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Epidosite vs Metapelite


Metapelite vs Epidosite


Definition

Definition
Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt   
Metapelite is an old and currently not widely used field geological term for a clay rich fine-grained clastic sediment or sedimentary rock, i.e. mud or a mudstone   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
Not Available   
From Pelos or clay in Greek   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture

Texture
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular   
Foliated   

Color
Black, Brown, Light to Dark Grey   
Dark Greenish - Grey, Green, Light Green, Light Greenish Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
Yes   
No   

Acid Resistant
No   
No   

Appearance
Dull and Soft   
Banded   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   
Cement Manufacture, Construction Aggregate, for Road Aggregate   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines   
Artifacts   

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork   
Commemorative Tablets, Creating Artwork   

Types

Types
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite   
Not Available   

Features
Has High structural resistance against erosion and climate, Very fine grained rock   
Easily splits into thin plates, It is One of the Oldest, Strongest and Hardest 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   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

Formation
Epidosite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.   
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Metapelite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.   

Composition
  
  

Mineral Content
Olivine, Plagioclase, Pyroxene   
Albite, Chlorite, Quartz   

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

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
No   
Yes   

Types of Erosion
Not Applicable   
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
6   
5-6   

Grain Size
Fine to Coarse Grained   
Medium to Fine Coarse Grained   

Fracture
Conchoidal   
Fibrous   

Streak
White to Grey   
Unknown   

Porosity
Less Porous   
Highly Porous   

Luster
Not Available   
Earthy   

Cleavage
Not Available   
Not Available   

Toughness
2.3   
Not Available   

Specific Gravity
2.8-3   
3.4-3.7   

Transparency
Opaque   
Opaque   

Density
Not Available   
0-300 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.72 kJ/Kg K   
20

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
Not Yet Found   

Africa
South Africa   
Western Africa   

Europe
Iceland   
United Kingdom   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Not Available   

South America
Brazil   
Brazil, Colombia, Ecuador   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
Central Australia, Western Australia   

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Epidosite vs Metapelite 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 Epidosite and Metapelite Reserves. Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt. Metapelite is an old and currently not widely used field geological term for a clay rich fine-grained clastic sediment or sedimentary rock, i.e. mud or a mudstone. 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 Epidosite vs Metapelite information and Epidosite vs Metapelite characteristics in the upcoming sections.

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Epidosite vs Metapelite 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. Epidosite vs Metapelite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Epidosite and Properties of Metapelite. Learn more about Epidosite vs Metapelite in the next section. The interior uses of Epidosite include Decorative aggregates, Floor tiles, Homes, Hotels and Interior decoration whereas the interior uses of Metapelite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Epidosite and Metapelite, they have various applications in construction industry. The uses of Epidosite in construction industry include As dimension stone, Cobblestones, Rail track ballast, Roadstone and that of Metapelite include Cement manufacture, Construction aggregate, For road aggregate.

More about Epidosite and Metapelite

Here you can know more about Epidosite and Metapelite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Epidosite and Metapelite consists of mineral content and compound content. The mineral content of Epidosite includes Olivine, Plagioclase, Pyroxene and mineral content of Metapelite includes Albite, Chlorite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Epidosite vs Metapelite, the texture, color and appearance plays an important role in determining the type of rock. Epidosite is available in black, brown, light to dark grey colors whereas, Metapelite is available in dark greenish - grey, green, light green, light greenish grey colors. Appearance of Epidosite is Dull and Soft and that of Metapelite is Banded. Properties of rock is another aspect for Epidosite vs Metapelite. The hardness of Epidosite is 6 and that of Metapelite is 5-6. The types of Epidosite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite whereas types of Metapelite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Epidosite is white to grey while that of Metapelite is unknown. The specific heat capacity of Epidosite is Not Available and that of Metapelite is 0.72 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Epidosite is heat resistant, pressure resistant, wear resistant whereas Metapelite is heat resistant, impact resistant, pressure resistant.

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