Dunite

Laterite

Dunite vs Laterite

Dunite

Laterite

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1 Definition

1.1 Definition

Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine

Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas

1.2 History

1.2.1 Origin

New Zealand

India

1.2.2 Discoverer

Ferdinand von Hochstetter

Francis Buchanan-Hamilton

1.3 Etymology

From the name of Dun Mountain, New Zealand, + -ite1

From Latin later brick, tile + -ite1

1.4 Class

Igneous Rocks

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Soft Rock

1.5 Family

1.5.1 Group

Plutonic

Not Applicable

1.6 Other Categories

Coarse Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Phaneritic

Earthy, Massive, Porphyritic

2.2 Color

Dark Greenish - Grey

Brown, Buff, Red

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

2.4.2 Scratch Resistant

✔ ✘

2.4.3 Stain Resistant

✔ ✘

2.4.4 Wind Resistant

✔ ✘

2.4.5 Acid Resistant

✔ ✘

2.5 Appearance

Rough and Shiny

Rough and Banded

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Interior Decoration

Decorative Aggregates, Flooring, Interior Decoration

3.1.2 Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration, Paving Stone

As Building Stone, As Facing Stone, Garden Decoration

3.1.3 Other Architectural Uses

Curbing

3.2 Industry

3.2.1 Construction Industry

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar

Cobblestones, for Road Aggregate, Landscaping, Roadstone

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts, Monuments, Sculpture

3.4 Other Uses

3.4.1 Commercial Uses

Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds

An Oil and Gas Reservoir, Source of bauxite, Used in aquariums

4 Types

4.1 Types

Not Available

4.2 Features

Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock

Is one of the oldest rock, Very fine grained rock

4.3 Archaeological Significance

4.3.1 Monuments

Used

4.3.2 Famous Monuments

Data Not Available

4.3.3 Sculpture

Used

4.3.4 Famous Sculptures

Data Not Available

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Used

4.4 Fossils

Absent

Present

5 Formation

5.1 Formation

Dunite is a plutonic ultramafic igneous rock consisting almost m olivine. It can be formed in two ways.

Laterite is a type of sedimentary rock which is generally a reddish weathering product of basalt.

5.2 Composition

5.2.1 Mineral Content

Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene

Aluminum Oxides, Biotite, Hematite, Hornblade, Iron Oxides, Manganese Oxides, Micas, Muscovite or Illite, Plagioclase, Pyroxene

5.2.2 Compound Content

Ca, CaO, Fe, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide

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

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

Not Applicable

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Biological Weathering, Chemical Weathering

5.3.5 Erosion

✔ ✘

5.3.6 Types of Erosion

Coastal Erosion, Glacier Erosion, Water Erosion

Chemical Erosion, Water Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

3.5-42

1 7

6.1.2 Grain Size

Coarse Grained

Fine Grained

6.1.3 Fracture

Irregular

Conchoidal

6.1.4 Streak

White

6.1.5 Porosity

Less Porous

Highly Porous

6.1.6 Luster

Shiny

Dull

6.1.7 Compressive Strength

107.55 N/mm²NA

0.15 450

6.1.8 Cleavage

Imperfect

Not Applicable

6.1.9 Toughness

2.1

Not Available

6.1.10 Specific Gravity

3-3.01Not Available

0 8.4

6.1.11 Transparency

Translucent to Opaque

Opaque

6.1.12 Density

2.84-2.85 g/cm³Not Available

0 1400

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

1.25 kJ/Kg KNA

0.14 3.2

6.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey

India

7.1.2 Africa

Morocco, South Africa

East Africa, Western Africa

7.1.3 Europe

Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela

England, Romania, Scotland

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Canada, USA

7.2.2 South America

Argentina, Brazil, Colombia, Ecuador, Venezuela

Not Yet Found

7.3 Deposits in Oceania Continent

7.3.1 Australia

New Zealand, Western Australia

Central Australia, Western Australia

Dunite vs Laterite 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 Dunite and Laterite Reserves. Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas. 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 Dunite vs Laterite information and Dunite vs Laterite characteristics in the upcoming sections.

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Dunite vs Laterite 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. Dunite vs Laterite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Dunite and Properties of Laterite. Learn more about Dunite vs Laterite in the next section. The interior uses of Dunite include Decorative aggregates and Interior decoration whereas the interior uses of Laterite include Decorative aggregates, Flooring and Interior decoration. Due to some exceptional properties of Dunite and Laterite, they have various applications in construction industry. The uses of Dunite in construction industry include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar and that of Laterite include Cobblestones, For road aggregate, Landscaping, Roadstone.

More about Dunite and Laterite

Here you can know more about Dunite and Laterite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Dunite and Laterite consists of mineral content and compound content. The mineral content of Dunite includes Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene and mineral content of Laterite includes Aluminum Oxides, Biotite, Hematite, Hornblade, Iron Oxides, Manganese Oxides, Micas, Muscovite or Illite, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Dunite vs Laterite, the texture, color and appearance plays an important role in determining the type of rock. Dunite is available in dark greenish - grey colors whereas, Laterite is available in brown, buff, red colors. Appearance of Dunite is Rough and Shiny and that of Laterite is Rough and Banded. Properties of rock is another aspect for Dunite vs Laterite. The hardness of Dunite is 3.5-4 and that of Laterite is 2. The types of Dunite are Not Available whereas types of Laterite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dunite and Laterite is white. The specific heat capacity of Dunite is 1.25 kJ/Kg K and that of Laterite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Dunite is heat resistant, pressure resistant, wear resistant whereas Laterite is heat resistant, pressure resistant.