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Gossan
Gossan

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Felsite



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Gossan vs Felsite

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1 Definition
1.1 Definition
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition
1.2 History
1.2.1 Origin
Indonesia
Unknown
1.2.2 Discoverer
Cornish Gossen
Unknown
1.3 Etymology
From Cornish gossen from gos, blood from Old Cornish guit
From English feldspar and -ite
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Volcanic
1.6 Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Rough, Sandy
Arborescent Patterned, Vitreous
2.2 Color
Brown, Brown- Black, Gold, Green, Rust
Black, Blue, Brown, Green, Orange, Red, Tan, Yellow
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Metamorphic Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
65% Metamorphic Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
42% Metamorphic Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
19% Metamorphic Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
15% Metamorphic Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
2.5 Appearance
Dull and Banded
Layered, Banded, Veined and Shiny
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Countertops, Decorative Aggregates, Interior Decoration
Decorative Aggregates, Flooring, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
Paving Stone, Garden Decoration
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points
3.2.2 Medical Industry
Not Yet Used
Surgery
3.3 Antiquity Uses
Artifacts
Artifacts
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers, Commemorative Tablets, Gemstone
Mirror, Jewelry
4 Types
4.1 Types
Translocated gossan and Leakage gossan
Not Available
4.2 Features
Clasts are smooth to touch, Easily splits into thin plates
Available in Lots of Colors and Patterns, Clasts are smooth to touch, Splintery, Very fine grained rock
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Not Yet Used
4.3.2 Famous Monuments
Not Applicable
Not Applicable
4.3.3 Sculpture
Not Yet Used
Not Yet Used
4.3.4 Famous Sculptures
Not Applicable
Not Applicable
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Used
4.3.7 Figurines
Not Yet Used
Not Yet Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
Earth movements can cause rocks to be either deeply buried or squeezed and hence the rocks are heated and put under great pressure.
Felsite 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.
5.2 Composition
5.2.1 Mineral Content
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon
Feldspar, Iron Oxides
5.2.2 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
5.3 Transformation
5.3.1 Metamorphism
50% Metamorphic Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
Burial Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism
5.3.3 Weathering
65% Metamorphic Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Not Applicable
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
77% Metamorphic Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Sea Erosion, Wind Erosion
Chemical Erosion, Glacier Erosion, Water Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
4-5
5-5.5
6.1.2 Grain Size
Fine to Medium Grained
Fine Grained
6.1.3 Fracture
Conchoidal
Conchoidal
6.1.4 Streak
White to Grey
White
6.1.5 Porosity
Highly Porous
Very Less Porous
6.1.6 Luster
Metallic
Vitreous
6.1.7 Compressive Strength
Flint
Not Available
Rank: N/A (Overall)
0.15 N/mm2
Rank: 33 (Overall)
Obsidian
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6.1.8 Cleavage
Not Available
Non-Existent
6.1.9 Toughness
Not Available
Not Available
6.1.10 Specific Gravity
2.0
2.6-2.7
6.1.11 Transparency
Opaque
Translucent
6.1.12 Density
Not Available
2.6 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
0.24 kJ/Kg K
Rank: 24 (Overall)
0.92 kJ/Kg K
Rank: 10 (Overall)
Granulite
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6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
Heat Resistant, Impact Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
China, India, Indonesia, Russia, Singapore, South Korea
Afghanistan, Indonesia, Japan, Russia
7.1.2 Africa
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Kenya
7.1.3 Europe
Albania, France, Germany, Great Britain, United Kingdom
Greece, Hungary, Iceland, Italy, Turkey
7.1.4 Others
Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, USA
Canada, Mexico, USA
7.2.2 South America
Brazil, Colombia, Ecuador
Argentina, Chile, Ecuador, Peru
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, South Australia, Western Australia
New Zealand

Gossan vs Felsite 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 Felsite Reserves. Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. 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 Felsite information and Gossan vs Felsite characteristics in the upcoming sections.

Gossan vs Felsite 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 Felsite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gossan and Properties of Felsite. Learn more about Gossan vs Felsite in the next section. The interior uses of Gossan include Countertops, Decorative aggregates and Interior decoration whereas the interior uses of Felsite include Decorative aggregates, Flooring and Interior decoration. Due to some exceptional properties of Gossan and Felsite, 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 Felsite include Arrowheads, Cutting tool, Knives, Scrapers, Spear points.

More about Gossan and Felsite

Here you can know more about Gossan and Felsite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gossan and Felsite 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 Felsite includes Feldspar, Iron Oxides. You can also check out the list of all Metamorphic Rocks. When we have to compare Gossan vs Felsite, 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, Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors. Appearance of Gossan is Dull and Banded and that of Felsite is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Gossan vs Felsite. The hardness of Gossan is 4-5 and that of Felsite is 5-5.5. The types of Gossan are Translocated gossan and Leakage gossan whereas types of Felsite are Not Available. 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 Felsite is white. The specific heat capacity of Gossan is 0.24 kJ/Kg K and that of Felsite is 0.92 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 Felsite is heat resistant, impact resistant.