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Cataclasite
Cataclasite

Tuff
Tuff



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Cataclasite
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Tuff

Cataclasite vs Tuff

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Definition

Definition

Cataclasite is a type of cataclastic rock that is formed by fracturing and comminution during faulting. It is normally cohesive and non-foliated, consisting of angular clasts in a finer-grained matrix
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption

History

Origin

Swiss Alps, Europe
Italy

Discoverer

Michael Tellinger
Unknown

Etymology

From the Italian word cataclasi
From a Latin word tophous then in Italian tufo and finally tuff

Class

Metamorphic Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Volcanic

Other Categories

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

Texture

Texture

Clastic
Clastic, Pyroclastic

Color

Brown, Green, White, Yellow
Brown, Grey, Yellow

Maintenance

Less
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Banded
Dull, Vesicular and Foilated

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
Building houses or walls, Construction Aggregate

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Commemorative Tablets, Creating Artwork
Creating Artwork

Types

Types

Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite
Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite.

Features

Easily splits into thin plates, Is one of the oldest rock
Always found as volcanic pipes over deep continental crust

Archaeological Significance

Monuments

-
-

Famous Monuments

-
Easter Island in the Polynesian Triangle, Pacific Ocean

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Cataclasiste rocks mainly form by pressure deep under the Earth's surface, from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
Tuff is formed when large masses of ash and sand which are mixed with hot gases are ejected by a volcano and avalanche rapidly down its slopes.

Composition

Mineral Content

Albite, Apatite, Augite, Biotite, Calcite, Enstatite, Epidote, Feldspar, Micas, Muscovite or Illite, Pyroxene, Quartz
Calcite, Chlorite

Compound Content

Silicon Dioxide
Hydrogen Sulfide, Sulfur Dioxide

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Coastal Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

3-44-6
1 7
👆🏻

Grain Size

Fine Grained
Fine Grained

Fracture

-
Uneven

Streak

Black
White

Porosity

Less Porous
Highly Porous

Luster

Vitreous
Vitreous to Dull

Compressive Strength

50.00 N/mm2243.80 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

2.12.73
0 8.4
👆🏻

Transparency

Translucent to Opaque
Opaque

Density

2.9-3.1 g/cm31-1.8 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.20 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Russia, Saudi Arabia, South Korea
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen

Africa

Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa
Cameroon, Cape Verde, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Uganda

Europe

England, Finland, France, Spain, United Kingdom
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom

Others

-
Antarctica, Hawaii Islands

Deposits in Western Continents

North America

Canada, USA
Canada, Costa Rica, Panama, USA

South America

Argentina, Colombia
Argentina, Bolivia, Brazil, Chile, Ecuador, Paraguay

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
Central Australia, Western Australia

Cataclasite vs Tuff 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 Cataclasite and Tuff Reserves. Cataclasite is a type of cataclastic rock that is formed by fracturing and comminution during faulting. It is normally cohesive and non-foliated, consisting of angular clasts in a finer-grained matrix. Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. 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 Cataclasite vs Tuff information and Cataclasite vs Tuff characteristics in the upcoming sections.

Cataclasite vs Tuff 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. Cataclasite vs Tuff characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Cataclasite and Properties of Tuff. Learn more about Cataclasite vs Tuff in the next section. The interior uses of Cataclasite include Decorative aggregates and Homes whereas the interior uses of Tuff include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Cataclasite and Tuff, they have various applications in construction industry. The uses of Cataclasite in construction industry include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate and that of Tuff include Building houses or walls, Construction aggregate.

More about Cataclasite and Tuff

Here you can know more about Cataclasite and Tuff. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Cataclasite and Tuff consists of mineral content and compound content. The mineral content of Cataclasite includes Albite, Apatite, Augite, Biotite, Calcite, Enstatite, Epidote, Feldspar, Micas, Muscovite or Illite, Pyroxene, Quartz and mineral content of Tuff includes Calcite, Chlorite. You can also check out the list of all Metamorphic Rocks. When we have to compare Cataclasite vs Tuff, the texture, color and appearance plays an important role in determining the type of rock. Cataclasite is available in brown, green, white, yellow colors whereas, Tuff is available in brown, grey, yellow colors. Appearance of Cataclasite is Dull and Banded and that of Tuff is Dull, Vesicular and Foilated. Properties of rock is another aspect for Cataclasite vs Tuff. The hardness of Cataclasite is 3-4 and that of Tuff is 4-6. The types of Cataclasite are Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite whereas types of Tuff are Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite.. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Cataclasite is black while that of Tuff is white. The specific heat capacity of Cataclasite is 0.84 kJ/Kg K and that of Tuff is 0.20 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Cataclasite is heat resistant, impact resistant, pressure resistant whereas Tuff is heat resistant, impact resistant, pressure resistant, wear resistant.