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Serpentinite and Boninite


Boninite and Serpentinite


Definition

Definition
A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.   
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   

History
  
  

Origin
USA   
Japan   

Discoverer
Unknown   
Unknown   

Etymology
From English word serpentinization.   
From its occurrence in the Izu-Bonin arc south of Japan   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture

Texture
Earthy   
Aphanitic to Porphyritic   

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

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
No   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
No   
No   

Appearance
Rough and Dull   
Dull and Soft   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Not Yet Used   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement   
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   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Jewellery, Monuments, Sculpture   
Artifacts   

Other Uses
  
  

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

Types

Types
Jadeitite   
Not Available   

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

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Data Not Available   
Not Applicable   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

Formation
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Serpentinite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.   
Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.   

Composition
  
  

Mineral Content
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides   
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite   

Compound Content
Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur   
Silicon Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
No   
Yes   

Types of Weathering
Not Applicable   
Biological Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Wind Erosion   
Chemical Erosion, Coastal Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
3-5   
7   

Grain Size
Very fine-grained   
Fine Grained   

Fracture
Uneven   
Uneven   

Streak
White, Greenish White or Grey   
White   

Porosity
Less Porous   
Less Porous   

Luster
Waxy and Dull   
Vitreous   

Compressive Strength
310.00 N/mm2   
2
Not Available   

Cleavage
Irregular   
Not Available   

Toughness
7   
1.1   

Specific Gravity
2.79-3   
2.5-2.8   

Transparency
Opaque   
Opaque   

Density
2.5-3 g/cm3   
Not Available   

Thermal Properties
  
  

Specific Heat Capacity
0.95 kJ/Kg K   
9
Not Available   

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Saudi Arabia, Singapore, South Korea   
Not Available   

Africa
Ethiopia, Western Africa   
South Africa   

Europe
England, Georgia, Switzerland, United Kingdom   
England, Finland, United Kingdom   

Others
Not Yet Found   
Antarctica, Greenland   

Deposits in Western Continents
  
  

North America
Canada   
USA   

South America
Colombia   
Colombia, Uruguay   

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Serpentinite and Boninite Properties

Know all about Serpentinite and Boninite properties here. All properties of rocks are important as they define the type of rock and its application. Serpentinite belongs to Metamorphic Rocks while Boninite belongs to Igneous Rocks.Texture of Serpentinite is Earthy whereas that of Boninite is Aphanitic to Porphyritic. Serpentinite appears Rough and Dull and Boninite appears Dull and Soft. The luster of Serpentinite is waxy and dull while that of Boninite is vitreous. Serpentinite is available in black, brown, colourless, green, grey, white colors whereas Boninite is available in bluish - grey, brown, colourless, green, grey colors. The commercial uses of Serpentinite are commemorative tablets, creating artwork and that of Boninite are an oil and gas reservoir, cemetery markers, creating artwork, soil conditioner, source of magnesia (mgo).

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