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Trachyandesite vs Gossan


Gossan vs Trachyandesite


Definition

Definition
Trachyandesite is an extrusive igneous rock.  
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.  

History
  
  

Origin
Indonesia  
Indonesia  

Discoverer
Unknown  
Cornish Gossen  

Etymology
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite  
From Cornish gossen from gos, blood from Old Cornish guit  

Class
Igneous Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
Volcanic  
-  

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

Texture

Texture
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular  
Rough, Sandy  

Color
Black, Brown, Light to Dark Grey  
Brown, Brown- Black, Gold, Green, Rust  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Dull and Soft  
Dull and Banded  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
Building houses or walls, Cobblestones, for Road Aggregate, Rail Track Ballast, Roadstone  
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Sculpture  
Artifacts  

Other Uses
  
  

Commercial Uses
Creating Artwork, Pottery  
Cemetery Markers, Commemorative Tablets, Gemstone  

Types

Types
Basaltic Trachyandesite  
Translocated gossan and Leakage gossan  

Features
Has High structural resistance against erosion and climate, Very fine grained rock  
Clasts are smooth to touch, Easily splits into thin plates  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Trachyandesite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.  
Earth movements can cause rocks to be either deeply buried or squeezed and hence the rocks are heated and put under great pressure.   

Composition
  
  

Mineral Content
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase  
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon  

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

Transformation
  
  

Metamorphism
Yes  
No  

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

Weathering
Yes  
No  

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering  
-  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
4-5  
4-5  

Grain Size
Fine Grained  
Fine to Medium Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
Light to dark brown  
White to Grey  

Porosity
Less Porous  
Highly Porous  

Luster
Earthy  
Metallic  

Compressive Strength
37.40 N/mm2  
99+
-  

Cleavage
Perfect  
-  

Toughness
2.3  
-  

Specific Gravity
2.8-3  
2.0  

Transparency
Opaque  
Opaque  

Density
2.9-3.1 g/cm3  
-9999 g/cm3  

Thermal Properties
  
  

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

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

Reserves

Deposits in Eastern Continents
  
  

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

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

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

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, USA  

South America
Brazil  
Brazil, Colombia, Ecuador  

Deposits in Oceania Continent
  
  

Australia
-  
New South Wales, South Australia, Western Australia  

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Trachyandesite vs Gossan 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 Trachyandesite and Gossan Reserves. Trachyandesite is an extrusive igneous rock.. Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. 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 Trachyandesite vs Gossan information and Trachyandesite vs Gossan characteristics in the upcoming sections.

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

More about Trachyandesite and Gossan

Here you can know more about Trachyandesite and Gossan. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Trachyandesite and Gossan consists of mineral content and compound content. The mineral content of Trachyandesite includes Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase and mineral content of Gossan includes Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Trachyandesite vs Gossan, the texture, color and appearance plays an important role in determining the type of rock. Trachyandesite is available in black, brown, light to dark grey colors whereas, Gossan is available in brown, brown- black, gold, green, rust colors. Appearance of Trachyandesite is Dull and Soft and that of Gossan is Dull and Banded. Properties of rock is another aspect for Trachyandesite vs Gossan. Hardness of Trachyandesite and Gossan is 4-5. The types of Trachyandesite are Basaltic Trachyandesite whereas types of Gossan are Translocated gossan and Leakage gossan. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Trachyandesite is light to dark brown while that of Gossan is white to grey. The specific heat capacity of Trachyandesite is 0.84 kJ/Kg K and that of Gossan is 0.24 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Trachyandesite is heat resistant, pressure resistant, wear resistant whereas Gossan is heat resistant, impact resistant, pressure resistant.

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