Dolomite

Trondhjemite

Dolomite vs Trondhjemite

Dolomite

Trondhjemite

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1 Definition

1.1 Definition

Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight

Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.

1.2 History

1.2.1 Origin

Southern Alps, France

Tonale, Italy

1.2.2 Discoverer

Dolomieu

Unknown

1.3 Etymology

From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock

Not Available

1.4 Class

Sedimentary Rocks

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

1.5 Family

1.5.1 Group

Not Applicable

Plutonic

1.6 Other Categories

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

2 Texture

2.1 Texture

Earthy

Phaneritic

2.2 Color

Black, Brown, Colourless, Green, Grey, Pink, White

Black, Brown, Light to Dark Grey, White

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

Glassy or Pearly

Banded and Foilated

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Homes, Interior Decoration

Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration

3.1.2 Exterior Uses

Garden Decoration, Office Buildings

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

3.1.3 Other Architectural Uses

Not Yet Used

Curbing

3.2 Industry

3.2.1 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, Production of Glass and Ceramics, Serves as an Oil and Gas Reservoir rock

As Dimension Stone, Cement Manufacture, Cobblestones, Construction Aggregate, for Road Aggregate

3.2.2 Medical Industry

Taken as a Supplement for Calcium or Magnesium

Not Yet Used

3.3 Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture, Small Figurines

Artifacts, Monuments, Sculpture, Small Figurines

3.4 Other Uses

3.4.1 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)

Cemetery Markers, Creating Artwork

4 Types

4.1 Types

Boninite and Jasperoid

Not Available

4.2 Features

Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits

Is one of the oldest rock, Typically speckled black and white.

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

4.3.4 Famous Sculptures

Data Not Available

4.3.5 Pictographs

Used

Not Used

4.3.6 Petroglyphs

Used

Not Used

4.3.7 Figurines

Used

4.4 Fossils

Present

Absent

5 Formation

5.1 Formation

Dolomite rocks are originally deposited as calcite or aragonite rich limestone, but during diagenesis process, the calcite or aragonite is transformed into dolomite.

When alkali feldspar is extracted from granite, it changes to granitoid and later, it becomes trondhjemite with quartz as major mineral.

5.2 Composition

5.2.1 Mineral Content

Clay Minerals, Pyrite, Quartz, Sulfides

Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon

5.2.2 Compound Content

NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO

NaCl, CaO, MgO, Silicon Dioxide

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

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

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Not Applicable

Biological Weathering, Chemical Weathering, Mechanical Weathering

5.3.5 Erosion

✔ ✘

5.3.6 Types of Erosion

Not Applicable

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

6 Properties

6.1 Physical Properties

6.1.1 Hardness

3.5-46-7

1 7

6.1.2 Grain Size

Medium to Fine Coarse Grained

6.1.3 Fracture

Conchoidal

6.1.4 Streak

White

Bluish Black

6.1.5 Porosity

Less Porous

Very Less Porous

6.1.6 Luster

Vitreous and Pearly

Subvitreous to Dull

6.1.7 Compressive Strength

140.00 N/mm²NA

0.15 450

6.1.8 Cleavage

Perfect

Not Available

6.1.9 Toughness

2.1

6.1.10 Specific Gravity

2.8-32.86-3

0 8.4

6.1.11 Transparency

Transparent to Translucent

Opaque

6.1.12 Density

2.8-2.9 g/cm³2.73 g/cm³

0 1400

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

6.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

China, India

Not Yet Found

7.1.2 Africa

Morocco, Namibia

Egypt

7.1.3 Europe

Austria, Italy, Romania, Spain, Switzerland

Finland, Germany, Italy, Romania, Sweden, Turkey

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Mexico, USA

USA

7.2.2 South America

Brazil, Colombia

Argentina, Bolivia, Chile, Colombia, Ecuador, Peru

7.3 Deposits in Oceania Continent

7.3.1 Australia

New South Wales, Queensland, Yorke Peninsula

New Zealand, South Australia, Western Australia

Dolomite vs Trondhjemite 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 Dolomite and Trondhjemite Reserves. Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight. Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. 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 Dolomite vs Trondhjemite information and Dolomite vs Trondhjemite characteristics in the upcoming sections.

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Dolomite vs Trondhjemite 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. Dolomite vs Trondhjemite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Dolomite and Properties of Trondhjemite. Learn more about Dolomite vs Trondhjemite in the next section. The interior uses of Dolomite include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Trondhjemite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Dolomite and Trondhjemite, they have various applications in construction industry. The uses of Dolomite 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, Production of glass and ceramics, Serves as an oil and gas reservoir rock and that of Trondhjemite include As dimension stone, Cement manufacture, Cobblestones, Construction aggregate, For road aggregate.

More about Dolomite and Trondhjemite

Here you can know more about Dolomite and Trondhjemite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Dolomite and Trondhjemite consists of mineral content and compound content. The mineral content of Dolomite includes Clay Minerals, Pyrite, Quartz, Sulfides and mineral content of Trondhjemite includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon. You can also check out the list of all Sedimentary Rocks. When we have to compare Dolomite vs Trondhjemite, the texture, color and appearance plays an important role in determining the type of rock. Dolomite is available in black, brown, colourless, green, grey, pink, white colors whereas, Trondhjemite is available in black, brown, light to dark grey, white colors. Appearance of Dolomite is Glassy or Pearly and that of Trondhjemite is Banded and Foilated. Properties of rock is another aspect for Dolomite vs Trondhjemite. The hardness of Dolomite is 3.5-4 and that of Trondhjemite is 6-7. The types of Dolomite are Boninite and Jasperoid whereas types of Trondhjemite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dolomite is white while that of Trondhjemite is bluish black. The specific heat capacity of Dolomite is 0.92 kJ/Kg K and that of Trondhjemite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Dolomite is heat resistant, pressure resistant, wear resistant whereas Trondhjemite is heat resistant, pressure resistant, wear resistant.