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Slate vs Cataclasite


Cataclasite vs Slate


Definition

Definition
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism  
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  

History
  
  

Origin
England  
Swiss Alps, Europe  

Discoverer
Abraham Gottlob Werner  
Michael Tellinger  

Etymology
From Old French esclate, from esclat (French éclat)  
From the Italian word cataclasi  

Class
Metamorphic Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
-  
-  

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

Texture

Texture
Foliated  
Clastic  

Color
Black, Brown, Buff, Green, Light to Dark Grey, Purple, Red, Shades of Blue  
Brown, Green, White, Yellow  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Dull  
Dull and Banded  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

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

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines  
Artifacts  

Other Uses
  
  

Commercial Uses
Blackboards, Commemorative Tablets, Laboratory bench tops, Standard material for the bed of Billiard table, Standard material for the beds of Pool and Snooker table, Tombstones, Used in aquariums, Writing Slates  
Commemorative Tablets, Creating Artwork  

Types

Types
Phyllite, Schist, and Slate  
Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite  

Features
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock  
Easily splits into thin plates, Is one of the oldest rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Slate is a low grade metamorphic rock that is generally formed by metamorphosis of mudstone or shale, under relatively low pressure and temperature conditions.  
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.  

Composition
  
  

Mineral Content
Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon  
Albite, Apatite, Augite, Biotite, Calcite, Enstatite, Epidote, Feldspar, Micas, Muscovite or Illite, Pyroxene, Quartz  

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide  
Silicon Dioxide  

Transformation
  
  

Metamorphism
Yes  
No  

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism  
-  

Weathering
Yes  
Yes  

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering  
Mechanical Weathering  

Erosion
Yes  
Yes  

Types of Erosion
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion  
Coastal Erosion, Wind Erosion  

Properties

Physical Properties
  
  

Hardness
3-4  
3-4  

Grain Size
Very fine-grained  
Fine Grained  

Fracture
Splintery  
-  

Streak
Light to dark brown  
Black  

Porosity
Less Porous  
Less Porous  

Luster
Dull  
Vitreous  

Compressive Strength
30.00 N/mm2  
99+
50.00 N/mm2  
39

Cleavage
Slaty  
-  

Toughness
1.2  
-  

Specific Gravity
2.65-2.8  
2.1  

Transparency
Opaque  
Translucent to Opaque  

Density
2.6-2.8 g/cm3  
2.9-3.1 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.76 kJ/Kg K  
19
0.84 kJ/Kg K  
15

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Turkey  
China, India, Russia, Saudi Arabia, South Korea  

Africa
-  
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa  

Europe
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom  
England, Finland, France, Spain, United Kingdom  

Others
Arctic  
-  

Deposits in Western Continents
  
  

North America
USA  
Canada, USA  

South America
Brazil  
Argentina, Colombia  

Deposits in Oceania Continent
  
  

Australia
-  
Central Australia, Western Australia  

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Slate vs Cataclasite 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 Slate and Cataclasite Reserves. Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. 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. 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 Slate vs Cataclasite information and Slate vs Cataclasite characteristics in the upcoming sections.

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

More about Slate and Cataclasite

Here you can know more about Slate and Cataclasite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Slate and Cataclasite consists of mineral content and compound content. The mineral content of Slate includes Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon and mineral content of Cataclasite includes Albite, Apatite, Augite, Biotite, Calcite, Enstatite, Epidote, Feldspar, Micas, Muscovite or Illite, Pyroxene, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Slate vs Cataclasite, the texture, color and appearance plays an important role in determining the type of rock. Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors whereas, Cataclasite is available in brown, green, white, yellow colors. Appearance of Slate is Dull and that of Cataclasite is Dull and Banded. Properties of rock is another aspect for Slate vs Cataclasite. Hardness of Slate and Cataclasite is 3-4. The types of Slate are Phyllite, Schist, and Slate whereas types of Cataclasite are Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Slate is light to dark brown while that of Cataclasite is black. The specific heat capacity of Slate is 0.76 kJ/Kg K and that of Cataclasite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Slate is heat resistant, impact resistant, pressure resistant, wear resistant whereas Cataclasite is heat resistant, impact resistant, pressure resistant.

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