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Chert vs Boninite


Boninite vs Chert


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture  
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
-  
Japan  

Discoverer
Unknown  
Unknown  

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use  
From its occurrence in the Izu-Bonin arc south of Japan  

Class
Sedimentary Rocks  
Igneous 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
Banded, Rough  
Aphanitic to Porphyritic  

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

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
Yes  

Wind Resistant
No  
Yes  

Acid Resistant
Yes  
No  

Appearance
Glassy or Pearly  
Dull and Soft  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
-  

Industry
  
  

Construction Industry
Arrowheads, Construction Aggregate, Cutting Tool, Spear Points  
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
-  
-  

Antiquity Uses
Artifacts, Monuments  
Artifacts  

Other Uses
  
  

Commercial Uses
Creating Artwork, Gemstone, In fire-starting tools, Jewelry, To ignite fire, Used in flintlock firearms  
An Oil and Gas Reservoir, Cemetery Markers, Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)  

Types

Types
Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter  
Basalt  

Features
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate  
Available in Lots of Colors and Patterns, High Mg content, Is one of the oldest rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Present  
Absent  

Formation

Formation
Chert forms when microcrystals of silicon dioxide grow within soft sediments that become limestone or chalk. The chert formation can be either of chemical or biological origin.   
Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.  

Composition
  
  

Mineral Content
Quartz, Silicon  
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite  

Compound Content
Silicon Dioxide  
Silicon Dioxide  

Transformation
  
  

Metamorphism
No  
Yes  

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

Weathering
No  
Yes  

Types of Weathering
-  
Biological Weathering  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
6.5-7  
7  

Grain Size
Very fine-grained  
Fine Grained  

Fracture
Uneven, Splintery or Conchoidal  
Uneven  

Streak
White  
White  

Porosity
Highly Porous  
Less Porous  

Luster
Waxy and Dull  
Vitreous  

Compressive Strength
450.00 N/mm2  
1
150.00 N/mm2  
22

Cleavage
-  
-  

Toughness
1.5  
1.1  

Specific Gravity
2.5-2.8  
2.5-2.8  

Transparency
Translucent to Opaque  
Opaque  

Density
2.7 g/cm3  
-9999 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.74 kJ/Kg K  
21
0.84 kJ/Kg K  
15

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam  
-  

Africa
Kenya, Morocco, South Africa, Tanzania  
South Africa  

Europe
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom  
England, Finland, United Kingdom  

Others
Greenland, Mid-Atlantic Ridge  
Antarctica, Greenland  

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA  
USA  

South America
Bolivia, Brazil  
Colombia, Uruguay  

Deposits in Oceania Continent
  
  

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

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Chert vs Boninite 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 Chert and Boninite Reserves. Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. 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. 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 Chert vs Boninite information and Chert vs Boninite characteristics in the upcoming sections.

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Chert vs Boninite 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. Chert vs Boninite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Chert and Properties of Boninite. Learn more about Chert vs Boninite in the next section. The interior uses of Chert include Decorative aggregates and Homes whereas the interior uses of Boninite include Decorative aggregates, Homes and Kitchens. Due to some exceptional properties of Chert and Boninite, they have various applications in construction industry. The uses of Chert in construction industry include Arrowheads, Construction aggregate, Cutting tool, Spear points and that of Boninite 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.

More about Chert and Boninite

Here you can know more about Chert and Boninite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Chert and Boninite consists of mineral content and compound content. The mineral content of Chert includes Quartz, Silicon and mineral content of Boninite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite. You can also check out the list of all Sedimentary Rocks. When we have to compare Chert vs Boninite, the texture, color and appearance plays an important role in determining the type of rock. Chert is available in black, brown, green, grey, red, white colors whereas, Boninite is available in bluish - grey, brown, green, grey colors. Appearance of Chert is Glassy or Pearly and that of Boninite is Dull and Soft. Properties of rock is another aspect for Chert vs Boninite. The hardness of Chert is 6.5-7 and that of Boninite is 7. The types of Chert are Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter whereas types of Boninite are Basalt. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Chert and Boninite is white. The specific heat capacity of Chert is 0.74 kJ/Kg K and that of Boninite 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.Chert is heat resistant, impact resistant, pressure resistant, wear resistant whereas Boninite is heat resistant, impact resistant, pressure resistant, wear resistant.

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