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Greywacke vs Suevite


Suevite vs Greywacke


Definition

Definition
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay  
During the impact melted material forming a breccia containing glass and crystal or lithic fragments together form Suevite rock.  

History
  
  

Origin
-  
Canada, Germany  

Discoverer
Unknown  
Unknown  

Etymology
From German Grauwacke, from grau grey + wacke  
No etymologies found  

Class
Sedimentary Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
-  
-  

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

Texture

Texture
Clastic  
Earthy  

Color
Beige, Black, Brown, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow  
Black, Brown, Green, Grey, Pink  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
No  

Wind Resistant
Yes  
No  

Acid Resistant
No  
No  

Appearance
Dull  
Banded  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Floor Tiles, Flooring, Homes, Interior Decoration  
Decorative Aggregates, Homes, Interior Decoration  

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

Other Architectural Uses
Curbing, Whetstones  
Curbing  

Industry
  
  

Construction Industry
Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Raw material for the manufacture of mortar  
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Sculpture, Small Figurines  
Artifacts, Monuments, Sculpture  

Other Uses
  
  

Commercial Uses
As armour rock for sea walls, Petroleum reservoirs, Sea Defence, Tombstones  
As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Source of Magnesia (MgO)  

Types

Types
Greywacke  
Phyllosilicates, Calcite  

Features
Available in Lots of Colors and Patterns, Generally rough to touch, Non-vesicular, Veined  
Host Rock for Lead  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Present  
Absent  

Formation

Formation
Graywacke rock is a type of sedimentary rock, which is also known as immature sandstone, which is indurated, dark grey and consisting of poorly sorted angular to sub-angular, sand-sized grains.  
Suevite is a metamorphic rock consisting partly of melted material, typically forming a breccia containing glass and crystal or lithic fragments, formed during an impact event.   

Composition
  
  

Mineral Content
Augite, Biotite, Calcite, Chlorite, Clay, Clay Minerals, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz  
Coesite, Quartz, Stishovite  

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

Transformation
  
  

Metamorphism
No  
Yes  

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

Weathering
Yes  
No  

Types of Weathering
Biological Weathering, Chemical Weathering  
-  

Erosion
Yes  
No  

Types of Erosion
Coastal Erosion, Sea Erosion, Wind Erosion  
-  

Properties

Physical Properties
  
  

Hardness
6-7  
5.5  

Grain Size
Angular and Fine  
Coarse Grained  

Fracture
Conchoidal  
Uneven  

Streak
White  
Light to dark brown  

Porosity
Highly Porous  
Less Porous  

Luster
Dull  
Earthy  

Compressive Strength
120.00 N/mm2  
26
65.00 N/mm2  
36

Cleavage
Perfect  
-  

Toughness
2.6  
-  

Specific Gravity
2.2-2.8  
2.86  

Transparency
Opaque  
Opaque  

Density
2.6-2.61 g/cm3  
2.8-2.9 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.71 kJ/Kg K  
23
0.92 kJ/Kg K  
10

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant  
Heat Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan  
-  

Africa
Namibia, Nigeria, South Africa  
-  

Europe
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom  
England, France, Germany, Great Britain, Netherlands, Sweden, Switzerland, United Kingdom  

Others
Greenland  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
-  

South America
Brazil  
-  

Deposits in Oceania Continent
  
  

Australia
New South Wales, New Zealand  
-  

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Greywacke vs Suevite 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 Greywacke and Suevite Reserves. Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. During the impact melted material forming a breccia containing glass and crystal or lithic fragments together form Suevite rock.. 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 Greywacke vs Suevite information and Greywacke vs Suevite characteristics in the upcoming sections.

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Greywacke vs Suevite 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. Greywacke vs Suevite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Greywacke and Properties of Suevite. Learn more about Greywacke vs Suevite in the next section. The interior uses of Greywacke include Decorative aggregates, Floor tiles, Flooring, Homes and Interior decoration whereas the interior uses of Suevite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Greywacke and Suevite, they have various applications in construction industry. The uses of Greywacke in construction industry include Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate, Raw material for the manufacture of mortar and that of Suevite include As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Greywacke and Suevite

Here you can know more about Greywacke and Suevite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Greywacke and Suevite consists of mineral content and compound content. The mineral content of Greywacke includes Augite, Biotite, Calcite, Chlorite, Clay, Clay Minerals, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz and mineral content of Suevite includes Coesite, Quartz, Stishovite. You can also check out the list of all Sedimentary Rocks. When we have to compare Greywacke vs Suevite, the texture, color and appearance plays an important role in determining the type of rock. Greywacke is available in beige, black, brown, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas, Suevite is available in black, brown, green, grey, pink colors. Appearance of Greywacke is Dull and that of Suevite is Banded. Properties of rock is another aspect for Greywacke vs Suevite. The hardness of Greywacke is 6-7 and that of Suevite is 5.5. The types of Greywacke are Greywacke whereas types of Suevite are Phyllosilicates, Calcite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Greywacke is white while that of Suevite is light to dark brown. The specific heat capacity of Greywacke is 0.71 kJ/Kg K and that of Suevite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Greywacke is heat resistant, impact resistant, pressure resistant whereas Suevite is heat resistant.

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