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Cataclasite and Amphibolite


Amphibolite and Cataclasite


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   
Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase   

History
  
  

Origin
Swiss Alps, Europe   
Unknown   

Discoverer
Michael Tellinger   
Alexandre Brongniart   

Etymology
From the Italian word cataclasi   
From Amphibole + -ite   

Class
Metamorphic Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture

Texture
Clastic   
Banded, Foliated, Massive   

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

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
Yes   

Appearance
Dull and Banded   
Foliated   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes   
Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Kitchens   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate   
As Dimension Stone, Building houses or walls, Cobblestones, Construction Aggregate, for Road Aggregate, Landscaping, Production of Glass and Ceramics, Roadstone   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts   
Artifacts, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork   
Cemetery Markers, Commemorative Tablets, Creating Artwork   

Types

Types
Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite   
Hornblendite   

Features
Easily splits into thin plates, Is one of the oldest rock   
Clasts are smooth to touch, Matrix variable, Surfaces are often shiny   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Not Yet Used   
Used   

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.   
Amphibolite is a coarse-grained metamorphic rock which forms by metamorphism of mafic igneous rocks like basalt and gabbro or from the metamorphism of clay-rich sedimentary rocks like marl or graywacke.   

Composition
  
  

Mineral Content
Albite, Apatite, Augite, Biotite, Calcite, Enstatite, Epidote, Feldspar, Micas, Muscovite or Illite, Pyroxene, Quartz   
Amphibole, Andalusite, Biotite, Calcite, Epidote, Garnet, Hornblade, Kyanite, Magnetite, Olivine, Plagioclase, Pyroxene, Staurolite, Wollastonite   

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

Transformation
  
  

Metamorphism
No   
No   

Types of Metamorphism
Not Applicable   
Not Applicable   

Weathering
Yes   
Yes   

Types of Weathering
Mechanical Weathering   
Chemical Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Coastal Erosion, Wind Erosion   
Chemical Erosion, Glacier Erosion, Sea Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
3-4   
6-7   

Grain Size
Fine Grained   
Medium to Coarse Grained   

Fracture
NA   
Irregular to Conchoidal   

Streak
Black   
White to Grey   

Porosity
Less Porous   
Less Porous   

Luster
Vitreous   
Vitreous to Dull   

Cleavage
Not Available   
Irregular   

Toughness
Not Available   
2.3   

Specific Gravity
2.1   
2.5   

Transparency
Translucent to Opaque   
Opaque   

Density
2.9-3.1 g/cm3   
2.85-3.07 g/cm3   

Thermal Properties
  
  

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

Reserves

Deposits in Eastern Continents
  
  

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

Africa
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa   
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda   

Europe
England, Finland, France, Spain, United Kingdom   
Germany, Greece, Iceland, Norway, Poland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Argentina, Colombia   
Brazil   

Deposits in Oceania Continent
  
  

Australia
Central Australia, Western Australia   
South Australia, Western Australia   

Summary >>
<< Reserves

All about Cataclasite and Amphibolite Properties

Know all about Cataclasite and Amphibolite properties here. All properties of rocks are important as they define the type of rock and its application. Cataclasite and Amphibolite belong to Metamorphic Rocks.Texture of Cataclasite is Clastic whereas that of Amphibolite is Banded, Foliated, Massive. Cataclasite appears Dull and Banded and Amphibolite appears Foliated. The luster of Cataclasite is vitreous while that of Amphibolite is vitreous to dull. Cataclasite is available in brown, green, white, yellow colors whereas Amphibolite is available in black, brown, green, grey colors. The commercial uses of Cataclasite are commemorative tablets, creating artwork and that of Amphibolite are cemetery markers, commemorative tablets, creating artwork.

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