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Granodiorite
Granodiorite

Anorthosite
Anorthosite



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Granodiorite
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Anorthosite

Granodiorite vs Anorthosite

Definition

Definition

Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase

History

Origin

-
-

Discoverer

Unknown
Unknown

Etymology

From granite + diorite
From French anorthose plagioclase + -ite1

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

Plutonic
Plutonic

Other Categories

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

Texture

Texture

Granular, Phaneritic
Foliated, Glassy

Color

Black, Grey, Orange, Pink, White
Black, Bluish - Grey, Brown, Green, Grey, Light Greenish Grey, Pink, White

Maintenance

More
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined or Pebbled
Layered, Banded, Veined and Shiny

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

-
Curbing

Industry

Construction Industry

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

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture
Artifacts, Sculpture, Small Figurines

Other Uses

Commercial Uses

Curling, Gemstone, Laboratory bench tops, Tombstones
Creating Artwork, Curling

Types

Types

Granodiorite
Proterozoic Anorthosite and Archean Anorthosite

Features

Available in Lots of Colors and Patterns
Generally rough to touch, Is one of the oldest rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Granodiorite is an intrusive igneous rock which is very hard, crystalline and is visibly homogeneous in texture and forms by melting of continental rocks.
Anorthosite is a phaneritic, intrusive igneous rock which is characterized by a predominance of plagioclase feldspar which is almost 90–100%, and a minimal mafic component.

Composition

Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Chemical Weathering
Biological Weathering

Erosion

Types of Erosion

Chemical Erosion, Glacier Erosion, Wind Erosion
Chemical Erosion, Wind Erosion

Properties

Physical Properties

Hardness

65-6
1 7
👆🏻

Grain Size

Medium to Coarse Grained
Coarse Grained

Fracture

-
Irregular

Streak

White
White

Porosity

Less Porous
Less Porous

Luster

Grainy, Pearly and Vitreous
Pearly to Subvitreous

Compressive Strength

175.00 N/mm2180.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

2.6-2.72.62-2.82
0 8.4
👆🏻

Transparency

Opaque
Translucent

Density

2.6-2.8 g/cm32.7-4 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

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

Africa

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

Europe

Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic

Others

-
-

Deposits in Western Continents

North America

Canada, USA
Canada

South America

-
Bolivia, Colombia

Deposits in Oceania Continent

Australia

-
Central Australia, South Australia, Western Australia

Granodiorite vs Anorthosite 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 Granodiorite and Anorthosite Reserves. Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. 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 Granodiorite vs Anorthosite information and Granodiorite vs Anorthosite characteristics in the upcoming sections.

Granodiorite vs Anorthosite 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. Granodiorite vs Anorthosite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Granodiorite and Properties of Anorthosite. Learn more about Granodiorite vs Anorthosite in the next section. The interior uses of Granodiorite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Flooring, Homes, Hotels, Interior decoration and Stair treads whereas the interior uses of Anorthosite include Decorative aggregates, Floor tiles, Homes and Interior decoration. Due to some exceptional properties of Granodiorite and Anorthosite, they have various applications in construction industry. The uses of Granodiorite in construction industry include As dimension stone and that of Anorthosite include As dimension stone, Cement manufacture, For road aggregate.

More about Granodiorite and Anorthosite

Here you can know more about Granodiorite and Anorthosite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Granodiorite and Anorthosite consists of mineral content and compound content. The mineral content of Granodiorite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz and mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Granodiorite vs Anorthosite, the texture, color and appearance plays an important role in determining the type of rock. Granodiorite is available in black, grey, orange, pink, white colors whereas, Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors. Appearance of Granodiorite is Veined or Pebbled and that of Anorthosite is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Granodiorite vs Anorthosite. The hardness of Granodiorite is 6 and that of Anorthosite is 5-6. The types of Granodiorite are Granodiorite whereas types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Granodiorite and Anorthosite is white. The specific heat capacity of Granodiorite is 0.79 kJ/Kg K and that of Anorthosite 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.Granodiorite is heat resistant, wear resistant whereas Anorthosite is heat resistant, impact resistant, pressure resistant, scratch resistant, wear resistant.