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Gossan
Gossan

Charnockite
Charnockite



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Gossan
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Charnockite

Gossan vs Charnockite

Definition

Definition

Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar

History

Origin

Indonesia
Tamil Nadu, India

Discoverer

Cornish Gossen
T. H. Holland

Etymology

From Cornish gossen from gos, blood from Old Cornish guit
From Job Charnock, an administtrator of East India Company

Class

Metamorphic Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

-
Plutonic

Other Categories

Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Texture

Texture

Rough, Sandy
Granular

Color

Brown, Brown- Black, Gold, Green, Rust
Black, Grey, Orange, Pink, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Banded
Veined or Pebbled

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Interior Decoration
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads

Exterior Uses

As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
As Building Stone, As Facing Stone, Bridges, Paving Stone, Garden Decoration, Office Buildings, Resorts

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate
As Dimension Stone

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Gemstone
Curling, Gemstone, Laboratory bench tops, Tombstones

Types

Types

Translocated gossan and Leakage gossan
Enderbite

Features

Clasts are smooth to touch, Easily splits into thin plates
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest 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.
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.

Composition

Mineral Content

Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz

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

Types of Metamorphism

-
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

-
Biological Weathering

Erosion

Types of Erosion

Chemical Erosion, Sea Erosion, Wind Erosion
Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

4-56-7
1 7
👆🏻

Grain Size

Fine to Medium Grained
Coarse Grained

Fracture

Conchoidal
-

Streak

White to Grey
White

Porosity

Highly Porous
Very Less Porous

Luster

Metallic
-

Compressive Strength

-190.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

2.0-9999
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

-9999 g/cm32.6 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.24 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

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

Africa

Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique

Europe

Albania, France, Germany, Great Britain, United Kingdom
Albania, Romania, Scotland, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada, USA
USA

South America

Brazil, Colombia, Ecuador
Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New South Wales, South Australia, Western Australia
Central Australia, Western Australia

Gossan vs Charnockite 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 Charnockite Reserves. Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. 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 Charnockite information and Gossan vs Charnockite characteristics in the upcoming sections.

Gossan vs Charnockite 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 Charnockite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gossan and Properties of Charnockite. Learn more about Gossan vs Charnockite in the next section. The interior uses of Gossan include Countertops, Decorative aggregates and Interior decoration whereas the interior uses of Charnockite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Homes, Hotels, Kitchens and Stair treads. Due to some exceptional properties of Gossan and Charnockite, 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 Charnockite include As dimension stone.

More about Gossan and Charnockite

Here you can know more about Gossan and Charnockite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gossan and Charnockite 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 Charnockite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Gossan vs Charnockite, 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, Charnockite is available in black, grey, orange, pink, white colors. Appearance of Gossan is Dull and Banded and that of Charnockite is Veined or Pebbled. Properties of rock is another aspect for Gossan vs Charnockite. The hardness of Gossan is 4-5 and that of Charnockite is 6-7. The types of Gossan are Translocated gossan and Leakage gossan whereas types of Charnockite are Enderbite. 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 Charnockite is white. The specific heat capacity of Gossan is 0.24 kJ/Kg K and that of Charnockite 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 Charnockite is heat resistant, wear resistant.