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Pseudotachylite vs Laterite


Laterite vs Pseudotachylite


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas   

History
  
  

Origin
USA   
India   

Discoverer
Unknown   
Francis Buchanan-Hamilton   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From Latin later brick, tile + -ite1   

Class
Metamorphic Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Soft Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture

Texture
Quench   
Earthy, Massive, Porphyritic   

Color
Black, Brown, Colourless, Green, Grey, Pink, White   
Brown, Buff, Red   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
No   

Stain Resistant
No   
No   

Wind Resistant
Yes   
No   

Acid Resistant
Yes   
No   

Appearance
Dull and Soft   
Rough and Banded   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Entryways, Interior Decoration   
Decorative Aggregates, Flooring, Interior Decoration   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

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

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments   
Artifacts, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Creating Artwork, Gemstone   
An Oil and Gas Reservoir, Source of bauxite, Used in aquariums   

Types

Types
Not Available   
Not Available   

Features
Host Rock for Lead   
Is one of the oldest rock, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Not Yet Used   
Used   

Fossils
Absent   
Present   

Formation

Formation
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Pseudotachylite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.   
Laterite is a type of sedimentary rock which is generally a reddish weathering product of basalt.   

Composition
  
  

Mineral Content
Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides   
Aluminum Oxides, Biotite, Hematite, Hornblade, Iron Oxides, Manganese Oxides, Micas, Muscovite or Illite, Plagioclase, Pyroxene   

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

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism   
Not Applicable   

Weathering
No   
Yes   

Types of Weathering
Not Applicable   
Biological Weathering, Chemical Weathering   

Erosion
No   
Yes   

Types of Erosion
Not Applicable   
Chemical Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
7   
2   

Grain Size
Very fine-grained   
Fine Grained   

Fracture
Uneven   
Conchoidal   

Streak
Light to dark brown   
White   

Porosity
Less Porous   
Highly Porous   

Luster
Vitreous   
Dull   

Compressive Strength
60.00 N/mm2   
25
Not Available   

Cleavage
Irregular   
Not Applicable   

Toughness
Not Available   
Not Available   

Specific Gravity
2.46-2.86   
Not Available   

Transparency
Transparent to Translucent   
Opaque   

Density
2.7-2.9 g/cm3   
Not Available   

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K   
10
Not Available   

Resistance
Heat Resistant   
Heat Resistant, Pressure Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
South Korea   
India   

Africa
Western Africa   
East Africa, Western Africa   

Europe
Great Britain, Switzerland   
England, Romania, Scotland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Not Yet Found   
Canada, USA   

South America
Not Yet Found   
Not Yet Found   

Deposits in Oceania Continent
  
  

Australia
Central Australia, Western Australia   
Central Australia, Western Australia   

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Pseudotachylite vs Laterite 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 Pseudotachylite and Laterite Reserves. Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas. 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 Pseudotachylite vs Laterite information and Pseudotachylite vs Laterite characteristics in the upcoming sections.

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

More about Pseudotachylite and Laterite

Here you can know more about Pseudotachylite and Laterite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Pseudotachylite and Laterite consists of mineral content and compound content. The mineral content of Pseudotachylite includes Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides and mineral content of Laterite includes Aluminum Oxides, Biotite, Hematite, Hornblade, Iron Oxides, Manganese Oxides, Micas, Muscovite or Illite, Plagioclase, Pyroxene. You can also check out the list of all Metamorphic Rocks. When we have to compare Pseudotachylite vs Laterite, the texture, color and appearance plays an important role in determining the type of rock. Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors whereas, Laterite is available in brown, buff, red colors. Appearance of Pseudotachylite is Dull and Soft and that of Laterite is Rough and Banded. Properties of rock is another aspect for Pseudotachylite vs Laterite. The hardness of Pseudotachylite is 7 and that of Laterite is 2. The types of Pseudotachylite are Not Available whereas types of Laterite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Pseudotachylite is light to dark brown while that of Laterite is white. The specific heat capacity of Pseudotachylite is 0.92 kJ/Kg K and that of Laterite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Pseudotachylite is heat resistant whereas Laterite is heat resistant, pressure resistant.

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