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Gossan
Gossan

Shonkinite
Shonkinite



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Shonkinite

Gossan vs Shonkinite

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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.
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents

History

Origin

Indonesia
USA

Discoverer

Cornish Gossen
Unknown

Etymology

From Cornish gossen from gos, blood from Old Cornish guit
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US

Class

Metamorphic Rocks
Igneous 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
Brown, Buff, Cream, Green, Grey, Pink, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Banded
Banded and Foilated

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Gemstone
Cemetery Markers, Creating Artwork

Types

Types

Translocated gossan and Leakage gossan
Igneous rock

Features

Clasts are smooth to touch, Easily splits into thin plates
Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

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.
Shonkinites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.

Composition

Mineral Content

Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz

Compound Content

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

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

Properties

Physical Properties

Hardness

4-55.5-6
1 7
👆🏻

Grain Size

Fine to Medium Grained
Medium to Fine Coarse Grained

Fracture

Conchoidal
-

Streak

White to Grey
White

Porosity

Highly Porous
Less Porous

Luster

Metallic
Subvitreous to Dull

Compressive Strength

-150.00 N/mm2
0.15 450
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Cleavage

-
Perfect

Toughness

-
-

Specific Gravity

2.02.6-2.7
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

-9999 g/cm32.6-2.8 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, Impact Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Indonesia, Russia, Singapore, South Korea
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

Africa

Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Albania, France, Germany, Great Britain, United Kingdom
Bulgaria, England, Germany, Norway, Romania, Switzerland

Others

-
-

Deposits in Western Continents

North America

Canada, USA
USA

South America

Brazil, Colombia, Ecuador
Brazil, Chile

Deposits in Oceania Continent

Australia

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

Gossan vs Shonkinite 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 Shonkinite Reserves. Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. 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 Shonkinite information and Gossan vs Shonkinite characteristics in the upcoming sections.

Gossan vs Shonkinite 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 Shonkinite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gossan and Properties of Shonkinite. Learn more about Gossan vs Shonkinite in the next section. The interior uses of Gossan include Countertops, Decorative aggregates and Interior decoration whereas the interior uses of Shonkinite include Decorative aggregates, Flooring, Homes and Interior decoration. Due to some exceptional properties of Gossan and Shonkinite, 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 Shonkinite include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Landscaping, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Gossan and Shonkinite

Here you can know more about Gossan and Shonkinite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gossan and Shonkinite 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 Shonkinite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Gossan vs Shonkinite, 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, Shonkinite is available in brown, buff, cream, green, grey, pink, white colors. Appearance of Gossan is Dull and Banded and that of Shonkinite is Banded and Foilated. Properties of rock is another aspect for Gossan vs Shonkinite. The hardness of Gossan is 4-5 and that of Shonkinite is 5.5-6. The types of Gossan are Translocated gossan and Leakage gossan whereas types of Shonkinite are Igneous rock. 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 Shonkinite is white. The specific heat capacity of Gossan is 0.24 kJ/Kg K and that of Shonkinite 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 Shonkinite is heat resistant, impact resistant, wear resistant.