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Boninite vs Pseudotachylite


Pseudotachylite vs Boninite


Definition

Definition
Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction  
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.  

History
  
  

Origin
Japan  
USA  

Discoverer
Unknown  
Unknown  

Etymology
From its occurrence in the Izu-Bonin arc south of Japan  
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.  

Class
Igneous Rocks  
Metamorphic Rocks  

Sub-Class
Durable Rock, Hard Rock  
Durable Rock, Hard Rock  

Family
  
  

Group
Volcanic  
-  

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

Texture

Texture
Aphanitic to Porphyritic  
Quench  

Color
Bluish - Grey, Brown, Green, Grey  
Black, Brown, Green, Grey, Pink, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
No  
Yes  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
No  

Wind Resistant
Yes  
Yes  

Acid Resistant
No  
Yes  

Appearance
Dull and Soft  
Dull and Soft  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes, Kitchens  
Decorative Aggregates, Entryways, Interior Decoration  

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

Other Architectural Uses
-  
Curbing  

Industry
  
  

Construction Industry
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories  
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts, Monuments  

Other Uses
  
  

Commercial Uses
An Oil and Gas Reservoir, Cemetery Markers, Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)  
Creating Artwork, Gemstone  

Types

Types
Basalt  
Cataclastic rock  

Features
Available in Lots of Colors and Patterns, High Mg content, Is one of the oldest rock  
Host Rock for Lead  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.  
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.  

Composition
  
  

Mineral Content
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite  
Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides  

Compound Content
Silicon Dioxide  
Carbon Dioxide, Silicon Dioxide, Sulfur Dioxide, Sulphur  

Transformation
  
  

Metamorphism
Yes  
Yes  

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism  
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism  

Weathering
Yes  
No  

Types of Weathering
Biological Weathering  
-  

Erosion
Yes  
No  

Types of Erosion
Chemical Erosion, Coastal Erosion, Wind Erosion  
-  

Properties

Physical Properties
  
  

Hardness
7  
7  

Grain Size
Fine Grained  
Very fine-grained  

Fracture
Uneven  
Uneven  

Streak
White  
Light to dark brown  

Porosity
Less Porous  
Less Porous  

Luster
Vitreous  
Vitreous  

Compressive Strength
150.00 N/mm2  
22
60.00 N/mm2  
37

Cleavage
-  
-  

Toughness
1.1  
-  

Specific Gravity
2.5-2.8  
2.46-2.86  

Transparency
Opaque  
Transparent to Translucent  

Density
-9999 g/cm3  
2.7-2.9 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K  
15
0.92 kJ/Kg K  
10

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

Reserves

Deposits in Eastern Continents
  
  

Asia
-  
South Korea  

Africa
South Africa  
Western Africa  

Europe
England, Finland, United Kingdom  
Great Britain, Switzerland  

Others
Antarctica, Greenland  
-  

Deposits in Western Continents
  
  

North America
USA  
-  

South America
Colombia, Uruguay  
-  

Deposits in Oceania Continent
  
  

Australia
New Zealand, Western Australia  
Central Australia, Western Australia  

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Boninite 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 Boninite and Pseudotachylite Reserves. Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction. 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 Boninite vs Pseudotachylite information and Boninite vs Pseudotachylite characteristics in the upcoming sections.

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Boninite 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. Boninite vs Pseudotachylite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Boninite and Properties of Pseudotachylite. Learn more about Boninite vs Pseudotachylite in the next section. The interior uses of Boninite include Decorative aggregates, Homes and Kitchens whereas the interior uses of Pseudotachylite include Decorative aggregates, Entryways and Interior decoration. Due to some exceptional properties of Boninite and Pseudotachylite, they have various applications in construction industry. The uses of Boninite in construction industry include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories and that of Pseudotachylite include As dimension stone, Cement manufacture, For road aggregate, Making natural cement.

More about Boninite and Pseudotachylite

Here you can know more about Boninite and Pseudotachylite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Boninite and Pseudotachylite consists of mineral content and compound content. The mineral content of Boninite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite and mineral content of Pseudotachylite includes Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides. You can also check out the list of all Igneous Rocks. When we have to compare Boninite vs Pseudotachylite, the texture, color and appearance plays an important role in determining the type of rock. Boninite is available in bluish - grey, brown, green, grey colors whereas, Pseudotachylite is available in black, brown, green, grey, pink, white colors. Appearance of Boninite is Dull and Soft and that of Pseudotachylite is Dull and Soft. Properties of rock is another aspect for Boninite vs Pseudotachylite. Hardness of Boninite and Pseudotachylite is 7. The types of Boninite are Basalt whereas types of Pseudotachylite are Cataclastic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Boninite is white while that of Pseudotachylite is light to dark brown. The specific heat capacity of Boninite is 0.84 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.Boninite is heat resistant, impact resistant, pressure resistant, wear resistant whereas Pseudotachylite is heat resistant.

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