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Norite
Norite

Shonkinite
Shonkinite



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Norite vs Shonkinite

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Definition

Definition

Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents

History

Origin

Norway
USA

Discoverer

Unknown
Unknown

Etymology

From the Norwegian name for Norway, Norge
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock

Family

Group

Plutonic
-

Other Categories

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

Texture

Texture

Phaneritic
Earthy

Color

Dark Grey to Black
Brown, Buff, Cream, Green, Grey, Pink, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined and Shiny
Banded and Foilated

Uses

Architecture

Interior Uses

Decorative Aggregates, Entryways, Interior Decoration
Decorative Aggregates, Flooring, Homes, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone, Paving Stone, Garden Decoration
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone

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, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones
Cemetery Markers, Creating Artwork

Types

Types

Ultramafic intrusive rock
Igneous rock

Features

Smooth to touch
Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Norite 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.
Shonkinites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.

Composition

Mineral Content

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

Compound Content

Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion
Chemical Erosion, Coastal Erosion, Sea Erosion, Water Erosion

Properties

Physical Properties

Hardness

75.5-6
1 7
👆🏻

Grain Size

Coarse Grained
Medium to Fine Coarse Grained

Fracture

Conchoidal
-

Streak

Black
White

Porosity

Highly Porous
Less Porous

Luster

-
Subvitreous to Dull

Compressive Strength

225.00 N/mm2150.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Perfect

Toughness

1.6
-

Specific Gravity

2.86-2.872.6-2.7
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.7-3.3 g/cm32.6-2.8 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.52 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

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

Africa

South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Germany, Greece, Italy, Scotland, Turkey
Bulgaria, England, Germany, Norway, Romania, Switzerland

Others

Greenland
-

Deposits in Western Continents

North America

Canada, USA
USA

South America

Brazil, Colombia, Venezuela
Brazil, Chile

Deposits in Oceania Continent

Australia

New Zealand, Queensland
New Zealand, Queensland, South Australia, Western Australia

Norite vs Shonkinite 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 Norite and Shonkinite Reserves. Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. 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 Norite vs Shonkinite information and Norite vs Shonkinite characteristics in the upcoming sections.

Norite vs Shonkinite 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. Norite vs Shonkinite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Norite and Properties of Shonkinite. Learn more about Norite vs Shonkinite in the next section. The interior uses of Norite include Decorative aggregates, Entryways and Interior decoration whereas the interior uses of Shonkinite include Decorative aggregates, Flooring, Homes and Interior decoration. Due to some exceptional properties of Norite and Shonkinite, they have various applications in construction industry. The uses of Norite in construction industry include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate and that of Shonkinite include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Landscaping, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Norite and Shonkinite

Here you can know more about Norite and Shonkinite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Norite and Shonkinite consists of mineral content and compound content. The mineral content of Norite includes Augite, Olivine, Plagioclase, Pyroxene and mineral content of Shonkinite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Norite vs Shonkinite, the texture, color and appearance plays an important role in determining the type of rock. Norite is available in dark grey to black colors whereas, Shonkinite is available in brown, buff, cream, green, grey, pink, white colors. Appearance of Norite is Veined and Shiny and that of Shonkinite is Banded and Foilated. Properties of rock is another aspect for Norite vs Shonkinite. The hardness of Norite is 7 and that of Shonkinite is 5.5-6. The types of Norite are Ultramafic intrusive rock whereas types of Shonkinite are Igneous rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Norite is black while that of Shonkinite is white. The specific heat capacity of Norite is 0.52 kJ/Kg K and that of Shonkinite 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.Norite is impact resistant, pressure resistant, wear resistant whereas Shonkinite is heat resistant, impact resistant, wear resistant.