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Epidosite and Carbonatite


Carbonatite and Epidosite


Definition

Definition
Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt   
Carbonatite is intrusive or extrusive igneous rock which is defined by mineralogic composition, consisting of greater than 50 percent carbonate minerals   

History
  
  

Origin
Unknown   
Tanzania   

Discoverer
Unknown   
Unknown   

Etymology
Not Available   
From any intrusive igneous rock, having a majority of carbonate minerals   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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   
Granular, Poikiloblastic   

Color
Black, Brown, Light to Dark Grey   
Black, Brown, Colourless, Green, Grey, Pink, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
No   

Stain Resistant
Yes   
No   

Wind Resistant
Yes   
No   

Acid Resistant
No   
No   

Appearance
Dull and Soft   
Dull, Banded and Foilated   

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 Facing Stone, Garden Decoration   

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   
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, Unknown, Unknown   

Medical Industry
Not Yet Used   
Taken as a Supplement for Calcium or Magnesium   

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines   
Artifacts   

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork   
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux   

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   
Available in lots of colors, Generally rough to touch, Is one of the oldest 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.   
Carbonatites are intrusive or extrusive igneous rocks which are defined by mineralogic composition consisting of greater than 50 percent carbonate minerals and are formed due to low degrees of partial melting of rocks.   

Composition
  
  

Mineral Content
Olivine, Plagioclase, Pyroxene   
Ancylite, Apatite, Barite, Fluorite, Magnetite, Natrolite, Sodalite   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

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

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, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
6   
3   

Grain Size
Fine to Coarse Grained   
Medium to Fine Coarse Grained   

Fracture
Conchoidal   
Conchoidal   

Streak
White to Grey   
White   

Porosity
Less Porous   
Less Porous   

Luster
Not Available   
Subvitreous to Dull   

Cleavage
Not Available   
Not Available   

Toughness
2.3   
1   

Specific Gravity
2.8-3   
2.86-2.87   

Transparency
Opaque   
Opaque   

Density
Not Available   
2.84-2.86 g/cm3   

Thermal Properties
  
  

Resistance
Heat Resistant, Pressure Resistant, Wear Resistant   
Heat Resistant, Pressure Resistant, Water Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan   

Africa
South Africa   
Namibia, Nigeria, South Africa   

Europe
Iceland   
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom   

Others
Not Yet Found   
Greenland   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Brazil   
Brazil   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
New South Wales, New Zealand   

Summary >>
<< Reserves

All about Epidosite and Carbonatite Properties

Know all about Epidosite and Carbonatite properties here. All properties of rocks are important as they define the type of rock and its application. Epidosite and Carbonatite belong to Igneous Rocks.Texture of Epidosite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Carbonatite is Granular, Poikiloblastic. Epidosite appears Dull and Soft and Carbonatite appears Dull, Banded and Foilated. The luster of Epidosite is not available while that of Carbonatite is subvitreous to dull. Epidosite is available in black, brown, light to dark grey colors whereas Carbonatite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Epidosite are commemorative tablets, creating artwork and that of Carbonatite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux.

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