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Oil shale
Oil shale

Epidosite
Epidosite



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Oil shale
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Epidosite

Oil shale vs Epidosite

Definition

Definition

Oil Shale is a fine-grained sedimentary rock from which oil is extracted
Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt

History

Origin

-
-

Discoverer

Unknown
Unknown

Etymology

From Old English scealu in its base sense of thing that divides or separate
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Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Volcanic

Other Categories

Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Texture

Texture

Splintery
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

Black, Brown, Buff, Green, Grey, Red, Yellow
Black, Brown, Light to Dark Grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Muddy
Dull and Soft

Uses

Architecture

Interior Uses

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Decorative Aggregates, Floor Tiles, Homes, Hotels, Interior Decoration

Exterior Uses

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As Facing Stone, Garden Decoration, Office Buildings, Paving Stone

Other Architectural Uses

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Curbing

Industry

Construction Industry

Cement Manufacture, Construction Aggregate, for Road Aggregate, Serves as an Oil and Gas Reservoir rock
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

An Oil and Gas Reservoir
Commemorative Tablets, Creating Artwork

Types

Types

Carbonate-rich Shale, Siliceous Shale and Cannel Shale
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite

Features

Easily splits into thin plates, Generally rough to touch, Is one of the oldest rock, Very fine grained rock
Has High structural resistance against erosion and climate, Very fine grained rock

Archaeological Significance

Monuments

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Famous Monuments

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Sculpture

-
-

Famous Sculptures

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-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Present
Absent

Formation

Formation

Oil Shale forms on the beds of seas and lakes and its formation starts with the organic debris settling and accumulating at the bottom of a lake or sea which are then transformed into rock with the help of high temperature and pressure.
Epidosite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content

Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides
Olivine, Plagioclase, Pyroxene

Compound Content

Ca, Fe, Mg, Silicon Dioxide, Sodium
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

Types of Metamorphism

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Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Sea Erosion, Water Erosion
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Properties

Physical Properties

Hardness

2-36
1 7
👆🏻

Grain Size

Very fine-grained
Fine to Coarse Grained

Fracture

-
Conchoidal

Streak

White
White to Grey

Porosity

Highly Porous
Less Porous

Luster

Dull
-

Compressive Strength

-160.00 N/mm2
0.15 450
👆🏻

Cleavage

Slaty
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Toughness

2.6
2.3

Specific Gravity

2.2-2.82.8-3
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.4-2.8 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.39 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

Bangladesh, China, India, Israel, Jordan, Russia, Syria, Thailand, Turkey
India, Russia

Africa

Ethiopia, Kenya, Morocco, South Africa, Tanzania
South Africa

Europe

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Sweden, Switzerland
Iceland

Others

Greenland
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Deposits in Western Continents

North America

Canada, USA
Canada, USA

South America

Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
Brazil

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland, Victoria, Western Australia
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Oil shale vs Epidosite 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 Oil shale and Epidosite Reserves. Oil Shale is a fine-grained sedimentary rock from which oil is extracted. Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt. 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 Oil shale vs Epidosite information and Oil shale vs Epidosite characteristics in the upcoming sections.

Oil shale vs Epidosite 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. Oil shale vs Epidosite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Oil shale and Properties of Epidosite. Learn more about Oil shale vs Epidosite in the next section. The interior uses of Oil shale include whereas the interior uses of Epidosite include Decorative aggregates, Floor tiles, Homes, Hotels and Interior decoration. Due to some exceptional properties of Oil shale and Epidosite, they have various applications in construction industry. The uses of Oil shale in construction industry include Cement manufacture, Construction aggregate, For road aggregate, Serves as an oil and gas reservoir rock and that of Epidosite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Oil shale and Epidosite

Here you can know more about Oil shale and Epidosite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Oil shale and Epidosite consists of mineral content and compound content. The mineral content of Oil shale includes Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides and mineral content of Epidosite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Sedimentary Rocks. When we have to compare Oil shale vs Epidosite, the texture, color and appearance plays an important role in determining the type of rock. Oil shale is available in black, brown, buff, green, grey, red, yellow colors whereas, Epidosite is available in black, brown, light to dark grey colors. Appearance of Oil shale is Muddy and that of Epidosite is Dull and Soft. Properties of rock is another aspect for Oil shale vs Epidosite. The hardness of Oil shale is 2-3 and that of Epidosite is 6. The types of Oil shale are Carbonate-rich Shale, Siliceous Shale and Cannel Shale whereas types of Epidosite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Oil shale is white while that of Epidosite is white to grey. The specific heat capacity of Oil shale is 0.39 kJ/Kg K and that of Epidosite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Oil shale is heat resistant, impact resistant whereas Epidosite is heat resistant, pressure resistant, wear resistant.