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Migmatite vs Andesite


Andesite vs Migmatite


Definition

Definition
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components   
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava   

History
  
  

Origin
Southern Alps, France   
North America   

Discoverer
Jakob Sederholm   
Unknown   

Etymology
From the Greek word migma which means a mixture   
From Andes mountains, where it is found in abundance   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture

Texture
Foliated   
Aphanitic to Porphyritic   

Color
Black, Bluish - Grey, Brown, Brown- Black, Dark Greenish - Grey, Dark Grey to Black   
Bluish - Grey, Grey, Pink, Yellow   

Maintenance
More   
More   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
Yes   

Appearance
Dull, Banded and Foilated   
Dull and Soft   

Uses

Architecture
  
  

Interior Uses
Countertops, Flooring, Kitchens   
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration, Kitchens   

Exterior Uses
As Building Stone, As Facing Stone   
Office Buildings, Roof Tiles   

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement   
Cobblestones, Construction Aggregate, for Road Aggregate   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts   
Artifacts, Monuments, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
Cemetery Markers, Jewelry, Tombstones, Used to manufracture paperweights and bookends   
Commemorative Tablets, Creating Artwork   

Types

Types
Diatexites and Metatexites   
Icelandite   

Features
Generally rough to touch, Is one of the oldest rock   
Generally rough to touch, High silica content, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Middle of the Earth in Ecuador   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Not Yet Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Migmatites form by high temperature regional and thermal metamorphism of protolith rocks where rocks melt partially due to high temperature.   
Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.   

Composition
  
  

Mineral Content
Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon   
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism   
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional 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, Glacier Erosion, Water Erosion, Wind Erosion   
Chemical Erosion, Coastal Erosion, Glacier Erosion   

Properties

Physical Properties
  
  

Hardness
5.5-6.5   
7   

Grain Size
Medium to Fine Coarse Grained   
Very fine-grained   

Fracture
Irregular   
Uneven   

Streak
White   
White   

Porosity
Very Less Porous   
Less Porous   

Luster
Dull to Pearly to Subvitreous   
Vitreous   

Compressive Strength
Not Available   
225.00 N/mm2   
7

Cleavage
Poor   
Not Available   

Toughness
1.2   
1.1   

Specific Gravity
2.65-2.75   
2.5-2.8   

Transparency
Opaque   
Opaque   

Density
Not Available   
2.11-2.36 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
2.39 kJ/Kg K   
2

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia   
India, Indonesia, Japan, Nepal, South Korea   

Africa
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo   
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania   

Europe
Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine, United Kingdom   
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

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

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

Deposits in Oceania Continent
  
  

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

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Migmatite vs Andesite 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 Migmatite and Andesite Reserves. Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components. Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. 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 Migmatite vs Andesite information and Migmatite vs Andesite characteristics in the upcoming sections.

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Migmatite vs Andesite 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. Migmatite vs Andesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Migmatite and Properties of Andesite. Learn more about Migmatite vs Andesite in the next section. The interior uses of Migmatite include Countertops, Flooring and Kitchens whereas the interior uses of Andesite include Decorative aggregates, Floor tiles, Homes, Interior decoration and Kitchens. Due to some exceptional properties of Migmatite and Andesite, they have various applications in construction industry. The uses of Migmatite in construction industry include As dimension stone, Cement manufacture, For road aggregate, Making natural cement and that of Andesite include Cobblestones, Construction aggregate, For road aggregate.

More about Migmatite and Andesite

Here you can know more about Migmatite and Andesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Migmatite and Andesite consists of mineral content and compound content. The mineral content of Migmatite includes Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon and mineral content of Andesite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon. You can also check out the list of all Metamorphic Rocks. When we have to compare Migmatite vs Andesite, the texture, color and appearance plays an important role in determining the type of rock. Migmatite is available in black, bluish - grey, brown, brown- black, dark greenish - grey, dark grey to black colors whereas, Andesite is available in bluish - grey, grey, pink, yellow colors. Appearance of Migmatite is Dull, Banded and Foilated and that of Andesite is Dull and Soft. Properties of rock is another aspect for Migmatite vs Andesite. The hardness of Migmatite is 5.5-6.5 and that of Andesite is 7. The types of Migmatite are Diatexites and Metatexites whereas types of Andesite are Icelandite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Migmatite and Andesite is white. The specific heat capacity of Migmatite is Not Available and that of Andesite is 2.39 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Migmatite is heat resistant, pressure resistant whereas Andesite is heat resistant, pressure resistant, wear resistant.

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