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Gossan vs Appinite


Appinite 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.  
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished  

History
  
  

Origin
Indonesia  
-  

Discoverer
Cornish Gossen  
Unknown  

Etymology
From Cornish gossen from gos, blood from Old Cornish guit  
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple  

Class
Metamorphic Rocks  
Igneous Rocks  

Sub-Class
Durable Rock, Medium Hardness Rock  
Durable Rock, Medium Hardness Rock  

Family
  
  

Group
-  
Plutonic  

Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock  
Coarse Grained Rock, Fine Grained Rock, Opaque Rock  

Texture

Texture
Rough, Sandy  
Porphyritic  

Color
Brown, Brown- Black, Gold, Green, Rust  
Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
Yes  

Appearance
Dull and Banded  
Dull, Banded and Foilated  

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  
Paving Stone, Garden Decoration, Office Buildings  

Other Architectural Uses
Curbing  
Whetstones  

Industry
  
  

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

Medical Industry
-  
Taken as a Supplement for Calcium or Magnesium  

Antiquity Uses
Artifacts  
Artifacts, 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  

Types

Types
Translocated gossan and Leakage gossan  
Igneous rock  

Features
Clasts are smooth to touch, Easily splits into thin plates  
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny  

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.   
The formation of Appinite takes place deep beneath the Earth’s surface at around 150 to 450 kms, and are erupted rapidly and violently.  

Composition
  
  

Mineral Content
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon  
Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene  

Compound Content
Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur  
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide  

Transformation
  
  

Metamorphism
No  
Yes  

Types of Metamorphism
-  
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Regional Metamorphism  

Weathering
No  
Yes  

Types of Weathering
-  
Chemical Weathering, Mechanical Weathering  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
4-5  
5-6  

Grain Size
Fine to Medium Grained  
Fine to Coarse Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
White to Grey  
White  

Porosity
Highly Porous  
Very Less Porous  

Luster
Metallic  
Subvitreous to Dull  

Compressive Strength
-  
185.00 N/mm2  
17

Cleavage
-  
Conchoidal  

Toughness
-  
-  

Specific Gravity
2.0  
2.86-2.87  

Transparency
Opaque  
Translucent to Opaque  

Density
-9999 g/cm3  
2.95-2.96 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.24 kJ/Kg K  
31
0.84 kJ/Kg K  
15

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant  
Heat Resistant, Impact Resistant  

Reserves

Deposits in Eastern Continents
  
  

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

Africa
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa  
Angola, Botswana, Cameroon, Ethiopia, South Africa  

Europe
Albania, France, Germany, Great Britain, United Kingdom  
England, Hungary, Iceland, United Kingdom  

Others
-  
Antarctica, Greenland  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, Mexico, USA  

South America
Brazil, Colombia, Ecuador  
Argentina, Colombia, Ecuador  

Deposits in Oceania Continent
  
  

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

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Gossan vs Appinite 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 Appinite Reserves. Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. 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 Appinite information and Gossan vs Appinite characteristics in the upcoming sections.

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

More about Gossan and Appinite

Here you can know more about Gossan and Appinite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gossan and Appinite 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 Appinite includes Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene. You can also check out the list of all Metamorphic Rocks. When we have to compare Gossan vs Appinite, 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, Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. Appearance of Gossan is Dull and Banded and that of Appinite is Dull, Banded and Foilated. Properties of rock is another aspect for Gossan vs Appinite. The hardness of Gossan is 4-5 and that of Appinite is 5-6. The types of Gossan are Translocated gossan and Leakage gossan whereas types of Appinite 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 Appinite is white. The specific heat capacity of Gossan is 0.24 kJ/Kg K and that of Appinite is 0.84 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 Appinite is heat resistant, impact resistant.

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