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Scoria vs Epidosite


Epidosite vs Scoria


Definition

Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities  
Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt  

History
  
  

Origin
-  
-  

Discoverer
Unknown  
Unknown  

Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung  
-  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Volcanic  
Volcanic  

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

Texture

Texture
Vesicular  
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular  

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

Maintenance
More  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
Yes  

Acid Resistant
No  
No  

Appearance
Glassy and Vesicular  
Dull and Soft  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works  
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone  

Medical Industry
-  
-  

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

Other Uses
  
  

Commercial Uses
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills  
Commemorative Tablets, Creating Artwork  

Types

Types
Basaltic Scoria and Andesitic Scoria  
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite  

Features
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny  
Has High structural resistance against erosion and climate, Very fine grained rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.  
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.  

Composition
  
  

Mineral Content
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica  
Olivine, Plagioclase, Pyroxene  

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

Transformation
  
  

Metamorphism
Yes  
Yes  

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

Weathering
Yes  
Yes  

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

Erosion
Yes  
No  

Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion  
-  

Properties

Physical Properties
  
  

Hardness
5-6  
6  

Grain Size
Fine Grained  
Fine to Coarse Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
White  
White to Grey  

Porosity
Highly Porous  
Less Porous  

Luster
Subvitreous to Dull  
-  

Compressive Strength
70.00 N/mm2  
35
160.00 N/mm2  
21

Cleavage
Perfect  
-  

Toughness
2.1  
2.3  

Specific Gravity
-9999  
2.8-3  

Transparency
Opaque  
Opaque  

Density
-9999 g/cm3  
-9999 g/cm3  

Thermal Properties
  
  

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

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Afghanistan, Indonesia, Japan, Russia  
India, Russia  

Africa
Ethiopia, Kenya, Tanzania  
South Africa  

Europe
Greece, Hungary, Iceland, Italy, Turkey  
Iceland  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA  
Canada, USA  

South America
Argentina, Chile, Ecuador, Peru  
Brazil  

Deposits in Oceania Continent
  
  

Australia
New Zealand, Western Australia  
-  

Definition >>
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Scoria vs Epidosite 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 Scoria and Epidosite Reserves. Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt. 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 Scoria vs Epidosite information and Scoria vs Epidosite characteristics in the upcoming sections.

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

More about Scoria and Epidosite

Here you can know more about Scoria and Epidosite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Scoria and Epidosite consists of mineral content and compound content. The mineral content of Scoria includes Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica and mineral content of Epidosite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Scoria vs Epidosite, the texture, color and appearance plays an important role in determining the type of rock. Scoria is available in black, brown, dark grey to black, red colors whereas, Epidosite is available in black, brown, light to dark grey colors. Appearance of Scoria is Glassy and Vesicular and that of Epidosite is Dull and Soft. Properties of rock is another aspect for Scoria vs Epidosite. The hardness of Scoria is 5-6 and that of Epidosite is 6. The types of Scoria are Basaltic Scoria and Andesitic Scoria whereas types of Epidosite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Scoria is white while that of Epidosite is white to grey. The specific heat capacity of Scoria is 0.84 kJ/Kg K and that of Epidosite 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.Scoria is heat resistant, impact resistant, pressure resistant, wear resistant whereas Epidosite is heat resistant, pressure resistant, wear resistant.

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