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Adakite vs Argillite


Argillite vs Adakite


Definition

Definition
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs   
Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate   

History
  
  

Origin
Adak, Aleutian Islands   
Unknown   

Discoverer
Defant and Drummond   
Unknown   

Etymology
From Adak, Aleutian Islands   
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture

Texture
Porphyritic   
Clastic, Polished   

Color
Black, Brown, Light to Dark Grey   
Dark Grey to Black, Pink, Red, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
No   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
Yes   
Yes   

Appearance
Dull and Soft   
Rough and Dull   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Whetstones   
Curbing, Whetstones   

Industry
  
  

Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   
Used for flooring, stair treads, borders and window sills.   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Monuments, Sculpture, Small Figurines   
Artifacts, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Pottery, Used in aquariums   
Fire resistant, Used to manufracture paperweights and bookends   

Types

Types
Not Available   
Not Available   

Features
Has High structural resistance against erosion and climate, Host rock for Diamond, Very fine grained rock   
Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Present   

Formation

Formation
Adakite rocks are formed when the hydrous fluids are released from minerals that break down in metamorphosed basalt, and rise into the mantle they initiate partial melting.   
An argillite is a fine-grained sedimentary rock mainly composed of clay particles which forms from lithified muds which contain variable amounts of silt-sized particles.   

Composition
  
  

Mineral Content
Olivine, Plagioclase, Pyroxene   
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz   

Compound Content
Aluminium Oxide, MgO, Silicon Dioxide   
Iron(III) Oxide, Potassium Oxide, MgO, Silicon Dioxide   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

Types of Weathering
Chemical Weathering, Mechanical Weathering   
Biological Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Coastal Erosion, Sea Erosion, Water Erosion   
Chemical Erosion   

Properties

Physical Properties
  
  

Hardness
3-4   
2-3   

Grain Size
Fine to Medium Grained   
Fine Grained   

Fracture
Conchoidal   
Conchoidal to Uneven   

Streak
Bluish Black   
White to Grey   

Porosity
Less Porous   
Highly Porous   

Luster
Grainy, Pearly and Vitreous   
Waxy and Dull   

Cleavage
Not Available   
Slaty   

Toughness
Not Available   
2.6   

Specific Gravity
Not Available   
2.56-2.68   

Transparency
Opaque   
Opaque   

Density
Not Available   
2.54-2.66 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.87 kJ/Kg K   
14

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
Bangladesh, China, India, Russia   

Africa
Ethiopia, Somalia, South Africa   
Ethiopia, Kenya, Morocco, South Africa, Tanzania   

Europe
Iceland   
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
USA   

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

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
New South Wales, New Zealand, Queensland, Victoria, Western Australia   

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Adakite vs Argillite 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 Adakite and Argillite Reserves. Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate. 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 Adakite vs Argillite information and Adakite vs Argillite characteristics in the upcoming sections.

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Adakite vs Argillite 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. Adakite vs Argillite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Adakite and Properties of Argillite. Learn more about Adakite vs Argillite in the next section. The interior uses of Adakite include Decorative aggregates, Floor tiles, Homes, Hotels and Kitchens whereas the interior uses of Argillite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Adakite and Argillite, they have various applications in construction industry. The uses of Adakite in construction industry include As dimension stone, Cobblestones, Rail track ballast, Roadstone and that of Argillite include Used for flooring, stair treads, borders and window sills..

More about Adakite and Argillite

Here you can know more about Adakite and Argillite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Adakite and Argillite consists of mineral content and compound content. The mineral content of Adakite includes Olivine, Plagioclase, Pyroxene and mineral content of Argillite includes Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Adakite vs Argillite, the texture, color and appearance plays an important role in determining the type of rock. Adakite is available in black, brown, light to dark grey colors whereas, Argillite is available in dark grey to black, pink, red, white colors. Appearance of Adakite is Dull and Soft and that of Argillite is Rough and Dull. Properties of rock is another aspect for Adakite vs Argillite. The hardness of Adakite is 3-4 and that of Argillite is 2-3. The types of Adakite are Not Available whereas types of Argillite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Adakite is bluish black while that of Argillite is white to grey. The specific heat capacity of Adakite is Not Available and that of Argillite is 0.87 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Adakite is heat resistant, pressure resistant, wear resistant whereas Argillite is heat resistant, impact resistant.

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