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Schist vs Metapelite


Metapelite vs Schist


Definition

Definition
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation  
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
  
  

Origin
-  
-  

Discoverer
Unknown  
Unknown  

Etymology
From French schiste, Greek skhistos i.e. split  
From Pelos or clay in Greek  

Class
Metamorphic Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
-  
-  

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

Texture

Texture
Foliated, Platy  
Foliated  

Color
Black, Blue, Brown, Dark Brown, Green, Grey, Silver  
Dark Greenish - Grey, Green, Light Green, Light Greenish Grey  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
No  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Layered and Shiny  
Banded  

Uses

Architecture
  
  

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

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

Other Architectural Uses
-  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, for Road Aggregate, Roadstone  
Cement Manufacture, Construction Aggregate, for Road Aggregate  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts  

Other Uses
  
  

Commercial Uses
Used in aquariums, Writing Slates  
Commemorative Tablets, Creating Artwork  

Types

Types
Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.  
Metamorphic rock  

Features
Easily splits into thin plates, Smooth to touch  
Easily splits into thin plates, It is One of the Oldest, Strongest and Hardest Rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Schist formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.  
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
Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc  
Albite, Chlorite, Quartz  

Compound Content
CaO, Carbon Dioxide, MgO  
Aluminium Oxide, CaO, MgO  

Transformation
  
  

Metamorphism
No  
No  

Types of Metamorphism
-  
-  

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
3.5-4  
5-6  

Grain Size
Medium to Fine Coarse Grained  
Medium to Fine Coarse Grained  

Fracture
Conchoidal  
Fibrous  

Streak
White  
-  

Porosity
Highly Porous  
Highly Porous  

Luster
Shiny  
Earthy  

Compressive Strength
150.00 N/mm2  
22
40.00 N/mm2  
40

Cleavage
Slaty  
-  

Toughness
1.5  
-  

Specific Gravity
2.5-2.9  
3.4-3.7  

Transparency
Opaque  
Opaque  

Density
2.8-2.9 g/cm3  
0-300 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.70 kJ/Kg K  
24
0.72 kJ/Kg K  
22

Resistance
Impact Resistant, Pressure Resistant, Water Resistant  
Heat Resistant, Impact Resistant, Pressure Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam  
-  

Africa
Egypt, Ethiopia, Morocco, Nigeria, South Africa  
Western Africa  

Europe
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland  
United Kingdom  

Others
-  
-  

Deposits in Western Continents
  
  

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

South America
Brazil, Colombia, Guyana  
Brazil, Colombia, Ecuador  

Deposits in Oceania Continent
  
  

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

Definition >>
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Schist 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 Schist and Metapelite Reserves. Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. 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 Schist vs Metapelite information and Schist vs Metapelite characteristics in the upcoming sections.

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

More about Schist and Metapelite

Here you can know more about Schist and Metapelite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Schist and Metapelite consists of mineral content and compound content. The mineral content of Schist includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc and mineral content of Metapelite includes Albite, Chlorite, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Schist vs Metapelite, the texture, color and appearance plays an important role in determining the type of rock. Schist is available in black, blue, brown, dark brown, green, grey, silver colors whereas, Metapelite is available in dark greenish - grey, green, light green, light greenish grey colors. Appearance of Schist is Layered and Shiny and that of Metapelite is Banded. Properties of rock is another aspect for Schist vs Metapelite. The hardness of Schist is 3.5-4 and that of Metapelite is 5-6. The types of Schist are Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist. whereas types of Metapelite are Metamorphic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Schist is white while that of Metapelite is . The specific heat capacity of Schist is 0.70 kJ/Kg K 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.Schist is impact resistant, pressure resistant, water resistant whereas Metapelite is heat resistant, impact resistant, pressure resistant.

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