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Oil shale
Oil shale

Diabase
Diabase



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Oil shale
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Diabase

Oil shale vs Diabase

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Definition

Definition

Oil Shale is a fine-grained sedimentary rock from which oil is extracted
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar

History

Origin

-
Germany

Discoverer

Unknown
Christian Leopold von Buch

Etymology

From Old English scealu in its base sense of thing that divides or separate
From Greek di + base

Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Hard Rock

Family

Group

-
Volcanic

Other Categories

Fine Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Texture

Splintery
Aphanitic, Granular

Color

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

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Muddy
Vesicular

Uses

Architecture

Interior Uses

-
Countertops, Decorative Aggregates, Homes, Interior Decoration, Kitchens

Exterior Uses

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

Other Architectural Uses

-
Curbing

Industry

Construction Industry

Cement Manufacture, Construction Aggregate, for Road Aggregate, Serves as an Oil and Gas Reservoir rock
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

An Oil and Gas Reservoir
An Oil and Gas Reservoir, Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones

Types

Types

Carbonate-rich Shale, Siliceous Shale and Cannel Shale
Dolerite

Features

Easily splits into thin plates, Generally rough to touch, Is one of the oldest rock, Very fine grained rock
Smooth to touch

Archaeological Significance

Monuments

-
-

Famous Monuments

-
Stonehenge in English county of Wiltshire

Sculpture

-
-

Famous Sculptures

-
-

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.
Diabase forms when molten igneous rock is squeezed up into a vertical crack in other rocks, the crack is usually forced apart and the molten rock cools in the space to form a tabular igneous intrusion cutting across the surrounding rocks and is known as a dike.

Composition

Mineral Content

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

Compound Content

Ca, Fe, Mg, Silicon Dioxide, Sodium
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

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

Erosion

Types of Erosion

Chemical Erosion, Sea Erosion, Water Erosion
Chemical Erosion, Coastal Erosion, Water Erosion

Properties

Physical Properties

Hardness

2-37
1 7
👆🏻

Grain Size

Very fine-grained
Fine to Medium Grained

Fracture

-
Conchoidal

Streak

White
Black

Porosity

Highly Porous
Highly Porous

Luster

Dull
-

Compressive Strength

-225.00 N/mm2
0.15 450
👆🏻

Cleavage

Slaty
-

Toughness

2.6
1.6

Specific Gravity

2.2-2.82.86-2.87
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.4-2.8 g/cm32.7-3.3 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, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

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

Africa

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

Europe

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

Others

Greenland
Antarctica, Greenland

Deposits in Western Continents

North America

Canada, USA
Canada, USA

South America

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

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland, Victoria, Western Australia
Central Australia, New Zealand, Queensland, Western Australia

Oil shale vs Diabase 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 Diabase Reserves. Oil Shale is a fine-grained sedimentary rock from which oil is extracted. Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar. 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 Diabase information and Oil shale vs Diabase characteristics in the upcoming sections.

Oil shale vs Diabase 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 Diabase characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Oil shale and Properties of Diabase. Learn more about Oil shale vs Diabase in the next section. The interior uses of Oil shale include whereas the interior uses of Diabase include Countertops, Decorative aggregates, Homes, Interior decoration and Kitchens. Due to some exceptional properties of Oil shale and Diabase, 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 Diabase include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate.

More about Oil shale and Diabase

Here you can know more about Oil shale and Diabase. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Oil shale and Diabase 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 Diabase includes Augite, Chlorite, Olivine, Plagioclase, Pyroxene, Pyrrhotite, Serpentine. You can also check out the list of all Sedimentary Rocks. When we have to compare Oil shale vs Diabase, 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, Diabase is available in dark grey to black colors. Appearance of Oil shale is Muddy and that of Diabase is Vesicular. Properties of rock is another aspect for Oil shale vs Diabase. The hardness of Oil shale is 2-3 and that of Diabase is 7. The types of Oil shale are Carbonate-rich Shale, Siliceous Shale and Cannel Shale whereas types of Diabase are Dolerite. 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 Diabase is black. The specific heat capacity of Oil shale is 0.39 kJ/Kg K and that of Diabase 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 Diabase is heat resistant, impact resistant, pressure resistant, wear resistant.