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Shonkinite and Enderbite


Enderbite and Shonkinite


Definition

Definition
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   
Enderbite rock is an igneous rock which belongs to the Charnockite rock series   

History
  
  

Origin
USA   
Enderby Land, Antarctica   

Discoverer
Unknown   
Unknown   

Etymology
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   
From its occurrence in Enderby Land, Antarctica   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture

Texture
Earthy   
Granular   

Color
Brown, Buff, Cream, Green, Grey, Pink, White   
Black, Grey, Orange, Pink, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
No   
Yes   

Appearance
Banded and Foilated   
Veined or Pebbled   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories   
As Dimension Stone   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts, Monuments, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
Cemetery Markers, Creating Artwork   
Curling, Gemstone, Laboratory bench tops, Tombstones   

Types

Types
Not Available   
Not Available   

Features
Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable   
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Shonkinites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.   
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.   

Composition
  
  

Mineral Content
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz   
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism   
Contact Metamorphism, Impact Metamorphism   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
5.5-6   
6-7   

Grain Size
Medium to Fine Coarse Grained   
Coarse Grained   

Fracture
Not Available   
Not Available   

Streak
White   
White   

Porosity
Less Porous   
Very Less Porous   

Luster
Subvitreous to Dull   
Not Available   

Compressive Strength
150.00 N/mm2   
14
Not Available   

Cleavage
Perfect   
Not Available   

Toughness
Not Available   
Not Available   

Specific Gravity
2.6-2.7   
Not Available   

Transparency
Opaque   
Opaque   

Density
2.6-2.8 g/cm3   
2.6 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K   
10
Not Available   

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam   
India   

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa   
Not Available   

Europe
Bulgaria, England, Germany, Norway, Romania, Switzerland   
Not Available   

Others
Not Yet Found   
Antarctica   

Deposits in Western Continents
  
  

North America
USA   
USA   

South America
Brazil, Chile   
Not Available   

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland, South Australia, Western Australia   
Not Available   

Summary >>
<< Reserves

All about Shonkinite and Enderbite Properties

Know all about Shonkinite and Enderbite properties here. All properties of rocks are important as they define the type of rock and its application. Shonkinite and Enderbite belong to Igneous Rocks.Texture of Shonkinite is Earthy whereas that of Enderbite is Granular. Shonkinite appears Banded and Foilated and Enderbite appears Veined or Pebbled. The luster of Shonkinite is subvitreous to dull while that of Enderbite is not available. Shonkinite is available in brown, buff, cream, green, grey, pink, white colors whereas Enderbite is available in black, grey, orange, pink, white colors. The commercial uses of Shonkinite are cemetery markers, creating artwork and that of Enderbite are curling, gemstone, laboratory bench tops, tombstones.

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