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Slate and Claystone

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1 Definition
1.1 Definition
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism
Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay
1.2 History
1.2.1 Origin
England
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Old French esclate, from esclat (French éclat)
From English clay and stone as the rock contains more amount of clay
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
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Foliated
Clastic
2.2 Color
Black, Brown, Buff, Green, Light to Dark Grey, Purple, Red, Shades of Blue
Black, Blue, Brown, Green, Grey, Orange, Red, White, 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
Dull
Rough and Dull
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Bathrooms, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads
Decorative Aggregates, Entryways, Floor Tiles, Homes, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
As Facing Stone, Roof Tiles
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone
As a Sintering Agent in Steel Industry to process Iron Ore, 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, Monuments, Sculpture, Small Figurines
Artifacts, Sculpture, Small Figurines
3.4 Other Uses
3.4.1 Commercial Uses
Blackboards, Commemorative Tablets, Laboratory bench tops, Standard material for the bed of Billiard table, Standard material for the beds of Pool and Snooker table, Tombstones, Used in aquariums, Writing Slates
Pottery
4 Types
4.1 Types
Not Available
Not Available
4.2 Features
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock
4.3 Archaeological Significance
4.3.1 Monuments
Used
Not Yet Used
4.3.2 Famous Monuments
Data Not Available
Not Applicable
4.3.3 Sculpture
Used
Used
4.3.4 Famous Sculptures
Data Not Available
Data Not Available
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Used
4.3.7 Figurines
Used
Used
4.4 Fossils
Absent
Present
5 Formation
5.1 Formation
Slate is a low grade metamorphic rock that is generally formed by metamorphosis of mudstone or shale, under relatively low pressure and temperature conditions.
Claystone is generally quite soft, but can be hard and brittle. It forms due to weathering of mudstone.
5.2 Composition
5.2.1 Mineral Content
Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz
5.2.2 Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide
Aluminium Oxide, Ca, NaCl, CaO, Iron(III) Oxide, MgO, Silicon Dioxide
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
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
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, Mechanical 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
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion
Coastal Erosion, Water Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
3-4
3.5-4
6.1.2 Grain Size
Very fine-grained
Fine Grained
6.1.3 Fracture
Splintery
Not Available
6.1.4 Streak
Light to dark brown
White
6.1.5 Porosity
Less Porous
Very Less Porous
6.1.6 Luster
Dull
Dull
6.1.7 Compressive Strength
What Is Flint
30.00 N/mm2
Rank: 30 (Overall)
Not Available
Rank: N/A (Overall)
What Is Obsidian
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6.1.8 Cleavage
Slaty
Perfect
6.1.9 Toughness
1.2
2.6
6.1.10 Specific Gravity
2.65-2.8
0
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
2.6-2.8 g/cm3
2-2.9 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
What Is Banded ..
0.76 kJ/Kg K
Rank: 17 (Overall)
0.92 kJ/Kg K
Rank: 10 (Overall)
What Is Granulite
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6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
China, India, Turkey
Bangladesh, China, India, Russia
7.1.2 Africa
Not Yet Found
Ethiopia, Kenya, Morocco, South Africa, Tanzania
7.1.3 Europe
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
7.1.4 Others
Arctic
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
USA
Canada, Panama, USA
7.2.2 South America
Brazil
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
7.3 Deposits in Oceania Continent
7.3.1 Australia
Not Yet Found
New South Wales, New Zealand, Queensland, Victoria, Western Australia

All about Slate and Claystone Properties

Know all about Slate and Claystone properties here. All properties of rocks are important as they define the type of rock and its application. Slate belongs to Metamorphic Rocks while Claystone belongs to Sedimentary Rocks.Texture of Slate is Foliated whereas that of Claystone is Clastic. Slate appears Dull and Claystone appears Rough and Dull. The luster of Slate and Claystone is dull. Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors whereas Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates and that of Claystone are pottery.