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Diabase vs Gossan


Gossan vs Diabase


Definition

Definition
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar  
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.  

History
  
  

Origin
Germany  
Indonesia  

Discoverer
Christian Leopold von Buch  
Cornish Gossen  

Etymology
From Greek di + base  
From Cornish gossen from gos, blood from Old Cornish guit  

Class
Igneous Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
Volcanic  
-  

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

Texture

Texture
Aphanitic, Granular  
Rough, Sandy  

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

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
Yes  

Wind Resistant
Yes  
No  

Acid Resistant
Yes  
No  

Appearance
Vesicular  
Dull and Banded  

Uses

Architecture
  
  

Interior Uses
Countertops, Decorative Aggregates, Homes, Interior Decoration, Kitchens  
Countertops, Decorative Aggregates, 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, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate  
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines  
Artifacts  

Other Uses
  
  

Commercial Uses
An Oil and Gas Reservoir, Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones  
Cemetery Markers, Commemorative Tablets, Gemstone  

Types

Types
Dolerite  
Translocated gossan and Leakage gossan  

Features
Smooth to touch  
Clasts are smooth to touch, Easily splits into thin plates  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
Stonehenge in English county of Wiltshire  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Diabase forms when molten igneous rock is squeezed up into a vertical crack in other rocks, the crack is usually forced apart and the molten rock cools in the space to form a tabular igneous intrusion cutting across the surrounding rocks and is known as a dike.  
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
Augite, Chlorite, Olivine, Plagioclase, Pyroxene, Pyrrhotite, Serpentine  
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon  

Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide  
Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur  

Transformation
  
  

Metamorphism
Yes  
No  

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

Weathering
Yes  
No  

Types of Weathering
Biological Weathering, Chemical Weathering  
-  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
7  
4-5  

Grain Size
Fine to Medium Grained  
Fine to Medium Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
Black  
White to Grey  

Porosity
Highly Porous  
Highly Porous  

Luster
-  
Metallic  

Compressive Strength
225.00 N/mm2  
8
-  

Cleavage
-  
-  

Toughness
1.6  
-  

Specific Gravity
2.86-2.87  
2.0  

Transparency
Opaque  
Opaque  

Density
2.7-3.3 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, Impact Resistant, Pressure Resistant, Wear Resistant  
Heat Resistant, Impact Resistant, Pressure Resistant  

Reserves

Deposits in Eastern Continents
  
  

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

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

Europe
Germany, Greece, Italy, Scotland, Turkey  
Albania, France, Germany, Great Britain, United Kingdom  

Others
Antarctica, Greenland  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, USA  

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

Deposits in Oceania Continent
  
  

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

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Diabase 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 Diabase and Gossan Reserves. Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar. 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 Diabase vs Gossan information and Diabase vs Gossan characteristics in the upcoming sections.

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

More about Diabase and Gossan

Here you can know more about Diabase and Gossan. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Diabase and Gossan consists of mineral content and compound content. The mineral content of Diabase includes Augite, Chlorite, Olivine, Plagioclase, Pyroxene, Pyrrhotite, Serpentine 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 Diabase vs Gossan, the texture, color and appearance plays an important role in determining the type of rock. Diabase is available in dark grey to black colors whereas, Gossan is available in brown, brown- black, gold, green, rust colors. Appearance of Diabase is Vesicular and that of Gossan is Dull and Banded. Properties of rock is another aspect for Diabase vs Gossan. The hardness of Diabase is 7 and that of Gossan is 4-5. The types of Diabase are Dolerite 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 Diabase is black while that of Gossan is white to grey. The specific heat capacity of Diabase 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.Diabase is heat resistant, impact resistant, pressure resistant, wear resistant whereas Gossan is heat resistant, impact resistant, pressure resistant.

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