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
History
Origin
Swiss Alps, Europe
Discoverer
Michael Tellinger
Etymology
From the Italian word cataclasi
Class
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Family
Group
-
Other Categories
Fine Grained Rock, Opaque Rock
Texture
Clastic
Color
Brown, Green, White, Yellow
Maintenance
Less
Durability
Durable
Water Resistant
✔
✘
81% - Metamorphic Rocks Rocks have it !
Scratch Resistant
✔
✘
65% - Metamorphic Rocks Rocks
Stain Resistant
✔
✘
42% - Metamorphic Rocks Rocks
Wind Resistant
✔
✘
19% - Metamorphic Rocks Rocks
Acid Resistant
✔
✘
15% - Metamorphic Rocks Rocks
Appearance
Dull and Banded
Architecture
Interior Uses
Decorative Aggregates, Homes
Exterior Uses
As Building Stone, As Facing Stone, Paving Stone
Other Architectural Uses
Curbing
Industry
Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
Medical Industry
-
Antiquity Uses
Artifacts
Other Uses
Commercial Uses
Commemorative Tablets, Creating Artwork
Types
Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite
Features
Easily splits into thin plates, Is one of the oldest rock
Archaeological Significance
Monuments
-
Famous Monuments
-
Sculpture
-
Famous Sculptures
-
Pictographs
-
Petroglyphs
-
Figurines
-
Fossils
Absent
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.
Composition
Mineral Content
Albite, Apatite, Augite, Biotite, Calcite, Enstatite, Epidote, Feldspar, Micas, Muscovite or Illite, Pyroxene, Quartz
Compound Content
Silicon Dioxide
Transformation
Metamorphism
✔
✘
50% - Metamorphic Rocks Rocks
Types of Metamorphism
-
Weathering
✔
✘
65% - Metamorphic Rocks Rocks have it !
Types of Weathering
Mechanical Weathering
Erosion
✔
✘
77% - Metamorphic Rocks Rocks have it !
Types of Erosion
Coastal Erosion, Wind Erosion
Physical Properties
Hardness
3-4
1
7
👆🏻
Grain Size
Fine Grained
Fracture
-
Streak
Black
Porosity
Less Porous
Luster
Vitreous
Compressive Strength
50.00 N/mm2
Rank: 39 (Overall)
0.15
450
👆🏻
Cleavage
-
Toughness
-
Specific Gravity
2.1
0
8.4
👆🏻
Transparency
Translucent to Opaque
Density
2.9-3.1 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.84 kJ/Kg K
Rank: 15 (Overall)
0.14
3.2
👆🏻
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
Deposits in Eastern Continents
Asia
China, India, Russia, Saudi Arabia, South Korea
Africa
Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa
Europe
England, Finland, France, Spain, United Kingdom
Others
-
Deposits in Western Continents
North America
Canada, USA
South America
Argentina, Colombia
Deposits in Oceania Continent
Australia
Central Australia, Western Australia