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Peridotite vs Shale


Shale vs Peridotite


Definition

Definition
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle   
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles   

History
  
  

Origin
Pike County, U.S   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From French, from peridot +‎ -ite   
From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture

Texture
Phaneritic   
Clastic, Splintery   

Color
Dark Greenish - Grey   
Black, Brown, Buff, Green, Grey, Red, Yellow   

Maintenance
Less   
More   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
No   

Stain Resistant
No   
No   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Rough and Shiny   
Muddy   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration   
Decorative Aggregates, Homes, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cobblestones   
Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Monuments, Sculpture, Small Figurines   
Artifacts, Sculpture   

Other Uses
  
  

Commercial Uses
Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds   
Creating Artwork, Pottery   

Types

Types
Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite   
Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale   

Features
Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock   
Easily splits into thin plates, Generally rough to touch, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Jantar Mantar in India   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Present   

Formation

Formation
Peridotites can be formed in two ways: as mantle rocks formed during the accretion and differentiation of the Earth or as cumulate rocks formed by precipitation of olivine and pyroxenes from basaltic magmas.   
Shale forms when very fine-grained clay particles are deposited in water which settle at the bottom of water bodies. They are later compacted hence forming shale.   

Composition
  
  

Mineral Content
Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene   
Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides   

Compound Content
Ca, Fe, Mg, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide   
Ca, Fe, Mg, Silicon Dioxide, Sodium   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism   
Not Applicable   

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   
Chemical Erosion, Coastal Erosion, Glacier Erosion   

Properties

Physical Properties
  
  

Hardness
5.5-6   
3   

Grain Size
Coarse Grained   
Very fine-grained   

Fracture
Irregular   
Not Available   

Streak
White   
White   

Porosity
Less Porous   
Highly Porous   

Luster
Shiny   
Dull   

Compressive Strength
107.55 N/mm2   
19
95.00 N/mm2   
20

Cleavage
Imperfect   
Slaty   

Toughness
2.1   
2.6   

Specific Gravity
3-3.01   
2.2-2.8   

Transparency
Translucent to Opaque   
Opaque   

Density
3.1-3.4 g/cm3   
2.4-2.8 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
1.26 kJ/Kg K   
5
0.39 kJ/Kg K   
23

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey   
Bangladesh, China, India, Russia   

Africa
Morocco, South Africa   
Ethiopia, Kenya, Morocco, South Africa, Tanzania   

Europe
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela   
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
USA   

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

Deposits in Oceania Continent
  
  

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

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Peridotite vs Shale 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 Peridotite and Shale Reserves. Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle. Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. 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 Peridotite vs Shale information and Peridotite vs Shale characteristics in the upcoming sections.

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

More about Peridotite and Shale

Here you can know more about Peridotite and Shale. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Peridotite and Shale consists of mineral content and compound content. The mineral content of Peridotite includes Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene and mineral content of Shale includes Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides. You can also check out the list of all Igneous Rocks. When we have to compare Peridotite vs Shale, the texture, color and appearance plays an important role in determining the type of rock. Peridotite is available in dark greenish - grey colors whereas, Shale is available in black, brown, buff, green, grey, red, yellow colors. Appearance of Peridotite is Rough and Shiny and that of Shale is Muddy. Properties of rock is another aspect for Peridotite vs Shale. The hardness of Peridotite is 5.5-6 and that of Shale is 3. The types of Peridotite are Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite whereas types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Peridotite and Shale is white. The specific heat capacity of Peridotite is 1.26 kJ/Kg K and that of Shale is 0.39 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Peridotite is heat resistant, pressure resistant, wear resistant whereas Shale is heat resistant, impact resistant.

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