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Gossan
Gossan

Dolomite
Dolomite



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Dolomite

Gossan vs Dolomite

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Definition

Definition

Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight

History

Origin

Indonesia
Southern Alps, France

Discoverer

Cornish Gossen
Dolomieu

Etymology

From Cornish gossen from gos, blood from Old Cornish guit
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock

Class

Metamorphic Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Rough, Sandy
Earthy

Color

Brown, Brown- Black, Gold, Green, Rust
Black, Brown, Green, Grey, Pink, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Banded
Glassy or Pearly

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Interior Decoration
Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing
-

Industry

Construction Industry

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

Medical Industry

-
Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Artifacts
Artifacts, Jewellery, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

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

Types

Types

Translocated gossan and Leakage gossan
Boninite and Jasperoid

Features

Clasts are smooth to touch, Easily splits into thin plates
Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Present

Formation

Formation

Earth movements can cause rocks to be either deeply buried or squeezed and hence the rocks are heated and put under great pressure.
Dolomite rocks are originally deposited as calcite or aragonite rich limestone, but during diagenesis process, the calcite or aragonite is transformed into dolomite.

Composition

Mineral Content

Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon
Clay Minerals, Pyrite, Quartz, Sulfides

Compound Content

Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur
NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

Weathering

Types of Weathering

-
-

Erosion

Types of Erosion

Chemical Erosion, Sea Erosion, Wind Erosion
-

Properties

Physical Properties

Hardness

4-53.5-4
1 7
👆🏻

Grain Size

Fine to Medium Grained
Medium to Fine Coarse Grained

Fracture

Conchoidal
Conchoidal

Streak

White to Grey
White

Porosity

Highly Porous
Less Porous

Luster

Metallic
Vitreous and Pearly

Compressive Strength

-140.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Perfect

Toughness

-
1

Specific Gravity

2.02.8-3
0 8.4
👆🏻

Transparency

Opaque
Transparent to Translucent

Density

-9999 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.24 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Indonesia, Russia, Singapore, South Korea
China, India

Africa

Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Morocco, Namibia

Europe

Albania, France, Germany, Great Britain, United Kingdom
Austria, Italy, Romania, Spain, Switzerland

Others

-
-

Deposits in Western Continents

North America

Canada, USA
Mexico, USA

South America

Brazil, Colombia, Ecuador
Brazil, Colombia

Deposits in Oceania Continent

Australia

New South Wales, South Australia, Western Australia
New South Wales, Queensland, Yorke Peninsula

Gossan vs Dolomite 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 Gossan and Dolomite Reserves. Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight. 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 Gossan vs Dolomite information and Gossan vs Dolomite characteristics in the upcoming sections.

Gossan vs Dolomite 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. Gossan vs Dolomite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gossan and Properties of Dolomite. Learn more about Gossan vs Dolomite in the next section. The interior uses of Gossan include Countertops, Decorative aggregates and Interior decoration whereas the interior uses of Dolomite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Gossan and Dolomite, they have various applications in construction industry. The uses of Gossan in construction industry include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate and that of Dolomite 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.

More about Gossan and Dolomite

Here you can know more about Gossan and Dolomite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gossan and Dolomite consists of mineral content and compound content. The mineral content of Gossan includes Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon and mineral content of Dolomite includes Clay Minerals, Pyrite, Quartz, Sulfides. You can also check out the list of all Metamorphic Rocks. When we have to compare Gossan vs Dolomite, the texture, color and appearance plays an important role in determining the type of rock. Gossan is available in brown, brown- black, gold, green, rust colors whereas, Dolomite is available in black, brown, green, grey, pink, white colors. Appearance of Gossan is Dull and Banded and that of Dolomite is Glassy or Pearly. Properties of rock is another aspect for Gossan vs Dolomite. The hardness of Gossan is 4-5 and that of Dolomite is 3.5-4. The types of Gossan are Translocated gossan and Leakage gossan whereas types of Dolomite are Boninite and Jasperoid. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Gossan is white to grey while that of Dolomite is white. The specific heat capacity of Gossan is 0.24 kJ/Kg K and that of Dolomite 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.Gossan is heat resistant, impact resistant, pressure resistant whereas Dolomite is heat resistant, pressure resistant, wear resistant.