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Limestone and Migmatite


Migmatite and Limestone


Definition

Definition
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate   
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components   

History
  
  

Origin
New Zealand   
Southern Alps, France   

Discoverer
Belsazar Hacquet   
Jakob Sederholm   

Etymology
From lime and stone in late 14th Century   
From the Greek word migma which means a mixture   

Class
Sedimentary Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture

Texture
Clastic or Non-Clastic   
Foliated   

Color
Beige, Black, Blue, Brown, Cream, Gold, Green, Grey, Light Green, Light Grey, Linen, Pink, Red, Rust, Silver, White, Yellow   
Black, Bluish - Grey, Brown, Brown- Black, Dark Greenish - Grey, Dark Grey to Black   

Maintenance
More   
More   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
No   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Rough and Banded   
Dull, Banded and Foilated   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration   
Countertops, Flooring, Kitchens   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
Cement Manufacture, Cobblestones, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar, Roadstone, Source of calcium   
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement   

Medical Industry
In Chemical and Pharmaceutical Industry, Medicines and Cosmetics   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines   
Artifacts   

Other Uses
  
  

Commercial Uses
Animal feed filler, As a Feed Additive for Livestock, Paper Industry, Raw material for manufacture of quicklime, slaked lime, Soil Conditioner, Used in aquariums, Whiting material in toothpaste, paint and paper   
Cemetery Markers, Jewelry, Tombstones, Used to manufracture paperweights and bookends   

Types

Types
Chalk, Coquina, Fossiliferous Limestone, Lithographic Limestone, Oolitic Limestone, Travertine, Tufa   
Diatexites and Metatexites   

Features
Host Rock for Lead, Stalactites and stalagmites are formed from this rock, Zinc and Copper Deposits   
Generally rough to touch, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Acropolis of Athens in Greece, Agia Sophia in Istanbul, Turkey, Al Aqsa Mosque in Jerusalem, Angkor Wat in Cambodia, Big Ben in London, Charminar in Hyderabad, India, Chhatrapati Shivaji Terminus in Maharashtra, India, Chichen Itza in Mexico, Empire State Building in New York, Khajuraho Temples, India, Kremlin in Moscow, Louvre in Paris, France, Neuschwanstein in Bavaria, Potala Palace in Lahasa, Tibet, Wailing Wall in Jerusalem   
Not Applicable   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Ajanta Caves in Maharashtra, India, Elephanta Caves in Maharashtra, India   
Not Applicable   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Not Yet Used   

Fossils
Present   
Absent   

Formation

Formation
Limestone is a sedimentary rock which is mainly made up of calcium carbonate.   
Migmatites form by high temperature regional and thermal metamorphism of protolith rocks where rocks melt partially due to high temperature.   

Composition
  
  

Mineral Content
Calcite, Chert, Clay, Dolomite, Quartz, Sand, Silt   
Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon   

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

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Burial Metamorphism, Cataclastic 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, Coastal Erosion   
Chemical Erosion, Glacier Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
3-4   
5.5-6.5   

Grain Size
Fine Grained   
Medium to Fine Coarse Grained   

Fracture
Splintery   
Irregular   

Streak
White   
White   

Porosity
Less Porous   
Very Less Porous   

Luster
Dull to Pearly   
Dull to Pearly to Subvitreous   

Compressive Strength
115.00 N/mm2   
18
Not Available   

Cleavage
Non-Existent   
Poor   

Toughness
1   
1.2   

Specific Gravity
2.3-2.7   
2.65-2.75   

Transparency
Opaque   
Opaque   

Density
2.3-2.7 g/cm3   
Not Available   

Thermal Properties
  
  

Specific Heat Capacity
0.91 kJ/Kg K   
11
Not Available   

Resistance
Pressure Resistant   
Heat Resistant, Pressure Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam   
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia   

Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe   
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo   

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

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

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

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

Deposits in Oceania Continent
  
  

Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula   
New South Wales, New Zealand, Queensland, Victoria   

Summary >>
<< Reserves

All about Limestone and Migmatite Properties

Know all about Limestone and Migmatite properties here. All properties of rocks are important as they define the type of rock and its application. Limestone belongs to Sedimentary Rocks while Migmatite belongs to Metamorphic Rocks.Texture of Limestone is Clastic or Non-Clastic whereas that of Migmatite is Foliated. Limestone appears Rough and Banded and Migmatite appears Dull, Banded and Foilated. The luster of Limestone is dull to pearly while that of Migmatite is dull to pearly to subvitreous. Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors whereas Migmatite is available in black, bluish - grey, brown, brown- black, dark greenish - grey, dark grey to black colors. The commercial uses of Limestone are animal feed filler, as a feed additive for livestock, paper industry, raw material for manufacture of quicklime, slaked lime, soil conditioner, used in aquariums, whiting material in toothpaste, paint and paper and that of Migmatite are cemetery markers, jewelry, tombstones, used to manufracture paperweights and bookends.

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