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Gossan vs Borolanite


Borolanite 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.  
Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix  

History
  
  

Origin
Indonesia  
Scotland  

Discoverer
Cornish Gossen  
Unknown  

Etymology
From Cornish gossen from gos, blood from Old Cornish guit  
From Alkalic Igneous complex near Loch Borralan in northwest Scotland  

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  
Fine Grained Rock, Opaque Rock  

Texture

Texture
Rough, Sandy  
Granular  

Color
Brown, Brown- Black, Gold, Green, Rust  
Brown, Buff, Cream, Green, Grey, Pink, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
No  
Yes  

Acid Resistant
No  
Yes  

Appearance
Dull and Banded  
Banded and Foilated  

Uses

Architecture
  
  

Interior Uses
Countertops, Decorative Aggregates, Interior Decoration  
Countertops, 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, Paving Stone, Garden Decoration, Office Buildings  

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, Production of Glass and Ceramics  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts  

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Gemstone  
Cemetery Markers  

Types

Types
Translocated gossan and Leakage gossan  
-  

Features
Clasts are smooth to touch, Easily splits into thin plates  
Application of acids on the surface causes cloudy frosting, Available in Lots of Colors and Patterns, Dissolves in hydrochloric acid, Is one of the oldest rock  

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.   
Borolanites 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  
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite  

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
-  
Regional Metamorphism  

Weathering
No  
Yes  

Types of Weathering
-  
Chemical Weathering, Mechanical Weathering  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
4-5  
5.5-6  

Grain Size
Fine to Medium Grained  
Fine Grained  

Fracture
Conchoidal  
Conchoidal to Uneven  

Streak
White to Grey  
White  

Porosity
Highly Porous  
Less Porous  

Luster
Metallic  
Greasy to Dull  

Compressive Strength
-  
150.00 N/mm2  
22

Cleavage
-  
-  

Toughness
-  
-  

Specific Gravity
2.0  
2.6  

Transparency
Opaque  
Translucent to Opaque  

Density
-9999 g/cm3  
2.6 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, Wear Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Indonesia, Russia, Singapore, South Korea  
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, 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  
Andorra, Finland, France, Great Britain, Italy, Norway, Portugal, Spain, Sweden  

Others
-  
Greenland  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, USA  

South America
Brazil, Colombia, Ecuador  
Brazil, Chile, Colombia, Uruguay, Venezuela  

Deposits in Oceania Continent
  
  

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

Definition >>
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Gossan vs Borolanite 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 Borolanite Reserves. Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. 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 Borolanite information and Gossan vs Borolanite characteristics in the upcoming sections.

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

More about Gossan and Borolanite

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

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