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Pseudotachylite
Pseudotachylite

Granodiorite
Granodiorite



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Pseudotachylite
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Granodiorite

Pseudotachylite vs Granodiorite

Definition

Definition

Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.
Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite

History

Origin

USA
-

Discoverer

Unknown
Unknown

Etymology

From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.
From granite + diorite

Class

Metamorphic Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Plutonic

Other Categories

Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Texture

Quench
Granular, Phaneritic

Color

Black, Brown, Green, Grey, Pink, White
Black, Grey, Orange, Pink, White

Maintenance

Less
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Soft
Veined or Pebbled

Uses

Architecture

Interior Uses

Decorative Aggregates, Entryways, Interior Decoration
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Stair Treads

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration
As Building Stone, Bridges, Paving Stone, Garden Decoration, Office Buildings, Resorts

Other Architectural Uses

Curbing
-

Industry

Construction Industry

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

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Creating Artwork, Gemstone
Curling, Gemstone, Laboratory bench tops, Tombstones

Types

Types

Cataclastic rock
Granodiorite

Features

Host Rock for Lead
Available in Lots of Colors and Patterns

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

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.
Granodiorite is an intrusive igneous rock which is very hard, crystalline and is visibly homogeneous in texture and forms by melting of continental rocks.

Composition

Mineral Content

Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz

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
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

-
Chemical Weathering

Erosion

Types of Erosion

-
Chemical Erosion, Glacier Erosion, Wind Erosion

Properties

Physical Properties

Hardness

76
1 7
👆🏻

Grain Size

Very fine-grained
Medium to Coarse Grained

Fracture

Uneven
-

Streak

Light to dark brown
White

Porosity

Less Porous
Less Porous

Luster

Vitreous
Grainy, Pearly and Vitreous

Compressive Strength

60.00 N/mm2175.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

2.46-2.862.6-2.7
0 8.4
👆🏻

Transparency

Transparent to Translucent
Opaque

Density

2.7-2.9 g/cm32.6-2.8 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.79 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant
Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

South Korea
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

Africa

Western Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Great Britain, Switzerland
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic

Others

-
-

Deposits in Western Continents

North America

-
Canada, USA

South America

-
-

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
-

Pseudotachylite vs Granodiorite 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 Granodiorite Reserves. Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite. 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 Granodiorite information and Pseudotachylite vs Granodiorite characteristics in the upcoming sections.

Pseudotachylite vs Granodiorite 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 Granodiorite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Pseudotachylite and Properties of Granodiorite. Learn more about Pseudotachylite vs Granodiorite in the next section. The interior uses of Pseudotachylite include Decorative aggregates, Entryways and Interior decoration whereas the interior uses of Granodiorite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Flooring, Homes, Hotels, Interior decoration and Stair treads. Due to some exceptional properties of Pseudotachylite and Granodiorite, 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 Granodiorite include As dimension stone.

More about Pseudotachylite and Granodiorite

Here you can know more about Pseudotachylite and Granodiorite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Pseudotachylite and Granodiorite consists of mineral content and compound content. The mineral content of Pseudotachylite includes Iron Oxides, Pyroxene, Quartz, Stishovite, Sulfides and mineral content of Granodiorite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Pseudotachylite vs Granodiorite, 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, Granodiorite is available in black, grey, orange, pink, white colors. Appearance of Pseudotachylite is Dull and Soft and that of Granodiorite is Veined or Pebbled. Properties of rock is another aspect for Pseudotachylite vs Granodiorite. The hardness of Pseudotachylite is 7 and that of Granodiorite is 6. The types of Pseudotachylite are Cataclastic rock whereas types of Granodiorite are Granodiorite. 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 Granodiorite is white. The specific heat capacity of Pseudotachylite is 0.92 kJ/Kg K and that of Granodiorite is 0.79 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 Granodiorite is heat resistant, wear resistant.