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Scoria
Scoria

Banded iron formation
Banded iron formation



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Banded iron formation

Scoria vs Banded iron formation

1 Definition
1.1 Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
1.2 History
1.2.1 Origin
Unknown
Western Australia, Minnesota
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
From its formation process
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Vesicular
Banded, Trellis
2.2 Color
Black, Brown, Dark Grey to Black, Red
Red, Reddish Brown
2.3 Maintenance
More
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Igneous Rocks Rocks have it !
59% Sedimentary Rocks Rocks have it !
2.4.2 Scratch Resistant
86% Igneous Rocks Rocks have it !
62% Sedimentary Rocks Rocks have it !
2.4.3 Stain Resistant
66% Igneous Rocks Rocks have it !
43% Sedimentary Rocks Rocks have it !
2.4.4 Wind Resistant
49% Igneous Rocks Rocks have it !
38% Sedimentary Rocks Rocks have it !
2.4.5 Acid Resistant
48% Igneous Rocks Rocks have it !
22% Sedimentary Rocks Rocks have it !
2.5 Appearance
Glassy and Vesicular
Layered, Banded, Veined and Shiny
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Interior Decoration
Decorative Aggregates, Homes
3.1.2 Exterior Uses
Garden Decoration, Paving Stone
Paving Stone, Office Buildings
3.1.3 Other Architectural Uses
Curbing
Curbing, Whetstones
3.2 Industry
3.2.1 Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works
As Dimension Stone, Used for flooring, stair treads, borders and window sills.
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture
Artifacts
3.4 Other Uses
3.4.1 Commercial Uses
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills
As a touchstone, Cemetery Markers, Creating Artwork
4 Types
4.1 Types
Not Available
Algoma-type , Lake Superior-type, Superior-type and Taconite
4.2 Features
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny
Is one of the oldest rock
4.3 Archaeological Significance
4.3.1 Monuments
Used
Not Yet Used
4.3.2 Famous Monuments
Data Not Available
Not Applicable
4.3.3 Sculpture
Used
Not Yet Used
4.3.4 Famous Sculptures
Data Not Available
Not Applicable
4.3.5 Pictographs
Used
Not Used
4.3.6 Petroglyphs
Used
Not Used
4.3.7 Figurines
Used
Not Yet Used
4.4 Fossils
Absent
Present
5 Formation
5.1 Formation
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.
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
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica
Hematite, Magnetite, Quartz
5.2.2 Compound Content
Ca, NaCl
Fe, Iron(III) Oxide, Silicon Dioxide
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
19% Sedimentary Rocks Rocks have it !
5.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Not Applicable
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
78% Sedimentary Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Weathering
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
86% Sedimentary Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion
Coastal Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5-6
5.5-6
6.1.2 Grain Size
Fine Grained
Large and Coarse Grained
6.1.3 Fracture
Conchoidal
Uneven, Splintery or Conchoidal
6.1.4 Streak
White
White
6.1.5 Porosity
Highly Porous
Highly Porous
6.1.6 Luster
Subvitreous to Dull
Earthy
6.1.7 Compressive Strength
Flint
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Obsidian
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6.1.8 Cleavage
Perfect
Imperfect
6.1.9 Toughness
2.1
1.5
6.1.10 Specific Gravity
Not Available
5.0-5.3
6.1.11 Transparency
Opaque
Translucent to Opaque
6.1.12 Density
Not Available
Not Available
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
Not Available
Rank: N/A (Overall)
3.20 kJ/Kg K
Rank: 1 (Overall)
Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
7.1.2 Africa
Ethiopia, Kenya, Tanzania
Kenya, Morocco, South Africa, Tanzania
7.1.3 Europe
Greece, Hungary, Iceland, Italy, Turkey
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
7.1.4 Others
Not Yet Found
Greenland, Mid-Atlantic Ridge
7.2 Deposits in Western Continents
7.2.1 North America
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, Mexico, USA
7.2.2 South America
Argentina, Chile, Ecuador, Peru
Bolivia, Brazil
7.3 Deposits in Oceania Continent
7.3.1 Australia
New Zealand, Western Australia
New South Wales, Queensland, South Australia, Western Australia

Scoria vs Banded iron formation 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 Scoria and Banded iron formation Reserves. Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. 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 Scoria vs Banded iron formation information and Scoria vs Banded iron formation characteristics in the upcoming sections.

Scoria vs Banded iron formation 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. Scoria vs Banded iron formation characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Scoria and Properties of Banded iron formation. Learn more about Scoria vs Banded iron formation in the next section. The interior uses of Scoria include Decorative aggregates and Interior decoration whereas the interior uses of Banded iron formation include Decorative aggregates and Homes. Due to some exceptional properties of Scoria and Banded iron formation, they have various applications in construction industry. The uses of Scoria in construction industry include Cement manufacture, Construction aggregate, For road aggregate, In landscaping and drainage works and that of Banded iron formation include As dimension stone, Used for flooring, stair treads, borders and window sills..

More about Scoria and Banded iron formation

Here you can know more about Scoria and Banded iron formation. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Scoria and Banded iron formation consists of mineral content and compound content. The mineral content of Scoria includes Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica and mineral content of Banded iron formation includes Hematite, Magnetite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Scoria vs Banded iron formation, the texture, color and appearance plays an important role in determining the type of rock. Scoria is available in black, brown, dark grey to black, red colors whereas, Banded iron formation is available in red, reddish brown colors. Appearance of Scoria is Glassy and Vesicular and that of Banded iron formation is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Scoria vs Banded iron formation. The hardness of Scoria is 5-6 and that of Banded iron formation is 5.5-6. The types of Scoria are Not Available whereas types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Scoria and Banded iron formation is white. The specific heat capacity of Scoria is Not Available and that of Banded iron formation is 3.20 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Scoria is heat resistant, impact resistant, pressure resistant, wear resistant whereas Banded iron formation is heat resistant, impact resistant, pressure resistant, wear resistant.