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Gossan vs Shonkinite


Shonkinite vs Gossan


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
Not Applicable   
Not Applicable   

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
Yes   
No   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

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
Not Yet Used   
Not Yet Used   

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   
Not Available   

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
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Not Yet Used   
Used   

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
No   
Yes   

Types of Metamorphism
Not Applicable   
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism   

Weathering
No   
Yes   

Types of Weathering
Not Applicable   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Sea Erosion, Wind Erosion   
Chemical Erosion, Coastal Erosion, Sea Erosion, Water Erosion   

Properties

Physical Properties
  
  

Hardness
4-5   
5.5-6   

Grain Size
Fine to Medium Grained   
Medium to Fine Coarse Grained   

Fracture
Conchoidal   
Not Available   

Streak
White to Grey   
White   

Porosity
Highly Porous   
Less Porous   

Luster
Metallic   
Subvitreous to Dull   

Compressive Strength
Not Available   
150.00 N/mm2   
14

Cleavage
Not Available   
Perfect   

Toughness
Not Available   
Not Available   

Specific Gravity
2.0   
2.6-2.7   

Transparency
Opaque   
Opaque   

Density
Not Available   
2.6-2.8 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.24 kJ/Kg K   
24
0.92 kJ/Kg K   
10

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
Not Yet Found   
Not Yet Found   

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   

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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.

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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 Not Available. 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.

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