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Boninite vs Anorthosite


Anorthosite 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  
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase  

History
  
  

Origin
Japan  
-  

Discoverer
Unknown  
Unknown  

Etymology
From its occurrence in the Izu-Bonin arc south of Japan  
From French anorthose plagioclase + -ite1  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Volcanic  
Plutonic  

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

Texture

Texture
Aphanitic to Porphyritic  
Foliated, Glassy  

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

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
No  
Yes  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
Yes  
Yes  

Acid Resistant
No  
No  

Appearance
Dull and Soft  
Layered, Banded, Veined and Shiny  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes, Kitchens  
Decorative Aggregates, Floor Tiles, Homes, 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  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts, Sculpture, Small Figurines  

Other Uses
  
  

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

Types

Types
Basalt  
Proterozoic Anorthosite and Archean Anorthosite  

Features
Available in Lots of Colors and Patterns, High Mg content, Is one of the oldest rock  
Generally rough to touch, Is one of the oldest rock  

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.  
Anorthosite is a phaneritic, intrusive igneous rock which is characterized by a predominance of plagioclase feldspar which is almost 90–100%, and a minimal mafic component.   

Composition
  
  

Mineral Content
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite  
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene  

Compound Content
Silicon Dioxide  
Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide  

Transformation
  
  

Metamorphism
Yes  
Yes  

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

Weathering
Yes  
Yes  

Types of Weathering
Biological Weathering  
Biological Weathering  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
7  
5-6  

Grain Size
Fine Grained  
Coarse Grained  

Fracture
Uneven  
Irregular  

Streak
White  
White  

Porosity
Less Porous  
Less Porous  

Luster
Vitreous  
Pearly to Subvitreous  

Compressive Strength
150.00 N/mm2  
22
180.00 N/mm2  
18

Cleavage
-  
-  

Toughness
1.1  
-  

Specific Gravity
2.5-2.8  
2.62-2.82  

Transparency
Opaque  
Translucent  

Density
-9999 g/cm3  
2.7-4 g/cm3  

Thermal Properties
  
  

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

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

Reserves

Deposits in Eastern Continents
  
  

Asia
-  
-  

Africa
South Africa  
-  

Europe
England, Finland, United Kingdom  
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic  

Others
Antarctica, Greenland  
-  

Deposits in Western Continents
  
  

North America
USA  
Canada  

South America
Colombia, Uruguay  
Bolivia, Colombia  

Deposits in Oceania Continent
  
  

Australia
New Zealand, Western Australia  
Central Australia, South Australia, Western Australia  

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Boninite vs Anorthosite 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 Anorthosite 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. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. 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 Anorthosite information and Boninite vs Anorthosite characteristics in the upcoming sections.

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

More about Boninite and Anorthosite

Here you can know more about Boninite and Anorthosite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Boninite and Anorthosite consists of mineral content and compound content. The mineral content of Boninite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite and mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Boninite vs Anorthosite, 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, Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors. Appearance of Boninite is Dull and Soft and that of Anorthosite is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Boninite vs Anorthosite. The hardness of Boninite is 7 and that of Anorthosite is 5-6. The types of Boninite are Basalt whereas types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Boninite and Anorthosite is white. The specific heat capacity of Boninite is 0.84 kJ/Kg K and that of Anorthosite is 0.84 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 Anorthosite is heat resistant, impact resistant, pressure resistant, scratch resistant, wear resistant.

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