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Rhyolite vs Cataclasite


Cataclasite vs Rhyolite


Definition

Definition
Rhyolite is a fine-grained igneous rock which is rich in silica  
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
North America  
Swiss Alps, Europe  

Discoverer
Ferdinand von Richthofen  
Michael Tellinger  

Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone  
From the Italian word cataclasi  

Class
Igneous Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
Volcanic  
-  

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

Texture

Texture
Aphanitic, Glassy, Porphyritic  
Clastic  

Color
Grey, White, Light Black  
Brown, Green, White, Yellow  

Maintenance
More  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
Yes  
No  

Acid Resistant
Yes  
No  

Appearance
Banded  
Dull and Banded  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes, Hotels, Interior Decoration, Kitchens  
Decorative Aggregates, Homes  

Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Office Buildings  
As Building Stone, As Facing Stone, Paving Stone  

Other Architectural Uses
-  
Curbing  

Industry
  
  

Construction Industry
Arrowheads, As Dimension Stone, Building houses or walls, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives  
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts  

Other Uses
  
  

Commercial Uses
Gemstone, Laboratory bench tops, Jewelry  
Commemorative Tablets, Creating Artwork  

Types

Types
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.  
Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite  

Features
Acidic in nature, Available in lots of colors  
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
Rhyolite is a felsic extrusive rock and due to its high silica content, rhyolite lava is very viscous and is volcanic equivalent of granite.  
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
Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz  
Albite, Apatite, Augite, Biotite, Calcite, Enstatite, Epidote, Feldspar, Micas, Muscovite or Illite, Pyroxene, Quartz  

Compound Content
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide, Sodium  
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
Chemical Erosion, Sea Erosion, Water Erosion, Wind Erosion  
Coastal Erosion, Wind Erosion  

Properties

Physical Properties
  
  

Hardness
6-7  
3-4  

Grain Size
Large and Coarse Grained  
Fine Grained  

Fracture
Sub-conchoidal  
-  

Streak
-  
Black  

Porosity
Highly Porous  
Less Porous  

Luster
Earthy  
Vitreous  

Compressive Strength
140.00 N/mm2  
23
50.00 N/mm2  
39

Cleavage
-  
-  

Toughness
2  
-  

Specific Gravity
2.65-2.67  
2.1  

Transparency
Opaque  
Translucent to Opaque  

Density
2.4-2.6 g/cm3  
2.9-3.1 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.71 kJ/Kg K  
23
0.84 kJ/Kg K  
15

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

Reserves

Deposits in Eastern Continents
  
  

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

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa  
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa  

Europe
Germany, Iceland, Ireland, Italy, Spain  
England, Finland, France, Spain, United Kingdom  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, USA  

South America
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela  
Argentina, Colombia  

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland, Western Australia  
Central Australia, Western Australia  

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Rhyolite 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 Rhyolite and Cataclasite Reserves. Rhyolite is a fine-grained igneous rock which is rich in silica. 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 Rhyolite vs Cataclasite information and Rhyolite vs Cataclasite characteristics in the upcoming sections.

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

More about Rhyolite and Cataclasite

Here you can know more about Rhyolite and Cataclasite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Rhyolite and Cataclasite consists of mineral content and compound content. The mineral content of Rhyolite includes Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz 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 Igneous Rocks. When we have to compare Rhyolite vs Cataclasite, the texture, color and appearance plays an important role in determining the type of rock. Rhyolite is available in grey, white, light black colors whereas, Cataclasite is available in brown, green, white, yellow colors. Appearance of Rhyolite is Banded and that of Cataclasite is Dull and Banded. Properties of rock is another aspect for Rhyolite vs Cataclasite. The hardness of Rhyolite is 6-7 and that of Cataclasite is 3-4. The types of Rhyolite are Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks. 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 Rhyolite is while that of Cataclasite is black. The specific heat capacity of Rhyolite is 0.71 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.Rhyolite is heat resistant, wear resistant whereas Cataclasite is heat resistant, impact resistant, pressure resistant.

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