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Mudstone vs Gossan


Gossan vs Mudstone


Definition

Definition
Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations  
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.  

History
  
  

Origin
-  
Indonesia  

Discoverer
William Smith  
Cornish Gossen  

Etymology
From the English mud and stone, from low German mudde and stainaz  
From Cornish gossen from gos, blood from Old Cornish guit  

Class
Sedimentary Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
-  
-  

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

Texture

Texture
Clastic  
Rough, Sandy  

Color
Black, Blue, Brown, Green, Grey, Orange, Red, White, Yellow  
Brown, Brown- Black, Gold, Green, Rust  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
No  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Rough and Dull  
Dull and Banded  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Entryways, Floor Tiles, Interior Decoration  
Countertops, Decorative Aggregates, Interior Decoration  

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar  
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate  

Medical Industry
-  
-  

Antiquity Uses
Sculpture, Small Figurines  
Artifacts  

Other Uses
  
  

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

Types

Types
Marl, Shale and Argillite  
Translocated gossan and Leakage gossan  

Features
Available in Lots of Colors and Patterns, Smooth to touch, 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
Present  
Absent  

Formation

Formation
Mudstone forms when very fine-grained clay particles are deposited in water which settle at the bottom of water bodies. They are buried and compacted by overlying sediment hence forming mudstone.  
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
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz  
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon  

Compound Content
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide  
Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur  

Transformation
  
  

Metamorphism
No  
No  

Types of Metamorphism
-  
-  

Weathering
Yes  
No  

Types of Weathering
Chemical Weathering, Mechanical Weathering  
-  

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
2-3  
4-5  

Grain Size
Very fine-grained  
Fine to Medium Grained  

Fracture
-  
Conchoidal  

Streak
White  
White to Grey  

Porosity
Highly Porous  
Highly Porous  

Luster
Dull  
Metallic  

Compressive Strength
25.00 N/mm2  
99+
-  

Cleavage
Perfect  
-  

Toughness
2.6  
-  

Specific Gravity
2.2-2.8  
2.0  

Transparency
Opaque  
Opaque  

Density
2.4-2.8 g/cm3  
-9999 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.39 kJ/Kg K  
30
0.24 kJ/Kg K  
31

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

Reserves

Deposits in Eastern Continents
  
  

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

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

Europe
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland  
Albania, France, Germany, Great Britain, United Kingdom  

Others
-  
-  

Deposits in Western Continents
  
  

North America
USA  
Canada, USA  

South America
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela  
Brazil, Colombia, Ecuador  

Deposits in Oceania Continent
  
  

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

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Mudstone 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 Mudstone and Gossan Reserves. Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations. 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 Mudstone vs Gossan information and Mudstone vs Gossan characteristics in the upcoming sections.

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Mudstone 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. Mudstone vs Gossan characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Mudstone and Properties of Gossan. Learn more about Mudstone vs Gossan in the next section. The interior uses of Mudstone include Decorative aggregates, Entryways, Floor tiles and Interior decoration whereas the interior uses of Gossan include Countertops, Decorative aggregates and Interior decoration. Due to some exceptional properties of Mudstone and Gossan, they have various applications in construction industry. The uses of Mudstone in construction industry include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar and that of Gossan include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate.

More about Mudstone and Gossan

Here you can know more about Mudstone and Gossan. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Mudstone and Gossan consists of mineral content and compound content. The mineral content of Mudstone includes Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz 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 Sedimentary Rocks. When we have to compare Mudstone vs Gossan, the texture, color and appearance plays an important role in determining the type of rock. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas, Gossan is available in brown, brown- black, gold, green, rust colors. Appearance of Mudstone is Rough and Dull and that of Gossan is Dull and Banded. Properties of rock is another aspect for Mudstone vs Gossan. The hardness of Mudstone is 2-3 and that of Gossan is 4-5. The types of Mudstone are Marl, Shale and Argillite 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 Mudstone is white while that of Gossan is white to grey. The specific heat capacity of Mudstone is 0.39 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.Mudstone is heat resistant, impact resistant whereas Gossan is heat resistant, impact resistant, pressure resistant.

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