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Pseudotachylite
Pseudotachylite

Laterite
Laterite



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Pseudotachylite
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Laterite

Pseudotachylite vs Laterite

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

-
-

Other Categories

Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Quench
Earthy, Massive, Porphyritic

Color

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

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

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

-
-

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

Cataclastic rock
Laterite

Features

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

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

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

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
-

Weathering

Types of Weathering

-
Biological Weathering, Chemical Weathering

Erosion

Types of Erosion

-
Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

72
1 7
👆🏻

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/mm25.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

2.46-2.86-9999
0 8.4
👆🏻

Transparency

Transparent to Translucent
Opaque

Density

2.7-2.9 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

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

-
-

Deposits in Western Continents

North America

-
Canada, USA

South America

-
-

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
Central Australia, Western Australia

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.

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, 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 Cataclastic rock whereas types of Laterite are Laterite. 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 0.92 kJ/Kg K. 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.