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Greenschist
Greenschist

Shale
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Greenschist vs Shale

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1 Definition
1.1 Definition
Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine which are green in color
From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,
1.4 Class
Metamorphic Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Foliated, Platy
Clastic, Splintery
2.2 Color
Dark Greenish - Grey, Green
Black, Brown, Buff, Green, Grey, Red, Yellow
2.3 Maintenance
Less
More
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Metamorphic Rocks Rocks have it !
59% Sedimentary Rocks Rocks have it !
2.4.2 Scratch Resistant
65% Metamorphic Rocks Rocks have it !
62% Sedimentary Rocks Rocks have it !
2.4.3 Stain Resistant
42% Metamorphic Rocks Rocks have it !
43% Sedimentary Rocks Rocks have it !
2.4.4 Wind Resistant
19% Metamorphic Rocks Rocks have it !
38% Sedimentary Rocks Rocks have it !
2.4.5 Acid Resistant
15% Metamorphic Rocks Rocks have it !
22% Sedimentary Rocks Rocks have it !
2.5 Appearance
Layered and Shiny
Muddy
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Homes, Interior Decoration
Decorative Aggregates, Homes, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
As Building Stone, As Facing Stone, Office Buildings
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Cutting Tool, for Road Aggregate, Roadstone
Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts
Artifacts, Sculpture
3.4 Other Uses
3.4.1 Commercial Uses
Blackboards, Manufacture of tools, Writing Slates
Creating Artwork, Pottery
4 Types
4.1 Types
Not Available
Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale
4.2 Features
Easily splits into thin plates, Smooth to touch
Easily splits into thin plates, Generally rough to touch, Very fine grained rock
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Used
4.3.2 Famous Monuments
Not Applicable
Jantar Mantar in India
4.3.3 Sculpture
Not Yet Used
Used
4.3.4 Famous Sculptures
Not Applicable
Data Not Available
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Used
4.3.7 Figurines
Not Yet Used
Used
4.4 Fossils
Absent
Present
5 Formation
5.1 Formation
Greenschist is medium grade metamorphic rock, formed by the metamorphosis of mudstone or shale, or some types of igneous rock, when it is subjected to higher temperatures and pressures.
Shale forms when very fine-grained clay particles are deposited in water which settle at the bottom of water bodies. They are later compacted hence forming shale.
5.2 Composition
5.2.1 Mineral Content
Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Serpentine, Sillimanite, Staurolite, Talc
Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides
5.2.2 Compound Content
CaO, Carbon Dioxide, MgO
Ca, Fe, Mg, Silicon Dioxide, Sodium
5.3 Transformation
5.3.1 Metamorphism
50% Metamorphic Rocks Rocks have it !
19% Sedimentary Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
Not Applicable
5.3.3 Weathering
65% Metamorphic Rocks Rocks have it !
78% Sedimentary Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
77% Metamorphic Rocks Rocks have it !
86% Sedimentary Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
3.5-4
3
6.1.2 Grain Size
Medium to Fine Coarse Grained
Very fine-grained
6.1.3 Fracture
Conchoidal
Not Available
6.1.4 Streak
White
White
6.1.5 Porosity
Highly Porous
Highly Porous
6.1.6 Luster
Shiny
Dull
6.1.7 Compressive Strength
Flint
Not Available
Rank: N/A (Overall)
95.00 N/mm2
Rank: 20 (Overall)
Obsidian
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6.1.8 Cleavage
Slaty
Slaty
6.1.9 Toughness
1.5
2.6
6.1.10 Specific Gravity
2.5-2.9
2.2-2.8
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
2.8-2.9 g/cm3
2.4-2.8 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
Not Available
Rank: N/A (Overall)
0.39 kJ/Kg K
Rank: 23 (Overall)
Granulite
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6.2.2 Resistance
Impact Resistant, Pressure Resistant, Water Resistant
Heat Resistant, Impact Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
Bangladesh, China, India, Russia
7.1.2 Africa
Egypt, Ethiopia, Morocco, Nigeria, South Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
7.1.3 Europe
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
7.1.4 Others
Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, Costa Rica, Cuba, Mexico, Panama, USA
USA
7.2.2 South America
Brazil, Colombia, Guyana
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, New Zealand, Queensland
New South Wales, New Zealand, Queensland, Victoria, Western Australia

Greenschist vs Shale 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 Greenschist and Shale Reserves. Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism. Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. 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 Greenschist vs Shale information and Greenschist vs Shale characteristics in the upcoming sections.

Greenschist vs Shale 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. Greenschist vs Shale characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Greenschist and Properties of Shale. Learn more about Greenschist vs Shale in the next section. The interior uses of Greenschist include Bathrooms, Countertops, Decorative aggregates, Entryways, Homes and Interior decoration whereas the interior uses of Shale include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Greenschist and Shale, they have various applications in construction industry. The uses of Greenschist in construction industry include As dimension stone, Building houses or walls, Cement manufacture, Cutting tool, For road aggregate, Roadstone and that of Shale include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar.

More about Greenschist and Shale

Here you can know more about Greenschist and Shale. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Greenschist and Shale consists of mineral content and compound content. The mineral content of Greenschist includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Serpentine, Sillimanite, Staurolite, Talc and mineral content of Shale includes Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides. You can also check out the list of all Metamorphic Rocks. When we have to compare Greenschist vs Shale, the texture, color and appearance plays an important role in determining the type of rock. Greenschist is available in dark greenish - grey, green colors whereas, Shale is available in black, brown, buff, green, grey, red, yellow colors. Appearance of Greenschist is Layered and Shiny and that of Shale is Muddy. Properties of rock is another aspect for Greenschist vs Shale. The hardness of Greenschist is 3.5-4 and that of Shale is 3. The types of Greenschist are Not Available whereas types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Greenschist and Shale is white. The specific heat capacity of Greenschist is Not Available and that of Shale is 0.39 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Greenschist is impact resistant, pressure resistant, water resistant whereas Shale is heat resistant, impact resistant.