Kimberlite

Oil shale

Kimberlite vs Oil shale

Kimberlite

Oil shale

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Definition

Kimberlite is a rare, blue-tinged, coarse-grained intrusive igneous rock, which sometimes contains diamonds and is mostly found in South Africa and Siberia.

Oil Shale is a fine-grained sedimentary rock from which oil is extracted

History

Origin

Kimberley, South Africa

Discoverer

John W. Judd

Unknown

Etymology

From Kimberley +‎ -ite, from the name of the South African town of Kimberley where the rock was first found.

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

Class

Igneous Rocks

Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Soft Rock

Family

Group

Volcanic

Other Categories

Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Porphyritic

Splintery

Color

Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey

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

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Dull and Banded

Muddy

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

As Building Stone, Paving Stone, Garden Decoration

Other Architectural Uses

Curbing

Industry

Construction Industry

As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Cement Manufacture, Construction Aggregate, for Road Aggregate, Serves as an Oil and Gas Reservoir rock

Medical Industry

Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts

Other Uses

Commercial Uses

An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)

An Oil and Gas Reservoir

Types

Basaltic Kimberlites and Micaceous Kimberlites

Carbonate-rich Shale, Siliceous Shale and Cannel Shale

Features

Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny

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

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Present

Formation

Kimberlite is an igneous rock and is the main source of diamonds. Its formation takes place deep beneath the Earth’s surface between 150 to 450 kilometres, and are erupted rapidly and violently.

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.

Composition

Mineral Content

Garnet, Olivine, Phlogopite, Pyroxene

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

Compound Content

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide

Ca, Fe, Mg, Silicon Dioxide, Sodium

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Sea Erosion, Water Erosion

Properties

Physical Properties

Hardness

6-72-3

1 7

👆🏻

Grain Size

Fine to Coarse Grained

Very fine-grained

Fracture

Conchoidal

Streak

White

Porosity

Very Less Porous

Highly Porous

Luster

Subvitreous to Dull

Dull

Compressive Strength

260.00 N/mm²-

0.15 450

👆🏻

Cleavage

Conchoidal

Slaty

Toughness

2.6

Specific Gravity

2.86-2.872.2-2.8

0 8.4

👆🏻

Transparency

Translucent to Opaque

Opaque

Density

2.95-2.96 g/cm³2.4-2.8 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.39 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia

Russia

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

Africa

Angola, Botswana, Cameroon, Ethiopia, South Africa

Ethiopia, Kenya, Morocco, South Africa, Tanzania

Europe

England, Hungary, Iceland, United Kingdom

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

Others

Antarctica

Greenland

Deposits in Western Continents

North America

Canada, USA

South America

Argentina, Colombia, Ecuador

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

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, South Australia, Western Australia

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

Kimberlite vs Oil 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 Kimberlite and Oil shale Reserves. Kimberlite is a rare, blue-tinged, coarse-grained intrusive igneous rock, which sometimes contains diamonds and is mostly found in South Africa and Siberia.. Oil Shale is a fine-grained sedimentary rock from which oil is extracted. 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 Kimberlite vs Oil shale information and Kimberlite vs Oil shale characteristics in the upcoming sections.

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Kimberlite vs Oil 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. Kimberlite vs Oil shale characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Kimberlite and Properties of Oil shale. Learn more about Kimberlite vs Oil shale in the next section. The interior uses of Kimberlite include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Oil shale include . Due to some exceptional properties of Kimberlite and Oil shale, they have various applications in construction industry. The uses of Kimberlite in construction industry include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories and that of Oil shale include Cement manufacture, Construction aggregate, For road aggregate, Serves as an oil and gas reservoir rock.

More about Kimberlite and Oil shale

Here you can know more about Kimberlite and Oil shale. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Kimberlite and Oil shale consists of mineral content and compound content. The mineral content of Kimberlite includes Garnet, Olivine, Phlogopite, Pyroxene and mineral content of Oil 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 Igneous Rocks. When we have to compare Kimberlite vs Oil shale, the texture, color and appearance plays an important role in determining the type of rock. Kimberlite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas, Oil shale is available in black, brown, buff, green, grey, red, yellow colors. Appearance of Kimberlite is Dull and Banded and that of Oil shale is Muddy. Properties of rock is another aspect for Kimberlite vs Oil shale. The hardness of Kimberlite is 6-7 and that of Oil shale is 2-3. The types of Kimberlite are Basaltic Kimberlites and Micaceous Kimberlites whereas types of Oil shale are Carbonate-rich Shale, Siliceous Shale and Cannel Shale. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Kimberlite and Oil shale is white. The specific heat capacity of Kimberlite is 0.92 kJ/Kg K and that of Oil 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.Kimberlite is heat resistant, impact resistant whereas Oil shale is heat resistant, impact resistant.