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Anorthosite
Anorthosite

Metapelite
Metapelite



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Anorthosite
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Metapelite

Anorthosite vs Metapelite

Definition

Definition

Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
Metapelite is an old and currently not widely used field geological term for a clay rich fine-grained clastic sediment or sedimentary rock, i.e. mud or a mudstone

History

Origin

-
-

Discoverer

Unknown
Unknown

Etymology

From French anorthose plagioclase + -ite1
From Pelos or clay in Greek

Class

Igneous Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Medium Hardness 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

Foliated, Glassy
Foliated

Color

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

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Layered, Banded, Veined and Shiny
Banded

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
Decorative Aggregates, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

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

Medical Industry

-
-

Antiquity Uses

Artifacts, Sculpture, Small Figurines
Artifacts

Other Uses

Commercial Uses

Creating Artwork, Curling
Commemorative Tablets, Creating Artwork

Types

Types

Proterozoic Anorthosite and Archean Anorthosite
Metamorphic rock

Features

Generally rough to touch, Is one of the oldest rock
Easily splits into thin plates, 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

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.
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Metapelite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

Composition

Mineral Content

Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene
Albite, Chlorite, Quartz

Compound Content

Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide
Aluminium Oxide, CaO, MgO

Transformation

Metamorphism

Types of Metamorphism

Cataclastic Metamorphism, Contact Metamorphism
-

Weathering

Types of Weathering

Biological Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5-65-6
1 7
👆🏻

Grain Size

Coarse Grained
Medium to Fine Coarse Grained

Fracture

Irregular
Fibrous

Streak

White
-

Porosity

Less Porous
Highly Porous

Luster

Pearly to Subvitreous
Earthy

Compressive Strength

180.00 N/mm240.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

2.62-2.823.4-3.7
0 8.4
👆🏻

Transparency

Translucent
Opaque

Density

2.7-4 g/cm30-300 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.72 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

-
-

Africa

-
Western Africa

Europe

Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada
-

South America

Bolivia, Colombia
Brazil, Colombia, Ecuador

Deposits in Oceania Continent

Australia

Central Australia, South Australia, Western Australia
Central Australia, Western Australia

Anorthosite vs Metapelite 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 Anorthosite and Metapelite Reserves. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Metapelite is an old and currently not widely used field geological term for a clay rich fine-grained clastic sediment or sedimentary rock, i.e. mud or a mudstone. 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 Anorthosite vs Metapelite information and Anorthosite vs Metapelite characteristics in the upcoming sections.

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

More about Anorthosite and Metapelite

Here you can know more about Anorthosite and Metapelite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anorthosite and Metapelite consists of mineral content and compound content. The mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene and mineral content of Metapelite includes Albite, Chlorite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Anorthosite vs Metapelite, the texture, color and appearance plays an important role in determining the type of rock. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas, Metapelite is available in dark greenish - grey, green, light green, light greenish grey colors. Appearance of Anorthosite is Layered, Banded, Veined and Shiny and that of Metapelite is Banded. Properties of rock is another aspect for Anorthosite vs Metapelite. Hardness of Anorthosite and Metapelite is 5-6. The types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite whereas types of Metapelite are Metamorphic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anorthosite is white while that of Metapelite is . The specific heat capacity of Anorthosite is 0.84 kJ/Kg K and that of Metapelite is 0.72 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Anorthosite is heat resistant, impact resistant, pressure resistant, scratch resistant, wear resistant whereas Metapelite is heat resistant, impact resistant, pressure resistant.