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Banded iron formation
Banded iron formation

Pseudotachylite
Pseudotachylite



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Banded iron formation vs Pseudotachylite

1 Definition
1.1 Definition
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.
1.2 History
1.2.1 Origin
Western Australia, Minnesota
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From its formation process
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.
1.4 Class
Sedimentary Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Banded, Trellis
Quench
2.2 Color
Red, Reddish Brown
Black, Brown, Colourless, Green, Grey, Pink, White
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
59% Sedimentary Rocks Rocks have it !
81% Metamorphic Rocks Rocks have it !
2.4.2 Scratch Resistant
62% Sedimentary Rocks Rocks have it !
65% Metamorphic Rocks Rocks have it !
2.4.3 Stain Resistant
43% Sedimentary Rocks Rocks have it !
42% Metamorphic Rocks Rocks have it !
2.4.4 Wind Resistant
38% Sedimentary Rocks Rocks have it !
19% Metamorphic Rocks Rocks have it !
2.4.5 Acid Resistant
22% Sedimentary Rocks Rocks have it !
15% Metamorphic 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, Entryways, Interior Decoration
3.1.2 Exterior Uses
Paving Stone, Office Buildings
As Building Stone, As Facing Stone, Garden Decoration
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.
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts
Artifacts, Monuments
3.4 Other Uses
3.4.1 Commercial Uses
As a touchstone, Cemetery Markers, Creating Artwork
Creating Artwork, Gemstone
4 Types
4.1 Types
Algoma-type , Lake Superior-type, Superior-type and Taconite
Not Available
4.2 Features
Is one of the oldest rock
Host Rock for Lead
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Used
4.3.2 Famous Monuments
Not Applicable
Data Not Available
4.3.3 Sculpture
Not Yet Used
Not Yet Used
4.3.4 Famous Sculptures
Not Applicable
Not Applicable
4.3.5 Pictographs
Not Used
Not Used
4.3.6 Petroglyphs
Not Used
Not Used
4.3.7 Figurines
Not Yet Used
Not Yet 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.
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Pseudotachylite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
5.2 Composition
5.2.1 Mineral Content
Hematite, Magnetite, Quartz
Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides
5.2.2 Compound Content
Fe, Iron(III) Oxide, Silicon Dioxide
Carbon Dioxide, Silicon Dioxide, Sulfur Dioxide, Sulphur
5.3 Transformation
5.3.1 Metamorphism
19% Sedimentary Rocks Rocks have it !
50% Metamorphic Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
5.3.3 Weathering
78% Sedimentary Rocks Rocks have it !
65% Metamorphic Rocks Rocks have it !
5.3.4 Types of Weathering
Chemical Weathering
Not Applicable
5.3.5 Erosion
86% Sedimentary Rocks Rocks have it !
77% Metamorphic Rocks Rocks have it !
5.3.6 Types of Erosion
Coastal Erosion, Wind Erosion
Not Applicable
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
Light to dark brown
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)
60.00 N/mm2
Rank: 25 (Overall)
Obsidian
ADD ⊕
6.1.8 Cleavage
Imperfect
Irregular
6.1.9 Toughness
1.5
Not Available
6.1.10 Specific Gravity
5.0-5.3
2.46-2.86
6.1.11 Transparency
Translucent to Opaque
Transparent to Translucent
6.1.12 Density
Not Available
2.7-2.9 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
3.20 kJ/Kg K
Rank: 1 (Overall)
0.92 kJ/Kg K
Rank: 10 (Overall)
Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
South Korea
7.1.2 Africa
Kenya, Morocco, South Africa, Tanzania
Western Africa
7.1.3 Europe
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Great Britain, Switzerland
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
Not Yet Found
7.2.2 South America
Bolivia, Brazil
Not Yet Found
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, Western Australia

Banded iron formation vs Pseudotachylite 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 Pseudotachylite Reserves. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. 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 Pseudotachylite information and Banded iron formation vs Pseudotachylite characteristics in the upcoming sections.

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

More about Banded iron formation and Pseudotachylite

Here you can know more about Banded iron formation and Pseudotachylite. 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 Pseudotachylite consists of mineral content and compound content. The mineral content of Banded iron formation includes Hematite, Magnetite, Quartz and mineral content of Pseudotachylite includes Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides. You can also check out the list of all Sedimentary Rocks. When we have to compare Banded iron formation vs Pseudotachylite, 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, Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. Appearance of Banded iron formation is Layered, Banded, Veined and Shiny and that of Pseudotachylite is Dull and Soft. Properties of rock is another aspect for Banded iron formation vs Pseudotachylite. The hardness of Banded iron formation is 5.5-6 and that of Pseudotachylite is 7. The types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite whereas types of Pseudotachylite 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 is white while that of Pseudotachylite is light to dark brown. The specific heat capacity of Banded iron formation is 3.20 kJ/Kg K and that of Pseudotachylite is 0.92 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 Pseudotachylite is heat resistant.