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Boninite vs Gneiss


Gneiss 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   
Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks   

History
  
  

Origin
Japan   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From its occurrence in the Izu-Bonin arc south of Japan   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture

Texture
Aphanitic to Porphyritic   
Banded, Foliated, Platy   

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

Maintenance
Less   
More   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
No   
No   

Appearance
Dull and Soft   
Foliated   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Not Yet Used   
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   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts   
Artifacts   

Other Uses
  
  

Commercial Uses
An Oil and Gas Reservoir, Cemetery Markers, Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)   
Cemetery Markers, Jewelry, Tombstones, Used in aquariums   

Types

Types
Not Available   
Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.   

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
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Konark Sun Temple in India, Washington Monument, US   

Sculpture
Not Yet Used   
Not Yet Used   

Famous Sculptures
Not Applicable   
Not Applicable   

Pictographs
Not Used   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Not Yet Used   
Not Yet Used   

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.   
Gneiss is a high grade metamorphic rock i.e. it has been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of Gneiss forms from volcanic rock, shale or granitie.   

Composition
  
  

Mineral Content
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite   
Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon   

Compound Content
Silicon Dioxide   
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, MnO, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering   
Biological Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
7   
7   

Grain Size
Fine Grained   
Medium to Coarse Grained   

Fracture
Uneven   
Irregular   

Streak
White   
White   

Porosity
Less Porous   
Very Less Porous   

Luster
Vitreous   
Dull   

Compressive Strength
Not Available   
125.00 N/mm2   
17

Cleavage
Not Available   
Poor   

Toughness
1.1   
1.2   

Specific Gravity
2.5-2.8   
2.5-2.7   

Transparency
Opaque   
Translucent to Opaque   

Density
Not Available   
2.6-2.9 g/cm3   

Thermal Properties
  
  

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Not Available   
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia   

Africa
South Africa   
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo   

Europe
England, Finland, United Kingdom   
Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Switzerland, Ukraine, United Kingdom   

Others
Antarctica, Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
USA   
Canada, Costa Rica, Cuba, Mexico, Panama, USA   

South America
Colombia, Uruguay   
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela   

Deposits in Oceania Continent
  
  

Australia
New Zealand, Western Australia   
New South Wales, New Zealand, Queensland, Victoria   

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Boninite vs Gneiss 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 Gneiss 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. Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. 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 Gneiss information and Boninite vs Gneiss characteristics in the upcoming sections.

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Boninite vs Gneiss 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 Gneiss characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Boninite and Properties of Gneiss. Learn more about Boninite vs Gneiss in the next section. The interior uses of Boninite include Decorative aggregates, Homes and Kitchens whereas the interior uses of Gneiss include Countertops, Decorative aggregates, Flooring and Interior decoration. Due to some exceptional properties of Boninite and Gneiss, 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 Gneiss include As dimension stone.

More about Boninite and Gneiss

Here you can know more about Boninite and Gneiss. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Boninite and Gneiss consists of mineral content and compound content. The mineral content of Boninite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite and mineral content of Gneiss includes Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Boninite vs Gneiss, the texture, color and appearance plays an important role in determining the type of rock. Boninite is available in bluish - grey, brown, colourless, green, grey colors whereas, Gneiss is available in black, brown, pink, red, white colors. Appearance of Boninite is Dull and Soft and that of Gneiss is Foliated. Properties of rock is another aspect for Boninite vs Gneiss. Hardness of Boninite and Gneiss is 7. The types of Boninite are Not Available whereas types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Boninite and Gneiss is white. The specific heat capacity of Boninite is Not Available and that of Gneiss is Not Available. 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 Gneiss is heat resistant, pressure resistant, scratch resistant, wear resistant.

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