

Origin
Western Australia, Minnesota   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From its formation process   
From the color of rock, Blue   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture

Texture
Banded, Trellis   
Phaneritic   

Color
Red, Reddish Brown   
Black, Brown, Light to Dark Grey, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
No   
No   

Appearance
Layered, Banded, Veined and Shiny   
Shiny   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes   
Decorative Aggregates, Floor Tiles, Flooring, Interior Decoration   

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

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, Construction Aggregate, for Road Aggregate   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts   
Artifacts, Monuments, Sculpture, Small Figurines   

Other Uses
  
  

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

Types

Types
Algoma-type , Lake Superior-type, Superior-type and Taconite   
Not Available   

Features
Is one of the oldest rock   
Available in lots of colors, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Not Used   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Not Yet Used   
Used   

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.   
Blue Granite is an igneous rock which is a variety of Larvikite and is known mainly for the presence of thumbnail-sized crystals of feldspar.   

Composition
  
  

Mineral Content
Hematite, Magnetite, Quartz   
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon   

Compound Content
Fe, Iron(III) Oxide, Silicon Dioxide   
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Burial Metamorphism, Cataclastic Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Chemical Weathering   
Biological Weathering, Chemical Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Coastal Erosion, Wind Erosion   
Chemical Erosion, Coastal Erosion, Water Erosion   

Properties

Physical Properties
  
  

Hardness
5.5-6   
6-7   

Grain Size
Large and Coarse Grained   
Medium to Fine Coarse Grained   

Fracture
Uneven, Splintery or Conchoidal   
Not Available   

Streak
White   
White   

Porosity
Highly Porous   
Less Porous   

Luster
Earthy   
Subvitreous to Dull   

Compressive Strength
Not Available   
175.00 N/mm2   
13

Cleavage
Imperfect   
Not Available   

Toughness
1.5   
Not Available   

Specific Gravity
5.0-5.3   
2.8-3   

Transparency
Translucent to Opaque   
Opaque   

Density
Not Available   
2.9-2.91 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
3.20 kJ/Kg K   
1
0.79 kJ/Kg K   
16

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam   
Not Yet Found   

Africa
Kenya, Morocco, South Africa, Tanzania   
Not Yet Found   

Europe
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom   
Bulgaria, England, Germany, Norway, Romania, Switzerland   

Others
Greenland, Mid-Atlantic Ridge   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA   
USA   

South America
Bolivia, Brazil   
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru   

Deposits in Oceania Continent
  
  

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

Definition >>
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Banded iron formation vs Blue Granite 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 Blue Granite Reserves. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar. 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 Blue Granite information and Banded iron formation vs Blue Granite characteristics in the upcoming sections.

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

More about Banded iron formation and Blue Granite

Here you can know more about Banded iron formation and Blue Granite. 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 Blue Granite consists of mineral content and compound content. The mineral content of Banded iron formation includes Hematite, Magnetite, Quartz and mineral content of Blue Granite includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon. You can also check out the list of all Sedimentary Rocks. When we have to compare Banded iron formation vs Blue Granite, 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, Blue Granite is available in black, brown, light to dark grey, white colors. Appearance of Banded iron formation is Layered, Banded, Veined and Shiny and that of Blue Granite is Shiny. Properties of rock is another aspect for Banded iron formation vs Blue Granite. The hardness of Banded iron formation is 5.5-6 and that of Blue Granite is 6-7. The types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite whereas types of Blue Granite 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 Blue Granite is white. The specific heat capacity of Banded iron formation is 3.20 kJ/Kg K and that of Blue Granite is 0.79 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 Blue Granite is heat resistant, impact resistant, pressure resistant.

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